Mitral stenosis is a condition restricting the flow of blood into the left ventricle during diastole. This restricts any elevation of cardiac output during physical exertion, or due to any other cause. Restriction of left ventricular filling during diastole may be so severe that a reduction of cardiac output also occurs during rest. However it is not the reduction of systemic cardiac output that causes most problems, but pulmonary congestion and oedema. This is because left heart output does not increase to the same degree in response to a given stimulus as does the right heart output, as right heart function is well maintained in patients with mitral stenosis .
KeywordsAtrial Fibrillation Cardiac Output Systemic Vascular Resistance Mitral Stenosis NYHA Class
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