1. A patient who has been treated with diuretics for the past few months develops an arrhythmia and is seen in the ER. When the patient has his blood tested, which electrolyte level may be outside of...

1. A patient who has been treated with diuretics for the past few months develops an arrhythmia and is seen in the ER. When the patient has his blood tested, which electrolyte level may be outside of the reference range?

2. Which of these tests is not part of a typical electrolyte panel?

a. Sodium