<prompt> What is the alternative for Epinephrine in ACLS?Low dose dopamineVasopressinDesmopressinAtropine  <response>: Ref. API Textbook of Medicine. Pg. 284 Vasopressin was used as an alternative, but no more used in ACLSVasopressinIn high concentrations, it raises blood pressure by inducing moderate vasoconstriction, and it has been shown to be effective in asystolic cardiac arrestVasopressin also is thought to cause cerebral vessel dilation and theoretically increase cerebral perfusion.Vasopressin may be given IVIO or by endotracheal tube.40 units of vasopressin IVIO push may be given to replace the first or second dose of epinephrine 