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Vasopressin

Vasopressin

Vasopressin is no longer being used in the field. The below information is for education only. Contact your EMS Bureau for more information.

CLASS

Posterior pituitary hormone

DOSAGE

    Adult: 40 units IV push or ET.

ACTIONS

    Vasopressin is the naturally occurring antidiuretic hormone. In unnaturally high doses much higher than those needed for antidiuretic hormone effects vasopressin acts as a non-adrenergic peripheral vasoconstrictor. Vasopressin acts by direct stimulation of smooth muscle V1 receptors. In recent studies, after a short duration of ventricular fibrillation, vasopressin during CPR increased coronary perfusion pressure, vital organ blood flow, ventricular fibrillation median frequency, and cerebral oxygen delivery.

INDICATIONS

    Vasopressin is indicated for shock-refractory VF and VT without a pulse.

CONTRAINDICATIONS

    None in the adult cardiac arrest. Not idicated in children under 12 years old

WARNINGS

    None in cardiac arrest.

SIDE EFFECTS

    None in cardiac arrest.

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