Patients who survive a heart attack often need coordinated care to address the mental, not just physical, aftermath.

The following are some basic steps. ... Orient yourself to the cardiac cycle by feeling the carotid or brachial pulse. In each location, listen carefully to the first (S1) ...

Doing CPR right away can double or even triple a person’s chance of surviving cardiac arrest. Learn these CPR steps now so you know what to do if someone is experiencing a life-threatening ...

A cardiac cycle lasts about 0.8 seconds, or 800 milliseconds. (A millisecond is one one-thousandth of a second.) Commotio cordis takes place within a 20- to 40-millisecond window of the cardiac cycle.