M-shaped doppler signal across ventricular septal defect: potential implications for estimation of right ventricuilar systolic pressure.

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Date
2005-03-15
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Abstract
An 8-year-old child suffering from ventricular septal defect and severe valvular pulmonary stenosis was evaluated by echo-Doppler technique and cardiac catheterization. A peak instantaneous transventricular systolic gradient of 64 mmHg was recorded across the ventricular septal defect with an interesting M-shaped spectral pattern. However, cardiac catheterization revealed a peak-to-peak non-simultaneous gradient between the right and the left ventricle of only 14 mmHg. This discrepancy along with its implications are discussed in this report.
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Mohan JC, Nath LR. M-shaped doppler signal across ventricular septal defect: potential implications for estimation of right ventricuilar systolic pressure. Indian Heart Journal. 2005 Mar-Apr; 57(2): 158-60
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https://imsear.searo.who.int/handle/123456789/5399
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Indian Heart Journal