Regis Philbin's cause of death has been released by authorities and the TV Host died of a heart attack.
According to the Chief Medical Examiner's Office in Farmington, Connecticut where Philbin lived, the TV legend died of a 'Myocardial infarction due to coronary artery disease.'
In other words, Regis passed away after suffering a heart attack caused by blockages in the arteries of the heart.
The coroner's office also revealed Philbin suffered from 'hypertension,' or high blood pressure. As we reported, the TV legend died several days ago at the age of 88.