Heart and Lung Sounds Reference Guide

Welcome to our guide for heart and lung sounds. Select one of the titles below to review auscultating assessment tips, view phonocardiograms and listen to audio recordings. Our guide includes a wide range of normal and abnormal heart sounds.

Aortic Sclerosis (Musical Murmur)	Acute Pericarditis
Aortic Regurgitation - Mild	Aortic Regurgitation - Moderate
Aortic Regurgitation - Severe	Aortic Regurgitation (Decrescendo Diastolic Murmur)
Aortic Stenosis - Mild	Aortic Stenosis - Mod Regur. Mild
Aortic Stenosis - Severe	Aortic Stenosis (Diamond Shaped Systolic Murmur)
Aortic Stenosis Moderate and Regurgitation Mild - Rheumatic Origin	Arrythmogenic RV Dysplasia
Atrial Septal Defect	Bronchial
Bronchophony - Abnormal	Bronchophony - Healthy
Bronchovesicular	Cardiomyopathy - Congestive Moderate
Coarctation of the Aorta	Commotio Cordis
Crackles - Coarse (Rales)	Crackles - Early Inspiratory (Rales)
Crackles - Fine (Rales)	Crackles - High Pitched (Rales)
Crackles - Late Inspiratory (Rales)	Ebstein's Anomaly
Egophony - a	Egophony - e
Exercise - Heart Rate 120	First and Second Heart Sounds - Normal & Unsplit
First and Second Heart Sounds - Reduced Intensity	First Heart Sound - Decreased Intensity
First Heart Sound - Loud	First Heart Sound (Markedly Split)
First Heart Sound (Minimally Split)	First Heart Sound plus Aortic Ejection Click
Fourth Heart Sound	Fourth Heart Sound Gallop
Hypertrophic Cardiomyopathy	Innocent Murmur
Innocent Systolic Ejection Murmur - Standing	Innocent Systolic Ejection Murmur - Supine
Mediastinal Crunch	Mid-Systolic Click
Mitral Regurgitation	Mitral Regurgitation - Severe
Mitral Regurgitation (Pan-systolic Murmur)	Mitral Regurgitation and Aortic Regurgitation
Mitral Stenosis - Mild	Mitral Stenosis - Moderate
Mitral Stenosis - Severe	Mitral Stenosis (Diastolic Murmur)
Mitral Stenosis Severe and Regurgitation Mild - Rheumatic Origin	Mitral Valve Leaflet Prolapse
Mitral Valve Prolapse (Click with late systolic murmur)	Mitral Valve Prolapse with Mid Systolic Click - Standing
Myocarditis	Opening Snap and Second Heart Sound
Patent Ductus Arteriosus	Pleural Rubs
Prosthetic Heart Sound - Aortic	Prosthetic Heart Sound - Mitral
Pulmonary Stenosis	Pulmonic Regurgitation - Mild
Rhonchi - Low Pitched Wheezes	Second Heart Sound - Fixed Splitting
Second Heart Sound - Physiologic Split	Second Heart Sound - Splitting
Second Heart Sound and a Tumor Plop	Second Heart Sound and Late Systolic Click
Second Heart Sound with Fixed Splitting	Second Heart Sound with Persistent Splitting
Second Heart Sound: Fixed Splitting, Decreased Aortic Intensity	Second Heart Sound: Fixed Splitting, Increased Aortic Intensity
Stridor	Summation Gallop at 120 beats per minute
Tetralogy of Fallot	Third and Fourth Heart Sound Gallop
Third Heart Sound - Physiologic	Third Heart Sound Gallop - Abnormal
Tricuspid Regurgitation - Severe	Tricuspid Stenosis - Moderate
Ventricular Septal Defect	Vesicular - Diminished
Vesicular - Normal	Wheeze
Wheezes - Expiratory	Wheezes - Monophonic
Wheezes - Polyphonic	Whispered Pectoriloquy - Abnormal
Whispered Pectoriloquy - Healthy