Having pain on left side of heart under armpit near ribcage and stabbing pain under breastbone also shortness of breath every day. wat could this b?

Chest pains: Regardless, could be only muscle pain. However, pain in your chest with the symptoms you have described is a serious medical condition. It is always a red flag and appointment with your PCP for re-evaluation or a cardiologist is warranted. Take care.

Cardiac/PE: The two most worrisome diagnoses that come to mind are a cardiac event (a heart attack) or a blood clot in the lung (called a pulmonary embolus). Both are serious conditions for which you should seek immediate treatment. How long has this been going on?