You are on a ride along in an EMS vehicle. A person has been pulled from an icy river after being submerged for at least ten minutes. Someone attaches a heart monitor which shows organized waveforms and a very slow heart rate (roughly 10 beats per minute). The airway has been suctioned and is clear. No pulse or breathing is detected. Which of the following do you suspect?
a) Ventricular fibrillation
b) Sinus bradycardia
c) Asystole
d) Pulseless electrical activity (PEA)