hypokalemic paralysis

Q: Muscle weakness in hypokalemia usually starts developing from? (select one)

A) upper body
B) lower body


 Answer:  B

Muscle weakness in hypokalemia usually occurs when potassium level goes below above 2.5 meq/L. unless there is an acute drop. Muscle weakness usually begins with the lower extremities, progresses to the trunk, and later involves upper extremities before preceding to paralysis.

#electrolytes
#neurology


Reference:

Ahlawat SK, Sachdev A. Hypokalaemic paralysisPostgraduate Medical Journal 1999;75:193-197.