I have had blood work, a ct scan an x-ray and a stress test done on my heart and they say its all good. what does that mean and what do those test show about my heart?

Evaluation of chest pain and/or shortness of breath can be very extensive. I check complete blood count, metabolic panel, cardiac enzymes, thyroid function to name a few. A chest x-ray gives me a snapshot of the chest anatomy. A CT scan with contrast can tell me if there are blood clots in the lungs and lung structure. A graded exercise treadmill can tell me exercise capacity and cardiac function.