A patient has a problem with Phase 0 of the cardiac cycle. What electrolyte imbalance would the healthcare professional associate most directly with this problem?
A)Hyperkalemia
B)Hyponatremia
C)Hypercalcemia
D)Hypomagnesemia

Question

Quizplus · Accepted Answer

Phase 0 consists of depolarization and represents rapid sodium entry into the cell. A deficit of sodium could be a possible contributor. The other electrolyte disturbances would not be directly correlated to this problem.

A Patient Has a Problem with Phase 0 of the Cardiac