Hyperkalemia natural history, complications, and prognosis

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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

Extreme degrees of hyperkalemia are considered a medical emergency if left untreated hyperkalemia can cardiac rhythm disorders and eventually cardiac arrest leading to death

Natural History

Extreme degrees of hyperkalemia are considered a medical emergency if left untreated hyperkalemia can cardiac rhythm disorders and eventually cardiac arrest leading to death. Complications that can develop as a result of hyperkalemia are arrhythmia, cardiac arrest, and neuromuscular weakness.

Complications

Complications that can develop as a result of hyperkalemia are

• Arrhythmias
• Cardiac arrest
• Changes in nerve and muscle (neuromuscular) control

Prognosis

The outcome with this condition varies. In some people, the disorder causes deadly complications, while others tolerate it well.