1. The possible reason for John's chest pain would be due to atrial fibrillation. This is a quick and uneven heart rate which causes heart failure and stroke.
3) John's teammates should take following actions at the scene: They should take him to a comfortable place, give him a semi-sitting position.
Hospitals don’t have regular hours
Answer:
Yes, the blood pressure and heart rate return to normal after 5 minutes of physical exercise as, ANS will detect the decreasing level of oxygen and activate parasympathetic system to normalize the heart rate. The increasing of heart rate does not cause the blood pressure to increase at the same rate. After 5 minutes it return to normal as when you exercise heart rate speed up so that is why more blood reach in the muscles so it cause high heart rate and blood pressure for some minutes.
Its b bud, I know that’s because I passed health class