An event in which the heart abruptly stops beating or develops an arrhythmia that prevents it from pumping blood effectively is called:

Ithink it is the last one sorry if i’m wrong

People need to distract themselves with actitives. they can also find a natural high. an example would be eating alot of meat. that meat can release dopamine to the brain which gives one a natural high feeling.

Pe.dometer would be the most useful to you for monitoring heart rate.