Fast Five Quiz: Hyperkalemia Signs and Symptoms

A. Brent Alper, Jr, MD, MPH


December 07, 2021

Figure 1. Detail of an electrocardiogram (ECG).

Once hyperkalemia has been discovered, it is important to perform electrocardiography to rule out any cardiac toxicity. The next step would be to clarify the etiology of hyperkalemia. This might consist of a careful evaluation of the patient's history and medications, screening for hemolysis, assessment of kidney function, and, if applicable, investigation of the cause of acute kidney injury. Identification of underlying factors dictates further treatment protocols.

Learn more about the workup for hyperkalemia.


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