Diastolic heart murmur

Diastolic heart murmur

A Diastolic heart murmur (pronunciation: /daɪəˈstɒlɪk hɑːrt ˈmɜːrmər/) is a specific type of heart murmur that occurs during the diastolic phase of the cardiac cycle.

Etymology

The term "diastolic" is derived from the Greek word "diastole," which means dilation. "Murmur" comes from the Latin word "murmurare," meaning to hum or murmur.

Definition

A diastolic heart murmur is an abnormal sound heard between heartbeats, specifically during the time when the heart is filling with blood (diastole). This is in contrast to a systolic heart murmur, which occurs when the heart is contracting to pump blood out.

Causes

Diastolic heart murmurs are often caused by conditions that narrow or stiffen the heart valves, such as aortic regurgitation or mitral stenosis. They can also be caused by conditions that increase blood flow through the heart, such as anemia or hyperthyroidism.

Related Terms

• Heart murmur
• Systolic heart murmur
• Aortic regurgitation
• Mitral stenosis
• Anemia
• Hyperthyroidism

See Also

• Cardiology
• Heart disease
• Heart valve disease

External links

• Medical encyclopedia article on Diastolic heart murmur
• Wikipedia's article - Diastolic heart murmur

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