Here's an overview of some important antianginal drugs, categorized by their primary mechanisms of action_

Here's an overview of some important antianginal drugs, categorized by their primary mechanisms of action:

Organic Nitrates:

Nitroglycerin (Glyceryl trinitrate)

Isosorbide dinitrate

Isosorbide mononitrate

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Beta-Blockers:

Propranolol

Metoprolol

Atenolol

Bisoprolol

Carvedilol

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Calcium Channel Blockers:

a) Dihydropyridines:

Nifedipine

Amlodipine

Felodipine

b) Non-dihydropyridines:

Verapamil

Diltiazem

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Potassium Channel Openers:

Nicorandil

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Late Sodium Current Inhibitor:

Ranolazine

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If Channel Inhibitor:

Ivabradine

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Metabolic Modulators:

Trimetazidine

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Vasodilators:

Dipyridamole

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Antiplatelet Agents (often used in combination):

Aspirin

Clopidogrel

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Angiotensin-Converting Enzyme (ACE) Inhibitors:

Ramipril

Enalapril

Lisinopril

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Angiotensin Receptor Blockers (ARBs):

Losartan

Valsartan

Telmisartan

These drugs work through various mechanisms to improve blood flow to the heart, reduce cardiac workload, or modify metabolic processes to alleviate angina symptoms. The choice of medication depends on the patient's specific condition, comorbidities, and individual response to treatment. Often, a combination of these drugs is used for optimal management of angina pectoris.