First Heart Sound - Decreased Intensity

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.

First Heart Sound - Decreased Intensity
Position: Mitral
Chestpiece: Diaphragm


maneuver
Maneuver: Supine

Phonocardiogram

waveform

Cardiac Animation



This website is only for medical professional education. Contact a healthcare provider for medical care. Copyright 2011-2019 © MedEdu LLC. All Rights Reserved. About | Privacy Policy | Email