A 25 year old man presents to the ED. His parents tell you he was admitted to hospital recently and diagnosed with acute myocarditis by a cardiologist after an echocardiogram and blood tests. He discharged himself against medical advice earlier that day as he had a wedding to go to.
He presents to the department in cardiogenic shock with a depressed level of consciousness.
You take a history from his parents about his condition.
What factors should be addressed in taking a history related to someone with possible myocarditis?