Summation Gallop at 120 beats per minute..
Summation Gallop at 120 beats per minuteAt 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 Sound From Lesson
Patient Recording - Half Speed Playback
The patient's position should be supine.
Diastole: Shortened diastole, S3 & S4 superimposed
Summation Gallop at 120 beats per minute