Abnormal heart rhythms, Fatigue, Muscle cramp: 2 Possible Causes
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What causes abnormal heart rhythms, fatigue and muscle cramp? 2 possible conditions

See a list of possible causes in order from the most common to the least.


Low Blood Potassium

Hypokalemia occurs when the blood's potassium levels are too low. A normal level of potassium is 3.6-5.2 millimoles per liter. Levels below 3.6 are considered low.

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Marine Animal Bites or Stings

This condition is considered a medical emergency. Urgent care may be required.

Many marine animals bite or sting. Some animals are venomous, while others can inflict deep bites. Learn more about the risks and prevention.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.