Symptoms and Signs of Hypokalemia

Cardiovascular

 - Hypertension

 - Orthostatic hypotension

 - Potentiation of digitalis toxicity

 - Dysrhythmias (usually tachyarrhythmias)

 - T-wave flattening, QT prolongation, U waves, ST depression

Neuromuscular

 - Malaise, weakness, fatigue

 - Hyporeflexia

 - Cramps

 - Paresthesias

 - Paralysis

 - Rhabdomyolysis

GI

 - Nausea, vomiting

 - Abdominal distension

 - Ileus

Renal

 - Increased ammonia production

 - Urinary concentrating defects

 - Metabolic alkalemia, paradoxical aciduria

 - Nephrogenic diabetes insipidus

Endocrine

 - Glucose intolerance



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