It is best to divide the causes of '''chest pain''' into systems: cardiac, pulmonary, gastrointestinal, musculoskeletal, hematologic, psychiatric, and other bullsh*t.
#''Cardiac '' - The old ticker is potentially a ticking time bomb, and that's we have to take it seriously. The list of cardiac causes runs long: * Myocardial ischemia- This results from [[Supply-Demand Mismatch|supply-demand mismatch]] and can manifest as angina, unstable angina, NSTEMI, and STEMI* Aortic dissection-
* Pericardiitis
