[Steve Van Doorn]

Again. Pericardial Tamponade requires a pre-condition of fluid.
This player was on the field. He wouldn't have made it through the warm up.
The man you tried to save would've known he had a problem before the fight. He wouldn't feel very good

[David Chase]

The sac which surrounds the heart Is Already filled with fluid.
That’s normal.

It when is becomes over filled is when the problem occurs.

No one can argue with the Cleveland Clinic when it comes to Cardiac issues.

https://my.clevelandclinic.org/health/diseases/21906-cardiac-tamponade