Question:
Which wall of heart enlargement can be seen on barium swallow in patient with mitral stenosis?
Which wall of heart enlargement can be seen on barium swallow in patient with mitral stenosis?
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Back-pressure to the lungs overloads which ventricle?
Updated On: Jun 23, 2026
- Left atrium
- Right atrium
- Left ventricle
- Right ventricle
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: In mitral stenosis the narrowed mitral valve obstructs flow from the left atrium to the left ventricle, raising left atrial pressure.
Step 2: This pressure transmits backward, raising pulmonary venous and then pulmonary arterial pressure. The increased pulmonary arterial pressure imposes a high afterload on the right ventricle.
Step 3: The right ventricle struggles to empty against this load, its end-diastolic pressure and volume rise, and right ventricular hypertrophy develops. Hence right ventricular enlargement is the chamber change, so the answer is Right ventricle.
Step 4: The left ventricle is spared because filling is reduced, so left ventricular diastolic pressure stays normal in isolated mitral stenosis.
Step 2: This pressure transmits backward, raising pulmonary venous and then pulmonary arterial pressure. The increased pulmonary arterial pressure imposes a high afterload on the right ventricle.
Step 3: The right ventricle struggles to empty against this load, its end-diastolic pressure and volume rise, and right ventricular hypertrophy develops. Hence right ventricular enlargement is the chamber change, so the answer is Right ventricle.
Step 4: The left ventricle is spared because filling is reduced, so left ventricular diastolic pressure stays normal in isolated mitral stenosis.
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