Physical Finding |
Associated cardiac condition(s) |
Early Systolic Clicks (Ejection Sounds) |
High frequency systolic ejection clicks, 0.09 to 0.14 seconds after first heart sound (S1) |
Aortic stenosis (bicuspid aortic valve), pulmonary stenosis, pulmonary hypertension, dilated pulmonary artery, left ventricular outflow obstruction |
Midsystolic Clicks (Nonejection sounds) |
Medium-to-high frequency clicks, 0.17 to 0.27 seconds after S1 |
Mitral valve prolapse (& associated late systolic murmur), tricuspid valve prolapse, nonmyxomatous mitral valve disease, adhesive pericarditis, atrial myxoma, atrial septal aneurysms, left ventricular aneurysm |
Early Diastolic Opening Snap (OS) |
High-frequency sound, 0.04 to 0.12 seconds after second heart sound (S2) |
Mitral stenosis, tricuspid stenosis |
Early-Mid Diastolic Tumor Plops |
Low frequency sound, 0.04 to 0.12 seconds after S2 |
Atrial myxoma |
Early-Mid Diastolic Pericardial Knocks |
Pericardial knock, 0.06 to 0.14 seconds after S2 |
Constrictive pericarditis |