Keywords
heart,organ,cardiac,cardio,ventricle,atrium,aorta,atria,pulmonary artery,pulmonary vein,ivc,inferior vena cava,tricuspid valve,bicuspid valve,valve,cardiovascular system,heartbeat,arrhythmia,irregular heartbeat,electrical impulses,electrodes,contract,cardiac muscle,electrical conduction,heart rate,fibrillation,synchronization,ventrical,ECG,adult male human body,body,person ,people,figure,torso,upper body,chest,boy,man,male,anterior,front view,face,eyes closed,pacemaker,male torso,male chest,pacemaker,electrophysiology