Hyperkalemia physical examination
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Priyamvada Singh, M.B.B.S. [2]
Overview
In patients with hyperkalemia, physical examination may vary from normal to bradycardia (heart block), tachypnea due to respiratory muscle weakness and absent tendon reflexes.
Physical Examination
Vitals
- Bradycardia (heart block)
- Tachypnea (respiratory muscle weakness)
Lungs
- Normal breathe sounds
Cardiac
- Normal S1 S2
- Extra sysstole may be noted
Abdomen
- No abdominal tenderness or distention
- Normal bowel sounds
Neurologic
- Muscle weakness
- Flaccid paralysis
- Depressed or absent deep tendon reflexes
- Muscle tenderness associated with muscle weakness (rhabdomyolysis)