Vasopressors in Cardiac Arrest: Standard-Dose
EpinephrineALS 788
, primarily because of its α-adrenergic (ie, vasocon strictor) effects. These α adrenergic effects of epinephrine can increase coronary perfusion pressure and cerebral perfusion pressure during CPR. The value and safety of the β-adrenergic effects of epinephrine are controversial because they may increase myocardial work and reduce subendocardial perfusion. The 2010 Guidelines stated that it is reasonable to consider administering a 1-mg dose of IV/IO epinephrine every 3 to 5 minutes during adult cardiac arrest.