Drug Study - Epinephrine

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by: JJ, RN

Action:

Naturally occurring catecholamine obtained from animal adrenal glands; also prepared synthetically. Acts directly on both alpha and beta receptors; the most potent activator of alpha receptors. Strengthens myocardial contraction; increases systolic but may decrease diastolic blood pressure; increases cardiac rate and cardiac output.

Classifications:

AUTONOMIC NERVOUS SYSTEM AGENT; ALPHA- AND BETA-ADRENERGIC AGONIST; BRONCHODILATOR

Indication:

Temporary relief of bronchospasm, acute asthmatic attack, mucosal congestion, hypersensitivity and anaphylactic reactions, syncope due to heart block or carotid sinus hypersensitivity, and to restore cardiac rhythm in cardiac arrest. Ophthalmic preparation is used in management of simple (open-angle) glaucoma, generally as an adjunct to topical miotics and oral carbonic anhydrase inhibitors; also used as ophthalmic decongestant. Relaxes myometrium and inhibits uterine contractions; prolongs action and delays systemic absorption of local and intraspinal anesthetics. Used topically to control superficial bleeding.

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