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A member asked:
How can low potassium levels cause heart problems?
2 doctors weighed in across 2 answers
Rhythm problems: Potassium level is tightly regulated by the kidneys and its balance is vital for normal functioning of heart, muscles, kidneys, etc.Low potassium can cause fatal abnormalities in heart rhythm resulting in cardiac arrest.
Answered 10/17/2016
5.1k views
Depends on how low. : By the time your blood potassium is low the total body potassium is really depleted. Slightly low potassium on it's own should not cause any arrhythmias. In combination with certain medications heart rhythm abnormalities may occur. Very low levels of potassium can cause serious arrhythmias. You should have your pcp follow this closely.
Answered 12/9/2013
5.1k views
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