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Cardiac physiology information


Cardiac physiology or heart function is the study of healthy, unimpaired function of the heart: involving blood flow; myocardium structure; the electrical conduction system of the heart; the cardiac cycle and cardiac output and how these interact and depend on one another.

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Cardiac physiology

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Cardiac physiology or heart function is the study of healthy, unimpaired function of the heart: involving blood flow; myocardium structure; the electrical...

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Cardiac output

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In cardiac physiology, cardiac output (CO), also known as heart output and often denoted by the symbols Q {\displaystyle Q} , Q ˙ {\displaystyle {\dot...

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Cardiac cycle

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systole). Apex beat Cardiac action potential Cardiac output Pulse Pollock JD, Makaryus AN (3 October 2022). "Physiology: Cardiac cycle". StatPearls Publishing...

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Cardiovascular physiology

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separately, under the names cardiac physiology and circulatory physiology. Although the different aspects of cardiovascular physiology are closely interrelated...

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Wiggers diagram

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in teaching cardiac physiology for more than a century. In the Wiggers diagram, the X-axis is used to plot time subdivided into the cardiac phases, while...

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Cardiac muscle

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Cardiac muscle (also called heart muscle or myocardium) is one of three types of vertebrate muscle tissues, with the other two being skeletal muscle and...

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Cardiac action potential

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below) and is a fundamental step in cardiac excitation-contraction coupling. There are important physiological differences between the pacemaker cells...

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T wave

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depolarization and is negative current, signifying the relaxation of the cardiac muscle of the ventricles. But this negative flow causes a positive T wave;...

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Cardiac catheterization

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of cardiac catheterization and the resulting impact on pulmonary medicine". American Journal of Physiology. Lung Cellular and Molecular Physiology. 313...

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Isovolumetric contraction

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In cardiac physiology, isometric contraction is an event occurring in early systole during which the ventricles contract with no corresponding volume change...

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Cardiac arrest

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Cardiac arrest, also known as sudden cardiac arrest, is when the heart suddenly and unexpectedly stops beating. As a result, blood cannot properly circulate...

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Heart

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ventricle), the middle cardiac vein (draining the bottom of the left and right ventricles), and small cardiac veins. The anterior cardiac veins drain the front...

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Clinical physiology

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understanding physiological and pathophysiological pathways. Disciplines within clinical physiology field include audiologists, cardiac physiologists...

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Diving reflex

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l'Abbate A, Bedini R (2009). "Cardiac changes induced by immersion and breath-hold diving in humans". Journal of Applied Physiology. 106 (1): 293–7. doi:10...

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Cardiac tamponade

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Cardiac tamponade, also known as pericardial tamponade (/ˌtæm.pəˈneɪd/), is a compression of the heart due to pericardial effusion (the build-up of pericardial...

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Cardiac electrophysiology

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Cardiac electrophysiology is a branch of cardiology and basic science focusing on the electrical activities of the heart. The term is usually used in...

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Biomedical sciences

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Autonomic neurovascular function Cardiac physiology Clinical perfusion Critical care science Gastrointestinal physiology Neurophysiology Ophthalmic and...

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Exercise physiology

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Exercise physiology is the physiology of physical exercise. It is one of the allied health professions, and involves the study of the acute responses and...

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Cardiopulmonary resuscitation

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Response to Cardiac Arrest. Washington, DC: National Academies Press (US). Lurie KG, Nemergut EC, Yannopoulos D, Sweeney M (March 2016). "The Physiology of Cardiopulmonary...

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Circadian rhythm

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ME (June 2015). "Influence of the cardiomyocyte circadian clock on cardiac physiology and pathophysiology". Journal of Biological Rhythms. 30 (3): 183–205...

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Venous hum

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the hum itself is entirely harmless and is the product of ordinary cardiac physiology. Abnormal and potentially serious conditions such as thyrotoxicosis...

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Muscle contraction

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terms of motion calcium-induced calcium release Cardiac action potential Cramp Dystonia Exercise physiology Fasciculation Hill's muscle model Hypnic jerk...

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Myocarditis

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ECGs, are non-specific and reflect poorer cardiac physiology. Late gadolinium enhancement on cardiac MRI demonstrates perturbations in extracellular volume...

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Cardiac conduction system

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"Cardiac Muscle and Electrical Activity". OpenStax CNX: Anatomy & Physiology. OpenStax CNX. November 7, 2014. Retrieved January 2, 2015. "Cardiac Muscle...

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Artificial cardiac pacemaker

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An artificial cardiac pacemaker, commonly referred to as simply a pacemaker, is an implanted medical device that generates electrical pulses delivered...

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