I have a sharp pain, inside body under right breast, it last a second or 2 and has come back about 3-4 hours and this has been going on the last 12 or so hours?
I recommend you consult your physician as soon as you're able.
Here are two posts you may be interested in reviewing:
What are the Symptoms of Heart Attack in Women?The Signs and Symptoms of Heart Attack and Stroke - Re-Visited
All the best,
Lisa Nelson RD
Be Heart Healthy and Lose Weight