Related by context. Frequent words. (Click for all words.) 51 ventricular fibrillation 48 respiration 47 intubated 47 airway obstruction 47 began administering CPR 47 unresponsive 46 ventricular tachycardia 46 unconscious 46 administering CPR 46 oxygen saturation 45 hemodynamics 45 arrhythmic 45 resuscitation 44 labored breathing 44 ambulation 44 physiologic 44 unconcious 44 breathing 44 electroencephalogram 44 dilated pupils 44 hypo 44 compressions 43 tachycardia 43 catecholamines 43 syncope 43 hyperventilation 43 neonate 43 fibrillation 43 pulsations 43 electrocardiogram 43 cardiopulmonary resuscitation CPR 42 pulsation 42 pneumothorax 42 cardiopulmonary bypass 42 cardiac arrest 42 cardio pulmonary resuscitation 42 autonomic nervous system 42 paramedics arrived 42 abnormal heartbeat 42 ejection fraction 42 oxygen uptake 42 performed cardiopulmonary resuscitation 41 pulse 41 Postoperative 41 adrenal 41 pulmonary function 41 epinephrine 41 Fainting 41 bradycardia 41 endotracheal tube 41 sinus rhythm 41 hypothermic 41 intubation 41 rescue breaths 41 chest compressions 40 hypotension 40 intravascular 40 lower extremities 40 thrombolytic therapy 40 Unconscious 40 artificial respiration 40 mechanical ventilation 40 pulse oximeter 40 exertion 40 jerky movements 40 lifeless 40 comatose 40 EEGs 40 hemodynamic 40 NYHA class 40 oximetry 40 cardiopulmonary resuscitation 40 synchrony 40 intracranial pressure 40 msec 40 rhythmic 40 manikin 39 performing CPR 39 rigor mortis 39 dyspnea 39 prehospital 39 implantable cardioverter defibrillator 39 myocardial ischemia 39 mechanical ventilator 39 exerciser 39 profuse sweating 39 heartbeats 39 rendered unconscious 39 paramedics 39 implanted defibrillator 39 muscle contractions 39 severely dehydrated 39 postsurgical 39 ventricular arrhythmias 39 ACLS 39 rhythmical 39 cerebral 39 semi comatose 39 hemorrhagic shock 39 electrocardiogram ECG 39 EKG