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TableĀ 1 Characteristics of some common murmurs

From: The electronic stethoscope

Murmur type Location Timing Pitch Quality
Mitral stenosis (MS) Apex Diastolic Low Rumbling
Mitral regurgitation (MR) Apex Systolic High Blowing
Aortic stenosis (AS) Apex/right upper sternal border Systolic High Harsh
Aortic regurgitation (AR) Right upper sternal border/left third/fourth intercostal space (ICS) Diastolic High Blowing
Tricuspid stenosis (TS) Lower right and left sternal borders Diastolic High Rumbling
Tricuspid regurgitation (TR) Left fourth ICS Diastolic High Blowing
Pulmonary stenosis (PS) Left second ICS Systolic High Blowing
Pulmonary regurgitation (PR) Second/third ICS Diastolic High Blowing
Mitral valve prolapse (MVP) Apex Mid-late systolic High Blowing
Ventricular septal defect (VSD) Left lower sternal border Systolic High Harsh
Patent ductus arteriosus (PDA) Left upper sternal border Continuous High Harsh
Hypertrophic cardiomyopathy (HOCM) Left lower sternal border Mid-late systolic High Harsh