Sen. Mitch McConnell was released from a rehab facility today and will now head home to continue his recovery. Advertisement🚨 MAJOR UPDATE: New audio reveals Sen. Mitch McConnell was in full cardiac arrest! A heart attack involves a lack of blood to the heart which causes damage to the muscle. But cardiac arrest can be caused by a problem with the heart's electrical signals. My fellow Americans: Mitch McConnell is almost certainly dead, so how exactly is he still voting in Congress?