When Does Low Potassium Cause An Arrhythmia?

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Definition

An arrhythmia is a disorder of the heart rate (pulse) or heart rhythm, such as beating too fast (tachycardia), too slow (bradycardia), or irregularly.


Alternative Names

Dysrhythmias; Abnormal heart rhythms; Bradycardia; Tachycardia


Causes, incidence, and risk factors

Normally, your heart is able to pump blood out to your body without working any harder than is needed.

To help this happen, your heart has an electrical system that makes sure it contracts (squeezes)...

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