Esmolol, commonly marketed under the trade name Brevibloc, is a cardioselective beta-1 receptor blocker. It has a rapid onset but short duration of action without causing significant intrinsic sympathomimetic or membrane stabilizing activities at recommended therapeutic doses. It works by blocking beta-adrenergic receptors in the heart, which leads to decreased force and rate of heart contractions. Esmolol prevents the action of two naturally occurring substances: epinephrine and norepinephrine.
The FDA withdrew its approval for the use of all parenteral dosage form drug products containing esmolol hydrochloride that supply 250 milligrams/milliliter of concentrated esmolol per 10-milliliter ampule. Other esmolol formulations are still available for use.
For the rapid control of ventricular rate in patients with atrial fibrillation or atrial flutter in perioperative, postoperative, or other emergent circumstances where short term control of ventricular rate with a short-acting agent is desirable. Also used in noncompensatory sinus tachycardia where the rapid heart rate requires specific intervention.
Wake Forest Health Sciences, Winston-Salem, North Carolina, United States
Kasr alainy medical school, Cairo, Egypt
Hospital de Base do Distrito Federal, Brasília, DF, Brazil
Faculty of Medicine, Zagazig, Elsharkia, Egypt
Noll Laboratory, University Park, Pennsylvania, United States
Ramymahrose, Cairo, Egypt
Deenanath Mangeshkar Hospital and Research Center, Pune, Maharashtra, India
M.S. Ramaiah Medical College and Hospital, Bangalore, Karnataka, India
Sapthagiri Institute of Medical Sciences and Research Centre, Bangalore, Karnataka, India
Hospital de Base do Distrito Federal, Brasilia, DF, Brazil
Beni-Suef University Hospital, Banī Suwayf, Egypt
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