Search results
Results from the WOW.Com Content Network
A ventricular outflow tract obstruction means there is a limitation in the blood flow out of either the right or left ventricles of the heart, depending on where the obstruction is. This can lead to cardiac hypertrophy , dilatation of the heart, and ultimately heart failure in some cases. [ 1 ]
The diagnosis of left ventricular outflow tract obstruction is usually made by echocardiographic assessment and is defined as a peak left ventricular outflow tract gradient of ≥ 30 mmHg. [37] Another, non-obstructive variant of HCM is apical hypertrophic cardiomyopathy (AHCM or ApHCM), [39] also called Yamaguchi syndrome.
Outflow tract obstruction leads to left ventricular hypertrophy and reduction in the left ventricular lumen. One example of this would be in the case of aortic stenosis. Aortic stenosis that occurs during fetal development results in added stress on the left ventricle in utero. This can eventually lead to decreased perfusion through the left ...
Chronic pressure overload leads to concentric hypertrophy of the cardiac muscle, which can in turn lead to heart failure, myocardial ischaemia or, in extreme cases, outflow obstruction. [ 1 ] Signs and symptoms
This open-heart surgery is designed to relieve the right ventricular outflow tract stenosis by careful resection of muscle and to repair the VSD. [58]: 154 The right ventricle outflow tract can be reconstructed using mainly 2 procedures: a transannular patch (TAP) or a pulmonary valve-sparing procedure (PVS). The decision on the type of the ...
Signs and symptoms depend on the specific type of defect. [3] Symptoms can vary from none to life-threatening. [7] When present, symptoms are variable and may include rapid breathing, bluish skin , poor weight gain, and feeling tired. [2] CHD does not cause chest pain. [2] Most congenital heart defects are not associated with other diseases. [3]
Mid-ventricular and left ventricular outflow obstruction: It has been suggested that a mid-ventricular wall thickening with outflow obstruction is important in the pathophysiology. [33] A quarter of unselected patients with TTS who presented to an emergency department were found to have obstructive hypertrophic cardiomyopathy (HCM) on blinded ...
Pulmonary stenosis (narrowing of the pulmonary valve and outflow tract, obstructing blood flow from the right ventricle to the pulmonary artery) Overriding aorta (aortic valve is enlarged and appears to arise from both the left and right ventricles instead of the left ventricle, as occurs in normal hearts)