anti anginal drugs kya hoti h?
Answers
Answer:
An antianginal is a drug used in the treatment of angina pectoris, a symptom of ischaemic heart disease.
Examples
Drugs used are nitrates, beta blockers, or calcium channel blockers.
Nitrates
Main article: Nitrovasodilator
Nitrates cause vasodilation[1] of the venous capacitance vessels by stimulating the endothelium-derived relaxing factor (EDRF). Used to relieve both exertional and vasospastic angina by allowing venous pooling, reducing the pressure in the ventricles and so reducing wall tension and oxygen requirements in, the heart. Short-acting nitrates are used to abort angina attacks that have occurred, while longer-acting nitrates are used in the prophylactic management of the condition.
Agents include nitroglycerin (glyceryl trinitrate) or pentaerythritol tetranitrate, isosorbide dinitrate and isosorbide mononitrate.triglycerol nitrate
Beta blockers
Beta blockers are used in the prophylaxis[2] of exertional angina by reducing the myocardial oxygen demand below the level that would provoke an angina attack.
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What are antianginal drugs used for?
Antianginal. An antianginal is any drug used in the treatment of angina pectoris, a symptom of ischaemic heart disease.
Examples of antianginal agents include:
- Nitrates (eg, isosorbide dinitrate, isosorbide mononitrate, nitroglycerin). ...
- Calcium antagonists (eg, diltiazem, nifedipine, nimodipine, verapamil). ...
- Beta blockers (eg, atenolol, pindolol, propranolol, metoprolol). ...
- Ranolazine.
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