Yes, it COULD and may be a sign of a potential heart attack
or stroke. Note for any other bodily signs such as dizziness, blurred vision
, impaired speech, etc.
OR it may be a symptom called angina:
is chest pain
due to ischemia (a lack of blood and hence oxygen supply) of the heart muscle, generally due to obstruction or spasm of the coronary arteries (the heart's blood vessels).