Interesting point from Amal Mattu. What historical factors of CP are predictive of ACS? 1) association with diaphoresis 2) association with vomiting 3) association with exertion 4) radiating to both arms or right arm All others are not predictive, including: sub-sternal pressure, lightheadedness, nausea, and dyspnea. Sources: 1. Swap CJ, Nagurney JT. ValueRead more