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Though there are several parameters for evaluation of left ventricular diastolic function by echocardiography, the most commonly used are the pulsed Doppler mitral E/A ratio and tissue Doppler mitral E/e’ ratio. Doppler interrogation of mitral valve is usually done from the apex through the apical four chamber view.
So that is why we see straightening of left border, typically heard of in mitral stenosis with left atrial enlargement and mild pulmonary hypertension. When there is gross pulmonary hypertension, instead of these being straight over here, it will form a bulge over here.
The post ectopic increase in the murmur is a hallmark of hypertrophic obstructive cardiomyopathy, which differentiates it clinically from mitral valve prolapse. Echocardiography in HCM Important echocardiographic features include mitral regurgitation and left ventricular outflow tract obstruction. in normotensives and more than 1.5
The cyanosis in Ebstein’s anomaly, is usually not due to pulmonary hypertension, but because tricuspid regurgitation jet is directed across the atrial septal defect. This distance, between the anterior mitral leaflet and septal tricuspid leaflet, is usually only about 5 mm during echocardiography.
Most common method of assessment of pulmonary hypertension by Doppler echocardiography is by using: A: Forward velocity across the tricuspid valve B: Reverse velocity across the tricuspid valve C: Forward velocity across the pulmonary valve D: Reverse velocity across the mitral valve Correct answer: B: Reverse velocity across the tricuspid valve Reverse (..)
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