How Do You Prevent A Heart Attack While It's Happening? Warning Signs of Heart Attack The majority of the time, the inception of a heart attack happens slowly characterized by just mild pain and discomfort on your chest. In the case you encounter the following symptoms, call on emergency medical service (EMS) without delay.
 You feel ache and uneasiness in the chest, more than ever, at the center, lasting for more than a few minutes.  Alternatively, it engenders an intermittent throbbing condition that ebbs and surges.