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 and irreversible heart failure, the Vatican’s top doctor said Monday. The stroke led to a coma and “irreversible cardiocirculatory collapse,” Dr. Andrea Arcangeli, the head of the Vatican’s health department, said in a statement reported by multiple news outlets.

The Vatican has released Pope Francis’ death certificate, revealing the 88-year-old pontiff’s cause of death on Monday, ABC News reported. His official death certificate states Francis passed away in his Vatican apartment at 7:35 a.