Can you please tell me how heart attacks and panic attacks differ?

Information: Heart attack is an anatomic problem with the heart. Panic attack is emotional.

Panic attacks can : Develop rapidly w sxs of: anxiety; rapid, pounding heart beat; chest tightness/pain; shortness of breath w hyperventilation; hot /cold flashes; sense of butterflies in stomach, nausea or vomiting; tingling of mouth or extremities; ^ sweating; feeling faint or lightheaded; headache or shaking, difficulty swallowing or tight throat; a sense that you aren't real or that the world around you is surre.