Extra Heart Sounds (S3 and S4)

Auscultation Course Overview

This course will teach you about auscultation of the third and fourth heart sounds. Before you take this course you should have finished the Normal, First, and Second Heart Sound courses. You should feel comfortable with the material presented. 

About the author:
by Jonathan Keroes, MD, Cardiologist (ret) and David Lieberman, Software Developer.

How To Use Course Lessons

Please use good quality headphones or earphones.

Each lesson consists of multiple pages: text description with audio recording and  dynamic waveform pages. Most lessons include a cardiac or lung animation as well. To navigate pages within a lesson, use the navigation bar which will appear on each lesson page.

After completing a lesson, use the blue arrows to view the next lesson. Lessons can also be accessed by using the Table of Contents found in the left margin.

Quick Quiz

Test your knowledge! Try our Quick Quiz.