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A member asked:
What do beta blockers do, and why are they prescribed for so many heart problems?
A doctor has provided 1 answer
Lots of things: Beta blockers have multiple effects on the heart including slowing the heart rate and reducing contractility. One property that follows from these is that they reduce the amount of oxygen demand of the heart, or "calm" the heart down. These properties are useful for a wide variety of heart conditions including rhythm problems, angina, and having had a history of a heart attack.
Answered 1/16/2014
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