a male trainee performing defibrillation with a model on acls tr

acls adult aid arrest arrhythmia assistance cardiopulmonary care charge chest class compression course cpr death defibrillation defibrillator device doctor doll dummy education electric electrocardiogram emergency equipment first hand health healthcare heart help hemodynamics hospital icu life male mannequin medical medicine model monitor oxygen patient performing practice procedure professional pumping rescue rescuer resuscitation safe saving shock sos support svt synchonize technique thailand threatening trainee training unconscious