DDx of Chest Pain: A 9 P SUM

A ortic aneurysm, e.g. dissection

P sychosomatic or musculoskeletal
P ericardtitis
P leurisy
P UD or GERD
P eptic stricture or esophageal spasm
P neumothorax
P PH – primary pulmonary hypertension
P rolapse, e.g. mitral valve prolapse (MVP)
P rinzmetal angina

S table angina
U nstable angina
M I