If you don't have an old EKG, make an old EKG by getting serial EKG's.
Know your epinepherine dosing for anaphylaxis
For Adults 0.3mg-0.5mg 1:1000 IM repeat as necessary. For anaphylactic shock 0.1mg 1:10,000 IV slow
Chest pain that radiates to both arms is highly specific for cardiac chest pain. Chest pain that radiates to left arm is non-spcific for cardiac chest pain. Chest pain that radiates to right arm is more specific for cardiac pain than for left arm pain.