(CBS News) Dick Clark died from a heart attack after undergoing prostate surgery the day before, according to the death certificate obtained by TMZ.
The TV and radio host underwent the surgery on April 17 at St. John's Hospital in Santa Monica.
"He had very minor prostate surgery," Clark's good friend Congressman David Dreier told Extra. "All of a sudden, he got a feeling in his arm about 9:30 [Wednesday] morning and he was gone by 11:15. It turned out to be a massive heart attack."
The certificate states Clark died from acute myocardial infarction, commonly known as a heart attack, on April 18. He was 82.