Advanced Life Support Pulseless Electrical Activity (PEA). Regarding pulseless electrical activity (PEA): a) Is an infrequent rhythm first monitored in a cardiac arrest. b) Is defined by evidence of ventricular activity on the ECG that would normally be associated with a pulse. c) Can be treated by administration of 300 mg amiodarone IV. d) Is a common cardiac arrest rhythm in patients with severe haemorrhage. Start Like this:Like Loading…