Related by context. Frequent words. (Click for all words.) 75 sudden cardiac death 70 cardiac arrest 65 arrhythmia 56 ischemic stroke 55 AEDs 55 defibrillator 55 atrial fibrillation 54 coronary artery disease 54 defibrillators 54 cardiac 53 heart disease 53 bacterial meningitis 53 cardiovascular disease 50 myocardial infarction 50 sepsis 49 pulmonary embolism 49 DVT 48 sleep apnea 48 SIDS 48 hypothermia 47 meningitis 47 irregular heartbeat 47 blood clots 47 asthma 47 chest compressions 47 congenital heart 46 cardiovascular 46 heatstroke 46 coronary heart 46 angina 46 traumatic brain injury 46 congestive heart failure 45 diabetes 45 deep vein thrombosis 45 dementia 45 pneumonia 45 hypoglycemia 45 kidney failure 45 aneurysm 45 traumatic brain injuries 45 carbon monoxide poisoning 45 kidney disease 45 lung cancer 44 Heart Association 44 Stroke 44 clots 44 premature birth 44 CPR 44 bacterial infection 44 colorectal cancer 44 coronary 43 Alzheimer disease 43 sickle cell disease 43 undiagnosed 43 thrombosis 43 hypertension 43 epilepsy 43 gestational diabetes 43 heat exhaustion 43 clogged arteries 43 fainting 43 vascular disease 42 angioplasty 42 breast cancer 42 blood clot 42 liver disease 42 lung disease 42 stroke 42 hospitalizations 42 respiratory illness 41 premature babies 41 emphysema 41 kidney function 41 COPD 41 resuscitation 41 diabetics 41 ALS 41 heart 41 seasonal influenza 41 bladder cancer 41 ovarian cancer 41 bowel cancer 41 leukemia 41 lung transplant 40 stillbirth 40 cervical cancer 40 cardiovascular diseases 40 clot 40 colon cancer 40 cognitive decline 40 asymptomatic 40 cystic fibrosis 40 sickle cell 40 CHD 40 bypass surgery 40 clotting 40 cardiac surgery 40 Alzheimer 40 warfarin 40 potentially fatal 40 gum disease