The first and most important thing to do is to call 911 if you think a spouse or close friend may be having a heart attack. The quicker the EMS technicians arrive and begin treatment, the better the prognosis. Sometimes people hesitate to call 911 because they are not sure it’s really a heart attack. But 85% of the damage to the heart muscle occurs within the first 60 minutes after a heart attack. So even if your loved one tells you to wait, make the call—fast!
Watch for the signs of a possible heart attack: