The signs and symptoms of hyperkalemia are cardiac and central nervous system (CNS) depression. The heart signs include bradycardia and low heart sounds followed by peripheral vascular collapse, leading to cardiac arrest. The other symptoms are mental confusion, weakness, numbness, and flaccid paralysis of extremities. Marked elevation of serum K occurs in patients in the following conditions:
Addison’s disease due to decreased excretion of K by kidneys
Intravenous administration of excessive amount of potassium salts.
Last modified: Tuesday, 14 February 2012, 10:46 AM