Summation Gallop at 120 beats per minute

patient thorax when auscultating by stethoscope

patient position during auscultation
The patient was supine during auscultation.

Description

At a heart rate of 120 beats per minute, the diastolic period is shortened. This causes the third and fourth sound to be superimposed, creating a single loud sound. The anatomy video shows an enlarged left ventricle with decreased left ventricular contractility and a minimally enlarged left atrium.

Phonocardiogram

Anatomy

Summation Gallop at 120 beats per minute

The cardiac animation shows an enlarged left ventricle with decreased left ventricular contractility and a minimally enlarged left atrium.
Authors and Sources

Authors and Reviewers

Sources


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