HISTORY OF PRESENT ILLNESS: , This is a 43-year-old black man with no apparent past medical history who presented to the emergency room with the chief complaint of weakness, malaise and dyspnea on exertion for approximately one month. 
HISTORY OF PRESENT ILLNESS : , This is a 43 - year - old black man with no apparent past medical history who presented to the emergency room with the chief complaint of weakness , malaise and dyspnea on exertion for approximately one month .