Hypokalemia differential diagnosis
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Differentiating Causes of Hypokalemia
Differentiating the diseases that can cause hypokalemia is as following:
Diseases | Clinical manifestations | Para-clinical findings | Gold standard | Additional findings | ||||||||||||||
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Symptoms | Physical examination | |||||||||||||||||
Lab Findings | Imaging | |||||||||||||||||
Fatigue | Fever | Urinary symptoms | Hypertension/ Hypotension | Skin lesions | Edema | Other | CBC | Electrolytes | Urinalysis | Ultrasonography | CT scan | Other | ||||||
Polyuria | Oliguria | Nocturia | ||||||||||||||||
Renal and adrenal disorders | Bartter syndrome | |||||||||||||||||
Gitelman syndrome | ||||||||||||||||||
Liddle syndrome | ||||||||||||||||||
Diuretic use | ||||||||||||||||||
Hemodialysis | ||||||||||||||||||
Primary hyperaldosteronism | ||||||||||||||||||
Cushing syndrome | ||||||||||||||||||
Gastrointestinal disorders | GI bleeding | |||||||||||||||||
Vomiting | ||||||||||||||||||
Severe diarrhea | ||||||||||||||||||
Villous adenoma | ||||||||||||||||||
VIPoma | ||||||||||||||||||
Neuropsychiatric disorders | Hypokalemic periodic paralysis | |||||||||||||||||
Central diabetes insipidus | ||||||||||||||||||
Bulimia nervosa | ||||||||||||||||||
Anorexia nervosa | ||||||||||||||||||
Primary polydipsia | ||||||||||||||||||
Systemic diseases | Hypothermia | |||||||||||||||||
Alcoholism | ||||||||||||||||||
Diabetic ketoacidosis | ||||||||||||||||||
Hypothermia | ||||||||||||||||||
Hypomagnesemia | ||||||||||||||||||
Burns | ||||||||||||||||||
Cystic fibrosis |