Tenormin I.V. Injection (Atenolol Inj) Drug Center: Guide to Drug Information for Professionals, Patients and Caregivers at RxList

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May 27, 2012

Tenormin IV Injection

Atrial Fibrillation »

What is atrial fibrillation?

Atrial fibrillation (AF) is the most common, abnormal rhythm of the heart.

The heart contracts (beats) and pumps blood with a regular rhythm, for example, at a rate of 60 beats per minute there is a beat every second. The heart may beat faster or slower with a shorter or longer interval between beats, but at any one rate the interval between beats is constant. This regular rhythm occurs as a result of regular electrical discharges (currents) that travel through the heart and cause the muscle of the heart to contract. In atrial fibrillation, the electrical discharges are irregular and rapid and, as a result, the heart beats irregularly and, usually, rapidly.

Atrial fibrillation is common; half a million new cases are diagnosed yearly in the U.S., and billions of dollars are spent annually on its diagnosis and treatment.

What causes atrial fibrillation?

Normal function of the he...

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Tenormin I.V. Injection

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Please Note: This Brand Name drug is no longer available in the US.
(Generic versions may still be available.)

Tenormin IV Injection Drug Center

Medical Editor: Charles Patrick Davis, MD, PhD

Prescribing Information

Tenormin (atenolol) (and Tenormin IV) is a beta blocking drug used mainly for control of hypertension, angina, for management of acute myocardial infarction and occasionally for thyroid storm management. Tenormin is available as generic atenolol in tablets and IV. Side effects of Tenormin may include dizziness, lethargy, mild bradycardia, depression, and mild shortness of breath for both preparations. Patients with bronchospastic disease, in general, should not take Tenormin or other beta-blockers.

Tenormin is available in 25, 50 and 100 mg strength tablets; it is also available vials of 5 mg atenolol in ten ml of citrate-buffered solution for intravenous injection. The IV preparation should only be administered by trained personnel. The usual dose for tablets begins at 25 mg once or twice per day and is modified by patient response to the medication. The following information applies to both the tablet and IV forms of atenolol. Serious side effects of Tenormin may include heart arrhythmias, hypotension, pulmonary emboli, chest pain, and bronchospasm. Use with calcium channel blockers (CCBs) may precipitate bradycardia. This medication should be used during pregnancy only when clearly needed. It may harm an unborn baby. This medication passes into breast milk and may have undesirable effects on a nursing infant. Consult the doctor before breastfeeding. Women taking Tenormin should discuss the risks and benefits with their doctor. Safety and effectiveness has not been established in pediatric patients.

Our Tenormin IV Injection Drug Center provide a comprehensive view of available drug information as well as related drugs, user reviews, supplements, and diseases, and conditions.

What is Prescribing information?

The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.

Tenormin IV Injection Prescribing Information: Indications & Dosage

Acute Myocardial Infarction

TENORMIN is indicated in the management of hemodynamically stable patients with definite or suspected acute myocardial infarction to reduce cardiovascular mortality. Treatment can be initiated as soon as the patient's clinical condition allows. (See DOSAGE AND ADMINISTRATION, CONTRAINDICATIONS, and WARNINGS.) In general, there is no basis for treating patients like those who were excluded from the ISIS-1 trial (blood pressure less than 100 mm Hg systolic, heart rate less than 50 bpm) or have other reasons to avoid beta bloc...

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