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Tenormin IV Injection

Angina »

Introduction to angina

Chest pain is a common symptom that is caused by many different conditions. Some causes require prompt medical attention, such as angina, heart attack, or tearing of the aorta. Other causes of chest pain that may not require immediate medical intervention include spasm of the esophagus, gallbladder attack, or inflammation of the chest wall. An accurate diagnosis is important in providing proper treatment to patients with chest pain.

The diagnosis and treatment of angina is discussed below, as well as the diagnosis of other causes of chest pain that can mimic angina.

What is angina, and what are the symptoms of angina?

Angina (angina pectoris - Latin for squeezing of the chest) is chest discomfort that occurs when there is a decreased blood oxygen supply to an area of the heart muscle. In most cases, the lack of blood supply is due to a narrowing of the coronary arteries as a result of arterioscler...

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Tenormin I.V. Injection

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

TENORMIN®
(atenolol) I.V. Injection

DRUG DESCRIPTION

TENORMIN® (atenolol), a synthetic, beta1-selective (cardioselective) adrenoreceptor blocking agent, may be chemically described as benzeneacetamide, 4-[2'-hydroxy-3'- [(1 methylethyl)amino]propoxy]-. The molecular and structural formulas are:

C14H22N2O3

Atenolol (free base) has a molecular weight of 266. It is a relatively polar hydrophilic compound with a water solubility of 26.5 mg/mL at 37°C and a log partition coefficient (octanol/water) of 0.23. It is freely soluble in 1N HCl (300 mg/mL at 25°C) and less soluble in chloroform (3 mg/mL at 25°C).

TENORMIN for parenteral administration is available as TENORMIN I.V. Injection containing 5 mg atenolol in 10 mL sterile, isotonic, citrate-buffered, aqueous solution. The pH of the solution is 5.5-6.5.

Inactive Ingredients: Sodium chloride for isotonicity and citric acid and sodium hydroxide to adjust pH.

Last reviewed on RxList: 9/10/2005
This monograph has been modified to include the generic and brand name in many instances.

Additional Tenormin I.V. Injection Information

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