What can cause heart murmurs?
ANSWER
Heart murmurs may be caused by blood flowing through a heart valve that's leaky or narrow because of disease. Murmurs can also be caused by increased blood flow across a valve caused by medical conditions like anemia or hyperthyroidism. Heart problems present at birth can also cause heart murmurs. These sometimes can be repaired with surgery.
From: Heart Murmur Introduction and Symptoms WebMD Medical Reference
Reviewed by James Beckerman on May 02, 2018
SOURCES:
National Heart Lung and Blood Institute: "Explore Heart Murmur."
MedlinePlus: "Heart murmurs and other sounds."
SOURCES:
National Heart Lung and Blood Institute: "Explore Heart Murmur."
MedlinePlus: "Heart murmurs and other sounds."
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