Too much potassium in your blood can affect how your heart works. Symptoms of hyperkalemia can include:
Complications of Hyperkalemia
Hyperkalemia is a common cause of life-threatening heart rhythm changes, or cardiac arrhythmias. It can lead to an emergency condition called ventricular fibrillation. In this condition, the lower parts of your
heart flutter rapidly instead of pumping blood.
Untreated, an extremely high amount of potassium in your blood can make your heart stop beating, causing death.