Sign in or Join for this module. Restore

Second Heart Sound with Persistent Splitting

Second Heart Sound with Persistent Splitting

This example shows persistent splitting of the second heart sound. Splitting varies between thirty milliseconds at peak expiration and sixty milliseconds at peak inspiration. With normal physiologic splitting the second heart sound is not split at peak expiration. With persistent splitting, the second heart sound is split in both inspiration and expiration, although the degree of splitting is reduced in expiration. This type of splitting is associated with Right Bundle Branch Block a condition in which the electrical signal which causes contraction of the right ventricle is blocked.


Auscultation Sound From Lesson

auscultation sound from lesson
waveform


Second Heart Sound with Persistent Splitting | #45

Authors and Reviewers

Authored by Dr. Jonathan Keroes, MD and Diane Wrigley, PA.
Medically reviewed by Dr. Barbara Erickson, PhD, RN, CCRN.
Last Update: 12/06/2021

Sources


Sources



Return to Reference Guide Index Page

An error has occurred. This application may no longer respond until reloaded. Reload 🗙