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.
Answer: Clinical Trials Phase III
Explanation: In order to check if a drug will work and what side effects the drug might have it has to be tested on test subjects so they can document everything that may happen.
In my opinion I’m mostly recommended that it’s true ?
