1 Blockage in a coronary artery during or after a heart attack. 2  Blockage or narrowing of one or more coronary arteries that puts you at risk for a heart attack.  Narrowings that reduce blood flow and cause persistent chest pain (angina) that medicines do not control.
Harold Frederick Shipman (14 January 1946 â 13 January 2004) was a British doctor and one of the most prolific serial killers in recorded history.
A doctor by profession, he is among the most prolific serial killers in recorded history with 218 murders being positively ascribed to him, although the actual number is likely much higher.