Last Updated on August 19, 2026
Table of Contents
Continuous Machinery Murmur
Causes
• Patent ductus arteriosus
Early Diastolic Murmur
Causes
• Aortic regurgitation
Mid-Late Diastolic Murmur
• Also known as Austin-Flint
murmur
×Murmur
Causes
•
Aortic regurgitation
• In severe AR ×
• Due to partial closure of the anterior mitral valve cusps caused by the regurgitation streams
Pansystolic Murmur
Causes
• Mitral regurgitation
• Tricuspid regurgitation
• Ventricular septal defect
Ejection Systolic Murmur
Causes
• Aortic stenosis
• Pulmonary stenosis
• Atrial septal defect
• Tetralogy of Fallot
• Hypertrophic obstructive cardiomyopathy
Late Systolic Murmur
Causes
• Mitral valve prolapse
• Coarctation of aorta