Related by context. Frequent words. (Click for all words.) 76 ventricular fibrillation 74 arrhythmias 73 bradycardia 69 tachycardia 68 fibrillation 67 arrhythmia 66 sudden cardiac death 64 irregular heartbeats 64 Atrial fibrillation 64 atrial fibrillation 64 syncope 62 cardiac arrhythmia 62 infarction 62 atrial fibrillation AF 60 hypotension 60 sudden cardiac arrest 59 myocardial infarction 59 dilated cardiomyopathy 59 aortic stenosis 58 ischemic 58 cardiac resynchronization therapy 58 unstable angina 57 ischemic strokes 57 cardiac arrhythmias 57 catheter ablation 57 QT interval 57 hypoglycemia 56 ischemic stroke 56 cardiac 56 revascularization 56 renal dysfunction 56 myocardial infarction MI 56 ejection fraction 56 sudden cardiac 55 coronary artery disease 55 ischemia 55 cardiopulmonary bypass 55 acute coronary syndrome 55 acute myocardial infarction 55 amiodarone 54 CABG surgery 54 ventricular 54 angina 54 atrial 53 cardiac arrest 53 ventricles 53 sepsis 53 heart arrhythmia 53 retinal detachment 53 defibrillation 53 coronary disease 53 obstructive sleep apnea 53 coronary 53 aortic dissection 53 anticoagulation 53 thrombosis 53 restenosis 52 electrocardiogram ECG 52 hypertrophy 52 chronic renal failure 52 coronary angiography 52 hyperglycemia 52 myocarditis 52 LVEF 52 STEMI 52 irregular heartbeat 52 pulmonary hypertension 52 acute coronary syndromes 52 ventricle 52 pulmonary edema 52 bacteremia 52 septic shock 51 clot formation 51 transient ischemic attack 51 endocarditis 51 intracranial 51 cerebrovascular 51 coronary artery 51 acute ischemic stroke 51 apnea 51 myocardial 51 Beta blockers 51 hemodynamic 50 hemorrhagic 50 cardiomyopathy 50 coronary artery bypass grafting 50 severe sepsis 50 beta blockers 50 infarct 50 myocardium 50 hypertensive 50 stenting 50 bloodstream infection 50 oxygen saturation 50 tumor recurrence 50 idiopathic 50 cardiovascular 50 reperfusion 50 atria 50 neonates 50 gastric ulcers