Antianginals
Circulatory System Drugs
- Lipid Regulators
- Antianginals
- Calcium Channel Blockers
- Anticongestive Heart Failure Drugs
- Antihypertensives
- Antiarrhythmics
- Shock Vasoactive Drugs
- Other Cardiovascular Drugs
- ACE Inhibitors and ARBs
- Peripheral Vasodilators
- β-Adrenergic Receptor Blockers
- Chronic Heart Failure Therapeutics
- Antiatherosclerotic Drugs
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Antianginals
Antianginal drugs relieve chest pain caused by myocardial ischemia by improving coronary blood flow, reducing cardiac workload, or optimizing oxygen supply–demand balance. Key classes include nitrates, β-blockers, calcium channel blockers, and metabolic modulators. Nitrates provide rapid symptom relief by dilating veins and coronary arteries, thereby reducing preload and enhancing perfusion. β-blockers decrease heart rate and contractility, lowering oxygen consumption. Calcium channel blockers improve coronary vasodilation and reduce afterload. Metabolic agents such as trimetazidine improve myocardial efficiency under ischemic conditions. Antianginals are essential in stable and unstable angina, post-MI management, and long-term ischemic heart disease therapy. Monitoring is needed to avoid tolerance, hypotension, or bradyarrhythmias. These agents remain fundamental in symptomatic management and ischemic protection.
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