Drug

Norepinephrine

Mechanism of Action: Strong beta1- and alpha-adrenergic effects and moderate beta2 effects, which increase cardiac output and heart rate, decrease renal perfusion and PVR, and cause variable BP effects

Drug

Magnesium sulfate

Mechanism of Action: Depresses CNS, blocks peripheral neuromuscular transmission, produces anticonvulsant effects; decreases amount of acetylcholine released at end-plate by motor nerve impulse.

Drug

Epinephrine

Mechanism of Action: Strong alpha-adrenergic effects, which cause an increase in cardio output and HR, a decrease in renal perfusion and PVR, and a variable effect on BP, resulting in systemic vasoconstriction and increased vascular permeability

Drug

Dobutamine

Mechanism of Action: Strong beta1 and weak beta2/alpha effects, resulting in increased cardiac output, blood pressure, and heart rate, as well as decreased peripheral vascular resistance

Drug

Dextrose 50%

Mechanism of Action: Parenteral dextrose is oxidized to carbon dioxide and water, and provides 3.4 cal/g of d-glucose

Drug

Calcium Chloride

Mechanism of Action: Bone mineral component; cofoactor in enzymatic reactions, essential for neurotransmission, muscle contraction, and many signal transduction pathways

Drug

Amiodarone

Mechanism of Action: Antiarrhythmic agent, which inhibits adrenergic stimulation; affects sodium, potassium, and calcium channels; markedly prolongs action potential and repolarization; decreases AV conduction and sinus node function.