While walking up a steep hill on a golf course, your golfing partner begins complaining of chest discomfort. he breaks out into a sweat, feels nauseous, and appears pale. what is the likely cause?

Heart Attack.

Explanation:

The most common symptoms of a heart attack are:

Syntoms differ form person to person, with different intesity. Some will have several of this syntomes, and some may have none.  

i do believe that the correct answer is   (technical reasoning); luck

explanation:

i r r e l e v a n t