Sounds like a lawyer looking for money and a sad widow without a clue about medicine. The comments are the article are painful.

"I had no idea he'd had an abnormal EKG," she says now. "If I had known, I never would have let him have the surgery."

Sounds like he had an abnormal ekg and then a negative stress test - not a big deal in my book. What are going to start to cathing everyone that doesn't have a perfect ekg. The problem here was clearly lots and lots of surgical bleeding - not a cardiac issue.