Pope Francis’ official cause of death was from “a stroke and irreversible heart failure,” according to the Vatican doctor. The pontiff’s death certificate notes that he had fallen into a coma earlier in the day before he died. Pope Francis suffered from chronic lung disease and had part of his lung removed when he was a young man.

Pope Francis has died of a stroke and cardiac arrest following previous complications with double pneumonia, according to the Vatican. Here's what to know about the condition.

Pope Francis died of a cerebral stroke that put him into a coma, leading to heart failure, the Vatican has announced. The death was confirmed by Dr. Andrea Arcangeli, the head of the Vatican’s health department.