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AHAASAKatie
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AHAASAKatie, July 28,  2017  9:24am EST
Does this fish provide a window to your heart health ?.

Does this fish provide a window to your heart health?

Zebrafish and human hearts have so much in common that scientists are using their hearts to study heart diseases in humans. The zebrafish can mend its own heart muscle which provides clues to heart function. While human hearts cannot regenerate like this little fish, zebrafish are perfect for cardiovascular research. Both hearts are made up of chambers that contain valves. The heart valve opens for blood to empty from the chamber and closes so blood cannot flow in the wrong direction. What would happen if the valves stopped functioning in the heart?

Aortic valve stenosis occurs when there is a narrowing of the aortic valve opening. Aortic stenosis restricts blood flow from the left ventricle to the aorta and may also affect the pressure in the left atrium. The wall of the left ventricle may also show muscular thickening because the ventricle must work harder to pump blood through the narrow valve opening, which can result in heart failure. Some people with mild valve problems never require surgery. But surgery to repair or replace may come into play if the heart valve begins to affect the heart’s ability to pump blood. Check out our interactive guide that will explain step-by-step your valve issue and treatment options. 

 

http://www.heart.org/HEARTORG/Conditions/More/HeartValveProblemsandDisease/Problem-Heart-Valve-Stenosis_UCM_450369_Article.jsp#.WXs7QYQrLIU 

 

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