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Summation Gallop at 120 beats per minute

Summation Gallop at 120 beats per minute

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.


Auscultation Sounds

auscultation sound from lesson
waveform


Patient Recording

patient heart or lung sound
Summation Gallop at 120 beats per minute


Patient Recording - Half Speed Playback

patient heart or lung sound
Summation Gallop at 120 beats per minute



Position

Patient position
The patient's position should be supine.

Listening Tips

Diastole:Shortened diastole, S3 & S4 superimposed


Waveform (Phonocardiogram)

Observe

//embedding heart animation
The cardiac animation shows an enlarged left ventricle with decreased left ventricular contractility and a minimally enlarged left atrium.

Authors

These authors contributed the audio recordings and text found in this reference guide: Jon Keroes, MD,Diane Wrigley, PA, and David Lieberman.
Medically reviewed by Dr. Barbara Erickson, PhD, RN, CCRN.

Sources


Sources




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