Heart and Lung Sounds Reference Guide Aortic Pulmonic Erb's Point Tricuspid Mitral Lungs Cardiomyopathy - Congestive Moderate Auscultation Reference Signup Now. Unlock lessons and more. SignUp Patient Normal Speed play pause Patient Half Speed play pause Lesson For heart sounds listen to the synthetic sound while reviewing this lesson. This is a simulation of Cardiomyopathy - Congestive Moderate taken at the apex.1. Note that S1 is softer than normal due to decreased LV contractility. 2. S2 is normal at the Apex. 3. An S3 is present due to left ventricular failure.4. A rectangular, medium-pitched murmur of mild mitral insufficiency is due to a dilated mitral valve annulus. The waveform(s) seen above are a chart of sound amplitude (loudness) on the vertical axis against time on the horizontal axis. Listening Tips A summary of the key aspects of this heart or lung sound. S1: May be softer. Systole: Medium pitched, rectangular murmur. Clicks may be heard.Diastole: S3 present. Auscultation Method The recommended patient position is seated For this sound, use stethoscope's diaphragm The recommended auscultation position for the stethoscope is mitral Relevant Courses If you wish to review a complete mobile concerning Cardiomyopathy - Congestive Moderate Auscultation Reference and related heart sounds, the modules(s) listed below may be useful. Each lesson includes text that explains the auscultatory sound and its clinical significance. The lesson also includes an audio track for playback. A waveform provides a great way to visualize the sounds. Finally, we also include an animation video. For heart sounds, the video illustrates heart muscle and valve movements along with blood flow. For lung sounds, the primary source of the sounds can be seen. Each module also includes a quiz. Cardiomyopathy - Congestive Moderate Auscultation Reference