Pressure gradient across the mitral valve

Pressure gradient across the mitral valve

A patient of mitral stenosis is taken for catheterization. Pressure gradient across the mitral valve is found to be 20 mm Hg. What is the probable LA Pressure?

Normal left ventricular diastolic pressure is 5 mmHg.

• Pressure gradient across the mitral valve of 20 mmHg
• Probable left atrial pressure = LVEDP + Transmitral pressure gradient = 5 mmHg + 20 mmHg = 25 mmHg

Pressure gradient across the mitral valve of 20 mmHg suggest – severe mitral stenosis

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