Edward reported to the ED with chest pain. After workup it was determined that he had an MI. The first-listed diagnosis for this encounter is chest pain

A thin, broad subcutaneous muscle covering the area from the lower jaw, over the front and side of the neck, across the clavicle, and blending into the fascia of the upper chest

What will be an ideal response?

If left untreated, severe hyperkalemia can lead to ____________________.

Fill in the blank(s) with the appropriate word(s).