Back

First Heart Sound - Decreased Intensity

Heart Sounds Lesson

maneuver image
Supine
torso and chestpiece
Diaphragm

A decreased intensity first heart sound can be produced by various heart abnormalities, such as a viral infection of the heart called a cardiomyopathy.

Other conditions include a previous heart attack and decreased thyroid function.

The decreased intensity first heart sound is due to a decrease in the vigor of contraction of the left ventricle. See the anatomy tab.

Practical Clinical Skills Logo Content is for medical professionals.
All information is for education only.
Copyright Medical Training and Simulation LLC, 2016