Related by context. Frequent words. (Click for all words.) 58 edema 57 breathing difficulties 56 peritonitis 56 arrhythmia 55 syncope 55 oxygen deprivation 54 cardiac arrhythmia 54 pulmonary embolism 53 pulmonary hypertension 53 renal failure 53 hypertrophic cardiomyopathy 53 acute renal failure 52 cardiac arrest 52 acute pancreatitis 52 cardiomyopathy 52 pneumonia 52 respiratory distress 52 hypotension 52 kidney failure 51 hyponatremia 51 organ failure 51 ventricular fibrillation 51 heart arrhythmia 51 dehydration 51 pancreatitis 51 tachycardia 51 embolism 50 hydrocephalus 50 irregular heartbeat 50 internal bleeding 50 gastritis 50 septic shock 50 liver disease 49 hypothermia 49 ARDS 49 epileptic fit 49 arteriosclerosis 49 subdural hematoma 49 encephalopathy 49 shortness 49 blood clot 49 sepsis 49 aortic dissection 48 acute respiratory distress 48 thrombosis 48 hypertrophy 48 severe abdominal pain 48 difficulty breathing 48 lungs 48 gastric ulcers 48 hemorrhagic 48 sudden cardiac death 48 acute intoxication 48 arrhythmias 48 chronic lung 47 breathlessness 47 ectopic pregnancy 47 irregular heartbeats 47 altitude sickness 47 infarction 47 chronic renal failure 47 jaundice 47 pulmonary fibrosis 47 bacterial pneumonia 47 acromegaly 47 pulmonary 47 iron overload 47 transient ischemic attack 47 compartment syndrome 47 brain haemorrhage 47 emphysema 47 fluid retention 47 suffered cardiac arrest 47 severe dehydration 47 viral pneumonia 47 ischemia 47 lung infection 47 abdominal pains 46 thrombus 46 respiratory 46 asphyxia 46 cerebrovascular disease 46 heatstroke 46 hyperglycemia 46 aortic aneurysm 46 cerebrospinal fluid 46 septicemia 46 heart murmur 46 congestive heart failure 46 neurological symptoms 46 aneurysm 46 induced asthma 46 acute myocardial infarction 45 labored breathing 45 epileptic seizure 45 hypoglycaemia 45 hyperthyroidism 45 muscle cramps 45 gastrointestinal bleeding 45 respiratory infection 45 abnormality