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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the cardiac output, the amount of blood that flows from the heart each minute, and the cardiac index, a hemodynamic parameter that relates the cardiac output...
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A cardiac function curve is a graph showing the relationship between right atrial pressure (x-axis) and cardiac output (y-axis).[citation needed] Superimposition...
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The cardiac index (CI) is a hemodynamic measure that represents the cardiac output (CO) of an individual divided by their body surface area (BSA), expressed...
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High-output heart failure is a heart condition that occurs when the cardiac output is higher than normal because of increased peripheral demand. There...
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Heart failure (redirect from Cardiac failure)
cardiac output with high systemic vascular resistance or high cardiac output with low vascular resistance (low-output heart failure vs. high-output heart...
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Cardiac glycosides are a class of organic compounds that increase the output force of the heart and decrease its rate of contractions by inhibiting the...
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blood stretches cardiac muscle, leading to an increase in the force of contraction. The Frank-Starling mechanism allows the cardiac output to be synchronized...
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changes in the volume of each pulse). Blood pressure is influenced by cardiac output, systemic vascular resistance, blood volume and arterial stiffness,...
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Hemodynamics (section Cardiac output)
port. Cardiac output is mathematically expressed by the following equation: C O = S V × H R {\displaystyle CO=SV\times HR} where CO = cardiac output (L/sec)...
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bloodstream and to guide treatment. Other helpful measurements include cardiac output and superior vena cava oxygen saturation. People with sepsis need preventive...
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of blood flow back to the heart. It normally limits cardiac output. Superposition of the cardiac function curve and venous return curve is used in one...
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without lowering cardiac output demands, amlodipine increases the cardiac output response concomitantly with increased functional cardiac load. Amlodipine...
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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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decrease in cardiac input and output. A further decrease of cardiac input and output is typical in phase III of the progression of cardiac tamponade. This...
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physiologically relevant hemodynamic parameters such as stroke volume, cardiac output, ejection fraction, myocardial contractility, etc. can be determined...
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structure; the electrical conduction system of the heart; the cardiac cycle and cardiac output and how these interact and depend on one another. The heart...
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cardiodynamic parameters, such as stroke volume (SV), heart rate (HR), cardiac output (CO), ventricular ejection time (VET), and pre-ejection period; it then...
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calculated by taking the cardiac output (measured in liters per minute) and dividing it by the heart rate (to give output per cardiac cycle) and then dividing...
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[citation needed] Aortic stenosis hinders circulation by obstructing the cardiac output.[citation needed] Hypertrophic sub-aortic stenosis is overly thick ventricular...
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Blunt trauma (section Blunt cardiac trauma)
as hypoxia, ventilation-perfusion mismatch, hypovolemia, and reduced cardiac output due to the way the thoracic organs may have been affected. Blunt thoracic...
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Vasodilation acts to increase cardiac output by decreasing afterload, −one of the four determinants of cardiac output. By expanding available area for...
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values are obtained during exertion at a maximal effort. Here Q is the cardiac output of the heart, CaO2 is the arterial oxygen content, and CvO2 is the venous...
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Diving reflex (section Bradycardia and cardiac output)
cardiac output remain higher than normal during immersion. The increased respiratory and cardiac workload causes increased blood flow to the cardiac and...
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contraction force (by the Frank–Starling law of the heart) and thus a rise in cardiac output. In heart failure, this mechanism fails, as the ventricle is loaded...
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predict volume-responsiveness (i.e. whether more fluid will improve cardiac output). However, there is increasing evidence that CVP, whether as an absolute...
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(1829–1901), the Fick principle has been applied to the measurement of cardiac output. Its underlying principles may also be applied in a variety of clinical...
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quantium Medical Cardiac Output (qCO) uses impedance cardiography in a simple, continuous, and non-invasive way to estimate the cardiac output (CO) and other...
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cause, however the common theme is that of a high cardiac output with a low or normal afterload. The output may be high due to the inefficiency in valve disease...
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