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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 is a circulatory overload which may lead to pulmonary edema secondary to an elevated diastolic pressure in the left ventricle .
Initially, the heart compensates for the decreased effective arterial blood volume that is the result of splanchnic vasodilation by increasing cardiac output, which results in high-output heart failure. [16] Eventually, the heart will no longer be able to maintain this increased cardiac output in the setting of prolonged splanchnic vasodilation ...
Untreated profound anemia can cause high-output heart failure, with pallor, enlarged liver and/or spleen, generalized swelling, and respiratory distress. [citation needed] HDN can be the cause of hydrops fetalis, an often-severe form of prenatal heart failure that causes fetal edema. [5]
High-output heart failure can occur when there is increased cardiac demand that results in increased left ventricular diastolic pressure which can develop into pulmonary congestion (pulmonary edema). [46] Several terms are closely related to heart failure and may be the cause of heart failure, but should not be confused with it.
Although HCM may be asymptomatic, affected individuals may present with symptoms ranging from mild to critical heart failure and sudden cardiac death at any point from early childhood to seniority. [ 15 ] [ 40 ] HCM is the leading cause of sudden cardiac death in young athletes in the United States, and the most common genetic cardiovascular ...
Heart rate and rhythm - loss of a normal atrial rhythm (e.g., atrial fibrillation causes loss of the A wave). The height of the E wave becomes dependent on the length of the cardiac cycle (variable) rather than a measure of diastolic function. Similarly, pacing and tachycardia result in alterations, whereas bradycardia increases the E/A ratio.
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