Clean living environment. Only fortune and opportunities can determine that, while you yourself can control the other two.
If one sees an individual with cardiac arrest, they are to check their surroundings and then they would exam the individual and determine if the victim is responsive; afterwards, the individual must alert their local emergency department. If the victim shows no sign of a pulse or is unable to breathe then they should begin with the AED rescue.
After the first AED shock has been delivered to the victim the individual performing the AED would begin CPR for two minutes. The AED would then analyze the patient again, since the AED provides very clear instructions the individual is to follow them until the paramedics arrive on the scene.
Okay, this is an interesting one but mainly no, most activity's will so you don't push yourself but if you really wanted to you could go for however long you want as long as you are not doing harm to your body, depending if you are on a fitness program there will be limits.
