Academic literature on the topic 'Cardiac stress test'

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Journal articles on the topic "Cardiac stress test"

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Ahmed, Abuosa, AlRahimi Jamilah, and Almouaalamy Nabil. "Does Cardiac Exercise Stress Testing Still Exist?" Journal of Clinical Cases & Reports 1, no. 3 (2018): 116–21. http://dx.doi.org/10.46619/joccr.2018.1-1024.

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Exercise Treadmill Testing to identify CAD is now a widely available and relatively low-cost examination that has been used for more than 60 years. The use of the ETT has expanded to include testing for functional capacity, chronotropic incompetence, assess the effects of therapy and also useful for risk stratification of patients with known CAD. The test sensitivity ranges from 61% to 73%, as reported by various analysts, and Specificity ranges from 59% to 81%, depending on the study or article referenced. Due to the various criteria set for the exercise stress test interpretation and reporti
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Reisenhofer, Barbara. "Cardiac Rupture during Dobutamine Stress Test." Annals of Internal Medicine 128, no. 7 (1998): 605. http://dx.doi.org/10.7326/0003-4819-128-7-199804010-00032.

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Valente, Anne Marie, Deepak L. Bhatt, and Abbi Lane-Cordova. "Pregnancy as a Cardiac Stress Test." Journal of the American College of Cardiology 76, no. 1 (2020): 68–71. http://dx.doi.org/10.1016/j.jacc.2020.05.017.

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Annor, Ama K., Stephen A. May, Alexis M. Fenton, and Wilson W. Lam. "Recurrent Cardiac Arrest With Negative Stress Test." JACC: Case Reports 2, no. 8 (2020): 1178–81. http://dx.doi.org/10.1016/j.jaccas.2020.05.075.

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Weinstein, Adam S., Martin I. Sigurdsson, and Angela M. Bader. "Comparison of Preoperative Assessment of Patient’s Metabolic Equivalents (METs) Estimated from History versus Measured by Exercise Cardiac Stress Testing." Anesthesiology Research and Practice 2018 (September 3, 2018): 1–5. http://dx.doi.org/10.1155/2018/5912726.

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Background. Preoperative anesthetic evaluations of patients before surgery traditionally involves assessment of a patient’s functional capacity to estimate perioperative risk of cardiovascular complications and need for further workup. This is typically done by inquiring about the patient’s physical activity, with the goal of providing an estimate of the metabolic equivalents (METs) that the patient can perform without signs of myocardial ischemia or cardiac failure. We sought to compare estimates of patients’ METs between preoperative assessment by medical history with quantified assessment o
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Di Tante, Valentina, Mario Romano, Gianfranco Gensini, Alfredo Guerrisi, and Giorgio Galanti. "Non-invasive Assessment of Cardiac Output during Stress Test." Medicine & Science in Sports & Exercise 36, Supplement (2004): S27. http://dx.doi.org/10.1249/00005768-200405001-00126.

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Orlandini, Andr[eacute] Domingo Oscar, Enrique Isaac Tuero, Rafael Isaac Diaz, Oscar Alberto Gomez Vilamaj[oacute], and Ernesto Andr[eacute]s Paolasso. "Acute Cardiac Rupture During Dobutamine-Atropine Echocardiography Stress Test." Journal of the American Society of Echocardiography 13, no. 2 (2000): 0152–53. http://dx.doi.org/10.1067/mje.2000.102697.

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Di Tante, Valentina, Mario Romano, Gianfranco Gensini, Alfredo Guerrisi, and Giorgio Galanti. "Non-invasive Assessment of Cardiac Output during Stress Test." Medicine & Science in Sports & Exercise 36, Supplement (2004): S27. http://dx.doi.org/10.1097/00005768-200405001-00126.

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Orlandini, André Domingo Oscar, Enrique Isaac Tuero, Rafael Diaz, Oscar Alberto Gomez Vilamajó, and Ernesto Andrés Paolasso. "Acute Cardiac Rupture During Dobutamine-Atropine Echocardiography Stress Test." Journal of the American Society of Echocardiography 13, no. 2 (2000): 152–53. http://dx.doi.org/10.1016/s0894-7317(00)90028-2.

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Sandersen, Charlotte, Kathleen McEntee, Stefan Deleuze, Johanne Detilleux, and Hélène Amory. "Cardiac Power Output during Dobutamine Stress Test in Horses." Journal of Equine Veterinary Science 29, no. 4 (2009): 219–22. http://dx.doi.org/10.1016/j.jevs.2009.02.005.

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Dissertations / Theses on the topic "Cardiac stress test"

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Salameh, Ahlam. "Graded Exercise Stress Testing: Treadmill Protocols Comparison Of Peak Exercise Times In Cardiac Patients." Akron, OH : University of Akron, 2009. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=akron1249833172.

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Thesis (M.S.)--University of Akron, Dept. of Sport Science and Wellness Education-Physical Education, 2009.<br>"August, 2009." Title from electronic thesis title page (viewed 10/7/2009) Advisor, Ronald Otterstetter; Committee members, James Rosneck, Laura Richardson; Department Chair, Victor Pinheiro; Dean of the College, Mark D. Shermis; Dean of the Graduate School, George R. Newkome. Includes bibliographical references.
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Baylor, Krissa A. "The Effects of Spouse Presence During Graded Exercise Testing on Psychological and Physiological Parameters in Cardiac Patients and Healthy Adults." Thesis, North Texas State University, 1987. https://digital.library.unt.edu/ark:/67531/metadc330947/.

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The direct effect of spouse presence during graded exercise testing on anxiety and performance has not been previously delineated. Therefore, the purposes of this study were to (a) ascertain if spouse presence during graded exercise testing affects state anxiety or physiological performance variables, and (b) determine differences in psychological status between cardiac patients and healthy adults.
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Hagnäs, M. (Magnus). "The association of cardiorespiratory fitness, physical activity and ischemic ECG findings with coronary heart disease-related deaths among men." Doctoral thesis, Oulun yliopisto, 2018. http://urn.fi/urn:isbn:9789526217550.

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Abstract Despite advances in treatment of cardiovascular diseases, coronary heart disease (CHD) remains the most common cause of death in the Western countries; and its first manifestation is often sudden cardiac death (SCD). The development of CHD is a lifelong process, the pace of which is governed by the burden of several risk factors. The purpose of this study was to investigate the association of levels of cardiorespiratory fitness (CRF), exercise-induced myocardial ischemia and physical activity with the risk of CHD-related death, including SCD events among men with different risk factor
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Araújo, Filho Amaro Afrânio de. "Impacto do uso da ventilação mecânica não invasiva profilática na funcionalidade de pacientes no pós-operatório cardíaco: um ensaio clínico." Pós-Graduação em Ciências da Saúde, 2017. https://ri.ufs.br/handle/riufs/6665.

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Introduction: During cardiac surgery several factors contribute to the development of pulmonary complications and the installation of postoperative comorbidities. Non-invasive Ventilation (NIV) is being used as promising therapeutic instrument to improve the functionality in this cases. Objective: To evaluate the functional capacity of patients in the postoperative period of myocardial revascularization and heart valve replacement submitted to non-invasive prophylactic ventilation. Method: Randomized controlled clinical trial developed in four groups of patients submitted to two cardiac surger
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Silva, Cristiane Rocha da. "Comparação dos valores de recuperação da frequência cardíaca e do índice cronotrópico após teste de Bruce em esteira em mulheres idosas obesas com alta e baixa força muscular." Universidade Católica de Brasília, 2018. https://bdtd.ucb.br:8443/jspui/handle/tede/2426.

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Submitted by Sara Ribeiro (sara.ribeiro@ucb.br) on 2018-07-09T19:24:27Z No. of bitstreams: 1 CristianeRochadaSilvaDissertacao2018.pdf: 5301288 bytes, checksum: d93f6864fe5fb158fcddd3b560878637 (MD5)<br>Approved for entry into archive by Sara Ribeiro (sara.ribeiro@ucb.br) on 2018-07-09T19:24:49Z (GMT) No. of bitstreams: 1 CristianeRochadaSilvaDissertacao2018.pdf: 5301288 bytes, checksum: d93f6864fe5fb158fcddd3b560878637 (MD5)<br>Made available in DSpace on 2018-07-09T19:24:49Z (GMT). No. of bitstreams: 1 CristianeRochadaSilvaDissertacao2018.pdf: 5301288 bytes, checksum: d93f6864fe5fb158fcddd3b5
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Zamunér, Antonio Roberto. "Avaliação cardiorrespiratória e efeitos da hidroterapia em mulheres com síndrome fibromiálgica." Universidade Federal de São Carlos, 2015. https://repositorio.ufscar.br/handle/ufscar/5184.

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Made available in DSpace on 2016-06-02T20:18:24Z (GMT). No. of bitstreams: 1 6628.pdf: 2096489 bytes, checksum: 10c86cad94537d1f0aa91db0ca9d0335 (MD5) Previous issue date: 2015-02-27<br>Financiadora de Estudos e Projetos<br>Fibromyalgia syndrome (FMS) is a non-inflammatory chronic pain syndrome characterized by diffuse musculoskeletal pain. Advances have been made in underlying its etiology and pathophysiology and some evidence has suggested that autonomic dysfunction plays an important role in FMS. Thus, the present thesis consisted of three studies in order to elucidate unknown aspects reg
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Cruz, Felipe Mendes da. "Avaliação dos efeitos sinérgicos sobre os trabalhadores expostos a fatores de risco físico em simultâneo." Doctoral thesis, 2018. http://hdl.handle.net/1822/58970.

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Tese de Doutoramento em Engenharia Industrial e de Sistemas (PDEIS)<br>Atualmente, é possível definir a saúde como o bem-estar físico, mental e social, em que o ser humano goza o grau máximo de saúde em determinado tempo e lugar. No entanto, para o ambiente de trabalho ser considerado salubre ele deve respeitar os limites de tolerância previstos pelas legislações e diretivas internacionais. No geral, a literatura evidencia que dois riscos ocupacionais combinados, podem produzir respostas orgânicas diferentes de quando considerados de forma isolada. À princípio, os mesmos teriam o potencia
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Books on the topic "Cardiac stress test"

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Cardiac stress testing & imaging: A clinician's guide. Churchill Livingstone, 1996.

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Sicari, Rosa, and Raluca Dulgheru. Stress echocardiography: introduction and pathophysiology. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780198726012.003.0011.

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Stress echocardiography is the combination of two-dimensional echocardiography with a physical, pharmacological, or electrical stress. The diagnostic end point for the detection of myocardial ischaemia is the induction of a transient worsening in left ventricular regional function during stress. Among different stress modalities of comparable diagnostic and prognostic accuracy available, semisupine exercise is the most frequently used; dobutamine-the best test for viability assessment; dipyridamole-the safest and simplest pharmacological stress test; and the most suitable for combined wall mot
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Thomas, Gregory S., L. Samuel Wann, and Myrvin H. Ellestad, eds. Ellestad's Stress Testing. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190225483.001.0001.

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The 6th edition of the textbook Ellestad’s Stress Testing: Principles and Practice was written for the new and veteran clinician alike performing stress testing. Thoroughly updated, referenced and interspersed with case examples, the book reviews how to get the most out exercise testing, without and with ancillary imaging. In addition to evaluation of ST segment depression, other powerful tools to detect ischemia and forecast the future are reviewed to increase the diagnostic accuracy and prognostic ability of exercise testing. The recognition and significance of exercise induced arrhythmias a
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Pierard, Luc A., and Lauro Cortigiani. Stress echocardiography: diagnostic and prognostic values and specific clinical subsets. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780198726012.003.0015.

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Stress echocardiography is a widely used method for assessing coronary artery disease, due to its high diagnostic and prognostic value. While inducible ischaemia predicts an unfavourable outcome, its absence is associated with a low risk of future cardiac events. The method provides superior diagnostic and prognostic information than standard exercise electrocardiography and perfusion myocardial imaging in specific clinical subsets, such as women, hypertensive patients, and patients with left bundle branch block. Stress echocardiography allows effective risk assessment also in the diabetic pop
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Schwartz, Peter J., and Lia Crotti. Monogenic and oligogenic cardiovascular diseases: genetics of arrhythmias—catecholaminergic polymorphic ventricular tachycardia. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198784906.003.0152.

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Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a rare inherited disorder associated with syncope and sudden death manifesting in the young during sympathetic activation. The electrocardiogram is normal and the heart is structurally normal. The diagnosis is usually made with an exercise stress test that shows a typical pattern of onset and offset of adrenergically induced ventricular arrhythmias. Molecular screening of RyR2, the major CPVT gene, is recommended whenever the suspicion of CPVT is high. If a disease-causing mutation is identified, cascade screening allows pre-sympt
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Andrade, Maria João, and Albert Varga. Stress echocardiography: methodology. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780198726012.003.0012.

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Stress echocardiography is the combination of echocardiography with a physical, pharmacological, or electrical stress. Good quality images are absolutely necessary and a quad-screen format should be applied for comparative analysis. Different stress echo protocols can be used in different pathologies. Exercise echocardiography has the advantages of its wide availability, low cost, and versatility for the assessment of various cardiac conditions. The most usual pathologies are suspected or known ischaemic heart disease, mitral and aortic valve diseases, hypertrophic cardiomyopathy, and pulmonar
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Einstein, Andrew J. Radiation Considerations. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199392094.003.0034.

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Radiation considerations are an integral part of the practice of nuclear cardiac imaging. Concern regarding radiation has increased in recent years, reflected in statements by many professional societies, and likely attributable both to rapid growth in use of nuclear cardiology as well as high doses received by some nuclear cardiology patients. The fundamental principles of medical radiological protection are justification (ensuring that the right test is performed for the right patient at the right time), optimization (ensuring that the test is performed in the right manner), and dose limitat
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Chest Pain: Education for Patients and the Public. Exon Publications, 2025. https://doi.org/10.36255/chest-pain.

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Chest pain is a common symptom that can range from mild discomfort to a sign of a serious medical emergency. This article provides a comprehensive guide to understanding chest pain, its causes, symptoms, diagnosis, treatment, and management. It explains how chest pain can originate from the heart, lungs, digestive system, muscles, or nerves, making it essential to recognize when the pain is harmless and when it requires urgent medical attention. The article highlights common causes such as heart disease, acid reflux, lung conditions, and muscle strain, detailing their symptoms and risk factors
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Kelion, Andrew, Parthiban Arumugam, and Nikant Sabharwal. Nuclear Cardiology (Oxford Specialist Handbooks in Cardiology). Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780198759942.001.0001.

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Readable, practical, and concise, the Oxford Specialist Handbook in Nuclear Cardiology is a self-contained guide to this cardiac imaging subspecialty. Including both technical and clinical aspects, it provides a foundation of essential knowledge common to practitioners from any background.This title covers radiation physics, biology and protection, and addresses all areas of imaging including the design and operation of the gamma camera (including solid-state cameras), single photon emission computed tomography (SPECT) acquisition and processing, and image interpretation and writing of reports
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Book chapters on the topic "Cardiac stress test"

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Baraković, Sabina, Jasmina Baraković Husić, and Fahir Baraković. "Determination of Probabilistic Neural Network’s Accuracy in Context of Cardiac Stress Test." In IFMBE Proceedings. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-4166-2_37.

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Nevo, Erez, Meir Marmor, and Alon Marmor. "The Arterial Response to an Exercise Stress Test in Healthy Subjects, Hypertensives, and Patients with Left-Ventricular Dysfunction." In Cardiac-Vascular Remodeling and Functional Interaction. Springer Japan, 1997. http://dx.doi.org/10.1007/978-4-431-67041-4_17.

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"Cardiac Stress Test." In Encyclopedia of Behavioral Medicine. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4419-1005-9_100239.

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"Cardiac Stress Test." In Encyclopedia of Behavioral Medicine. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-39903-0_300248.

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Allison, Thomas G. "Stress Test Selection." In Mayo Clinic Cardiology, 5th ed., edited by Joseph G. Murphy, Nandan S. Anavekar, Barry A. Boilson, Margaret A. Lloyd, Rekha Mankad, and Raymond C. Shields. Oxford University PressNew York, 2024. https://doi.org/10.1093/med/9780197599532.003.0015.

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Abstract Cardiac stress testing is an integral part of clinical cardiology. This chapter addresses stress testing from the standpoint of making a diagnosis or establishing a prognosis for a patient with suspected or known coronary artery disease. Assessment of patients with complex cardiovascular disease, including chronic heart failure, various forms of cardiomyopathy, valvular heart disease, congenital heart disease, pulmonary hypertension, and heart transplant, is best performed by cardiopulmonary exercise testing, discussed elsewhere. Exercise testing generally without cardiac imaging may
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Adams, James R. "Combining Coronary Artery Calcium Scanning and Treadmill Exercise in the Assessment of Coronary Artery Disease." In Ellestad's Stress Testing, edited by Gregory S. Thomas, L. Samuel Wann, and Myrvin H. Ellestad. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190225483.003.0019.

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Coronary calcium scoring (CAC) by noncontrast computed tomography is a powerful predictor of coronary artery disease (CAD) prognosis. Exercise testing is a powerful predictor of CAD severe enough to cause ischemia. Both tests predict CAD in a graded incremental fashion. The higher the CAC score, the greater than chance of a coronary event or all cause mortality. The greater the ST depression and the shorter the exercise duration of an exercise test, the greater the cardiac event rate. Both tests are inexpensive and provide incremental information. In 2013, Alan Rozanski and colleagues suggeste
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Thomas, Gregory S., Paul Kligfield, and Myrvin H. Ellestad. "History of Exercise Testing." In Ellestad's Stress Testing, edited by Gregory S. Thomas, L. Samuel Wann, and Myrvin H. Ellestad. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190225483.003.0001.

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The History of Exercise Testing chapter reviews the development of the exercise test from Einthoven to the contributions of Bruce and Ellestad. Feil and Siegel recognized that myocardial ischemia and thus coronary artery disease (CAD) could be diagnosed by ST depression during exercise. Master and Oppenheimer developed the first standardized exercise test, a 1.5-minute step test to evaluate cardiac capacity and cardiovascular disease. Goldhammer and Scherf recommended the use of exercise testing for the diagnosis of chest pain or angina. Wilson’s development of the six chest leads increased th
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Pellikka, Patricia A. "Stress Echocardiography." In Mayo Clinic Cardiology, 5th ed., edited by Joseph G. Murphy, Nandan S. Anavekar, Barry A. Boilson, Margaret A. Lloyd, Rekha Mankad, and Raymond C. Shields. Oxford University PressNew York, 2024. https://doi.org/10.1093/med/9780197599532.003.0007.

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Abstract Stress echocardiography is a well-validated, relatively inexpensive, and widely available means of detecting coronary artery disease and assessing prognosis. Newer techniques may permit increased accuracy and quantification of the extent and severity of ischemia. The test is highly versatile and additionally has applications to evaluation of valvular heart disease, diastolic dysfunction, and exertional cardiac symptoms.
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Hwang, Dr Nian Chih, and Dr Michael Sinclair. "Preoperative investigations." In Cardiac Anaesthesia. Oxford University PressNew York, NY, 1992. http://dx.doi.org/10.1093/oso/9780192628367.003.0005.

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Abstract The baseline ECG may show areas of new or old myocardial infarctions, abnormal rhythms, conduction defects, or evidence of ventricular hypertrophy, atrial dilatation, and electrolyte abnormalities. The exercise ECG was developed to identify the patient with coronary artery disease who presented with atypical chest pain or with a normal resting ECG and symptoms suggestive of coronary artery disease. It helps the cardiologist to identify patients at risk for myocardial infarction and to decide who should have coronary angiography. Exercise testing includes using the treadmill or bicycle
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Allam, Adel H. A., and Mohamed A. Mandour Ali. "Exercise Testing in a Limited Resource Environment." In Ellestad's Stress Testing, edited by Gregory S. Thomas, L. Samuel Wann, and Myrvin H. Ellestad. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190225483.003.0013.

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Using Egypt as an example, the chapter Stress Testing in a Limited Financial Resource Environment reviews how exercise testing can serve as the cornerstone of noninvasive evaluation of coronary artery disease (CAD) in developing countries. Its wide availability, low cost, and safety makes it the test of choice for patients at low to intermediate likelihood of CAD. Proper patient selection and skin preparation, simple and clear patient education, and reassurance as to the purpose of the test and the crucial importance of achieving a near maximal heart rate are necessary to obtain optimal sensit
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Conference papers on the topic "Cardiac stress test"

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Nahar, Jesmin, Tasadduq Imam, Kevin S. Tickle, and Debora Garcia-Alonso. "Medical knowledge based data mining for cardiac stress test diagnostics." In 2015 2nd Asia-Pacific World Congress on Computer Science and Engineering (APWC on CSE). IEEE, 2015. http://dx.doi.org/10.1109/apwccse.2015.7476126.

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D'addio, G., M. Romano, L. Maresca, et al. "Fractal behavior of heart rate variability during ECG stress test in cardiac patients." In 2014 8th Conference of the European Study Group on Cardiovascular Oscillations (ESGCO). IEEE, 2014. http://dx.doi.org/10.1109/esgco.2014.6847566.

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ROMERO, DANIEL, Nathalie Behar, Virginie Le Rolle, Philippe Mabo, and Alfredo Hernandez. "Assessment of the Dynamic Response of Cardiac Depolarization During Stress Test Recovery Evaluated in Patients with Brugada Syndrome." In 2016 Computing in Cardiology Conference. Computing in Cardiology, 2016. http://dx.doi.org/10.22489/cinc.2016.231-377.

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Anjani, Jasmine Virginia, Renae Stefanetti, Sarah Charman, et al. "148 Sex differences in the cardiac output response to stress (cors) test in suspected and confirmed heart failure patients." In British Cardiovascular Society Annual Conference, ‘Future-proofing Cardiology for the next 10 years’, 5–7 June 2023. BMJ Publishing Group Ltd and British Cardiovascular Society, 2023. http://dx.doi.org/10.1136/heartjnl-2023-bcs.148.

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Kim, Jungsil, and Seungik Baek. "Measurement of the Local Strain of the Porcine Thoracic Aorta During the Inflation Test." In ASME 2010 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2010. http://dx.doi.org/10.1115/sbc2010-19265.

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The aorta is the main artery and plays an important role in the blood circulatory system. Diseases of the aorta such as aortic aneurysm and aortic dissection have high mortality rates, hence the study of the mechanical properties of the aorta has been an active research area. In many previous studies, the aorta has been considered as a straight cylindrical tube undergoing uniform circumferential deformation and therefore uniform strain/stress distribution in the circumferential direction. However, recent biomedical imaging studies show that the aorta has circumferentially nonuniform deformatio
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Hunley, S. C., S. Kwon, and S. Baek. "Influence of Surrounding Tissues on Biomechanics of Aortic Wall: A Feasibility Study of Mechanical Homeostasis." In ASME 2010 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2010. http://dx.doi.org/10.1115/sbc2010-19264.

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Previous research in cardiovascular mechanics has shown that mechanical factors strongly influence the growth and remodeling of blood vessels, thereby leading the hypothesis of mechanical homeostasis as a mechanism of regulating vascular adaptation [1]. Nevertheless, this assumption is mostly based on stress analysis of an idealized blood vessel. However, for the aorta, its motion is considerably limited by the surrounding tissue during the cardiac cycle, with the thickness of the posterior side significantly thinner than the anterior side (Fig. 1). In this work, we test the possibility of the
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Jaroslav, Novák, and Milan Stork. "Indirectly determined maximal cardiac output in men and women with different physical activity." In Intelligent Human Systems Integration (IHSI 2024) Integrating People and Intelligent Systems. AHFE International, 2024. http://dx.doi.org/10.54941/ahfe1004484.

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Introduction: Maximal cardiac output (COmax) is one of the most important functional parameters related to cardiorespiratory capacity (VO2max) and physical fitness. In clinical medicine, low COmax values are a risk factor for imminent heart failure. Conversely, high COmax values are a prerequisite for achieving high performance in sports, especially in endurance disciplines. Methods: To determine the COmax, we used our own modification of the COmax calculation from the VO2max values obtained during the spiroergometric examination (Stork et al. - 1). Our work is based on the findings of Stringe
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Barannyk, Oleksandr, Satya Karri, and Peter Oshkai. "Experimental Investigation of Pulsatile Flow Through Prosthetic Heart Valves." In ASME 2013 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/pvp2013-97104.

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Qualitative and quantitative flow visualization study was conducted for the case of a biomimetic pulsatile flow through an artificial heart valve placed into an asymmetric model of an aortic root with sinuses of Valsalva. A prototype trileaflet valve was tested alongside with a tilted disk valve and a bileaflet valve. The study was conducted in test conditions corresponding to 70 beats/min, 5.5 l/min target cardiac output and a mean aortic pressure of 100 mmHg. Flow visualization data obtained using digital particle image velocimetry (PIV) was phase-averaged in order to provide accurate, time-
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Barannyk, Oleksandr, Satya Karri, and Peter Oshkai. "In Vitro Study of the Influence of the Aortic Root Geometry on Flow Characteristics of a Prosthetic Heart Valve." In ASME 2013 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/pvp2013-97105.

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In this paper, performance of aortic heart valve prosthesis in different geometries of the aortic root is investigated experimentally. The objective of this investigation is to establish a set of parameters, which are associated with abnormal flow patterns due to the flow through a prosthetic heart valve implanted to the patients that had certain types of valve diseases prior to the valve replacement. Specific valve diseases, classified into two clinical categories, were correlated with the corresponding changes of aortic root geometry. These categories correspond to aortic valve stenosis and
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Peelukhana, Srikara Viswanath, Kranthi K. Kolli, Hanan Kerr, et al. "Improved Assessment of Coronary Flow Impairment Using N-13 Ammonia Positron Emission Tomography." In ASME 2013 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/sbc2013-14351.

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Abstract:
Non-invasive diagnosis of coronary artery disease (CAD) is achieved using rest and stress myocardial perfusion imaging (MPI) techniques. Currently, the MPI technique that is a standard of care is the Single Photon Emission Computed Tomography (SPECT). However, comparatively accurate and reliable MPI diagnostic test known as Positron Emission Tomography (PET) is also available and gaining increasing popularity. In this study, a comparison is made between the impairments and left ventricular (LV) ejection fraction (EF) reported by SPECT and PET. In addition, using PET data, flow defects were qua
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