去甲肾上腺素 (Levophed)

概览

Norepinephrine is a sympathomimetic used in the control of blood pressure during various hypotensive states and as an adjunct treatment during cardiac arrest.

作用机制

Norepinephrine functions as a peripheral vasoconstrictor by acting on alpha-adrenergic receptors. It is also an inotropic stimulator of the heart and dilator of coronary arteries as a result of it's activity at the beta-adrenergic receptors.

适应症

Mainly used to treat patients in vasodilatory shock states such as septic shock and neurogenic shock and has shown a survival benefit over dopamine. Also used as a vasopressor medication for patients with critical hypotension.

• Cardiac Arrest
• Severe hypotension
• Shock
• Acute, severe Hypotension
• Septic shock