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home > drugs a-z list > visken (pindolol) drug center > visken (pindolol) drug - medication guide and patient information
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Visken
What are beta blockers and how do they work?
Beta blockers, also known as beta-adrenergic blocking agents, are a class of drugs that works by blocking the neurotransmitters norepinephrine and epinephrine from binding to receptors. There are three known types of beta receptors, known as beta1 (β1), beta2 (β2) and beta3 (β3).
- β1-adrenergic receptors are located commonly in the heart and kidneys.
- β2-adrenergic receptors are located mainly in the lungs, gastrointestinal tract, liver, uterus, vascular smooth muscle, and skeletal muscle.
- β3- adrenergic receptors are located in fat cells.
When the neurotransmitters are prevented from binding to the receptors, it in turn causes the effects of adrenaline (epinephrine) to be blocked. This action allows the he...
Visken
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PATIENT INFORMATION
Patients, especially those with evidence of coronary artery insufficiency, should be warned against interruption or discontinuation of Visken ® (pindolol) therapy without the physician's advice. Although cardiac failure rarely occurs in properly selected patients, patients being treated with beta-adrenergic blocking agents should be advised to consult the physician at the first sign or symptom of impending failure.
Last reviewed on RxList: 2/13/2008
This monograph has been modified to include the generic and brand name in many instances.
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