First Heart Sound (Minimally Split)

On occasion the first heart sound can be made up of two separate sounds separated by a very small interval (20-30 milliseconds).

The Mitral component (caused by closure of the Mitral valve) comes first and is louder than the Tricuspid component (caused by closure of the Tricuspid valve).

A minimally split first heart sound is a normal variation of the first heart sound.

First Heart Sound (Minimally Split)
Position: Tricuspid
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

  • facebook like
  • twitter like
  • linkedin like
  • email share