What is the most common type of heart murmur?

What is the most common type of heart murmur?

• A. Mid-systolic
• B. Late diastolic
• C. Pan-systolic
• D. Early diastolic

Answer: (A)

Most murmurs you’ll hear occur during systole, and within that timing, midsystolic murmurs are the most commonly encountered. This pattern is typical of many innocent or physiologic murmurs that arise from increased flow across a normal valve, especially in younger individuals. They tend to be short and soft and are often heard best at the left sternal border. In contrast, diastolic murmurs usually reflect valve pathology (regurgitation or stenosis) and holosystolic (pan-systolic) murmurs align with specific regurgitant lesions, making them less common overall. Because midsystolic timing best represents the majority of murmurs clinicians encounter, it is the correct choice.

Most murmurs you’ll hear occur during systole, and within that timing, midsystolic murmurs are the most commonly encountered. This pattern is typical of many innocent or physiologic murmurs that arise from increased flow across a normal valve, especially in younger individuals. They tend to be short and soft and are often heard best at the left sternal border. In contrast, diastolic murmurs usually reflect valve pathology (regurgitation or stenosis) and holosystolic (pan-systolic) murmurs align with specific regurgitant lesions, making them less common overall. Because midsystolic timing best represents the majority of murmurs clinicians encounter, it is the correct choice.