76.6k views
3 votes
Rupture of the papillary muscles in the left ventricle may result in any of the following except?

1) Mitral regurgitation
2) Aortic stenosis
3) Ventricular septal defect
4) Tricuspid regurgitation

User Sovon
by
8.1k points

1 Answer

1 vote

Final answer:

Rupture of the papillary muscles in the left ventricle may result in mitral regurgitation, ventricular septal defect, and tricuspid regurgitation, but not aortic stenosis, which involves the narrowing of the aortic valve and is not connected to the papillary muscles or their function.

Step-by-step explanation:

The rupture of the papillary muscles in the left ventricle would lead to complications with the heart's valves, specifically those connected to the left ventricle. The papillary muscles are attached to the mitral valve via chordae tendineae and are responsible for preventing the valve's cusps from inverting and causing regurgitation. Therefore, of the options provided, mitral regurgitation would be a possible consequence of papillary muscle rupture. Aortic stenosis is a narrowing of the aortic valve which is not directly connected to the papillary muscles or chordae tendineae and thus would not be a direct result of their rupture. A ventricular septal defect is a hole in the interventricular septum and is unrelated to papillary muscle function. Last, tricuspid regurgitation could result from a similar issue on the right side of the heart, but it is not directly affected by the left ventricle's papillary muscles rupture. Therefore, the correct answer to which condition would not result from the rupture of the papillary muscles in the left ventricle is Aortic stenosis.

User Tobias Ahlin
by
8.1k points