Pulmonary Thromboendarterectomy

Every year, nearly 100,000 people die from blood clots in the lungs. Steve, 54, came close to being one of those fatalities. Watch as doctors perform a pulmonary thromboendarterectomy, a potentially life-threatening surgery that makes the patient's heart stop for 20 minutes and drains his blood, which allows them to see and remove the clots.
The following video contains footage of actual medical procedures and is graphic in nature.