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