I recently went to the hospital with chest pains and was told that I hadn't had a heart attack. Instead, my doctor said I had pericarditis. What does that mean and what is the best treatment?
D003937:Diagnosis, Differential; D006801:Humans; D009203:Myocardial Infarction / Q000175:diagnosis*; D010493:Pericarditis / Q000175:diagnosis* / Q000209:etiology