Antianginal Drugs
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The document discusses different types of angina pectoris and treatments for angina. It defines typical angina, variant angina, and unstable angina. It then explains drugs that can be used to treat angina by decreasing oxygen demand and/or increasing oxygen supply, including nitrates, calcium channel blockers, and beta blockers. Nitrates are described as being effective for treating acute angina by dilating blood vessels and reducing workload on the heart. Calcium channel blockers and beta blockers are also outlined as treatments that decrease oxygen demand. Combination therapies are noted to provide additive effects in managing angina.
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Angina pectoris is chest pain due to reduced blood flow to the heart muscle. It usually occurs when the heart's arteries are narrowed or blocked. There are different types of angina including stable angina, unstable angina, and variant angina. Tests used to diagnose angina include EKGs, blood tests, chest x-rays, cardiac catheterization, and CT scans. Treatment includes lifestyle changes, medications like nitrates, calcium channel blockers, and antihypertensive drugs, as well as cardiac procedures and rehabilitation.
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This document discusses various anti-anginal drugs used to treat angina pectoris. It describes three main classes of drugs: nitrates, beta-blockers, and calcium channel blockers. Nitrates work by dilating blood vessels to increase oxygen supply and decrease oxygen demand. Beta-blockers lower heart rate and contractility to reduce myocardial oxygen consumption. Calcium channel blockers inhibit calcium entry into cardiac and vascular muscle to produce vasodilation and reduce myocardial work. Combination therapy using drugs from different classes is often most effective for treating angina due to their additive effects on myocardial oxygen balance.
angina and IHD -AHS by Gowtham sap
Angina pectoris is chest pain due to ischemia of the heart muscle. It is usually felt as a tightness or pressure in the middle of the chest that may spread to the neck, jaw, or arm. There are three main types - stable angina brought on by exertion, unstable angina that occurs at rest, and Prinzmetal or variant angina caused by coronary artery spasm. Treatment involves medications to relieve symptoms like nitrates, beta blockers, calcium channel blockers, and newer drugs that open potassium channels or have a cytoprotective effect. Combination therapy with two or more classes is often used for better management of angina.
angina ppt.ppt
1) Angina pectoris is characterized by chest pain due to myocardial ischemia. There are three main types: typical (classical), variant, and unstable angina.
2) Typical angina is induced by exercise and associated with atherosclerosis. Variant angina occurs at rest and is caused by coronary vasospasm. Unstable angina involves coronary spasm and atherosclerosis with longer, worsening chest pain.
3) Treatment involves decreasing oxygen demand and increasing supply. Nitrates, calcium channel blockers, and beta blockers are commonly used either alone or in combination to relieve angina by reducing preload, afterload, heart rate, and contractility.
Antianginals - pharmacology
principle action of drugs,types of angina classification of drugs ,nitrates,calcium channel blockers pharmacological actions ,combination therapy and its sid effects
CVS-_Angina_Pectoris.pdf
Pharmacology Lecture Slides on Angina Pectoris by Sanjaya Mani Dixit Assistant Professor of Pharmacology at Kathmandu Medical College
Pharma seminar new version
The document discusses various drugs used to treat angina pectoris and myocardial infarction. It describes the classes of drugs which include nitrates, beta blockers, calcium channel blockers, nicorandil, aspirin, ACE inhibitors, and captopril. It explains the mechanisms of action, pharmacokinetics, indications, contraindications and side effects of these drug classes and examples like nitroglycerin, atenolol, nifedipine, verapamil, aspirin, and captopril.
Recent advances in ischemic heart diseases
This document provides an overview of ischemic heart diseases and recent advances in treatment. It discusses the types of angina pectoris and myocardial infarction. Current treatment strategies include nitrates, beta blockers, calcium channel blockers, and potassium channel openers. Newer agents that are discussed include trimetazidine, ranolazine, and ivabradine which lower cardiac oxygen demand and improve symptoms of angina. Combination therapies are also used to maximize antianginal effects while minimizing side effects.
PH1.28 Describe the mechanisms of action, types, doses, side effects, indicat...
PH1.28 Describe the mechanisms of action, types, doses, side effects, indicat...Dr Pankaj Kumar Gupta
PH1.28 Describe the mechanisms of action, types, doses, side effects, indications and contraindications of the drugs used in ischemic heart disease (stable, unstable angina and myocardial infarction), peripheral vascular diseasePharmacology angina
This document discusses antianginal drugs used to treat angina pectoris, or chest pain caused by reduced blood flow to the heart. There are three main classes of drugs used: organic nitrates, beta-blockers, and calcium channel blockers. Organic nitrates like nitroglycerin work by dilating blood vessels to increase blood flow to the heart and reduce its workload. Beta-blockers lower the heart rate and force of contraction to decrease oxygen demand. Calcium channel blockers inhibit calcium entry into heart and blood vessel cells to relax vessels and reduce workload. Each drug class is described in more detail regarding mechanisms, effects, pharmacokinetics, uses, and side effects.
Pathophysiological approach of Angina Pectoris
This document discusses different types of angina and drugs used to treat them. It defines angina as chest pain caused by inadequate blood flow to the heart. The main types of angina discussed are stable angina, unstable angina, and Prinzmetal's variant angina. The document outlines several classes of drugs used to treat angina, including nitrates, beta-blockers, calcium channel blockers, and some newer drugs. It provides details on the mechanisms and effects of these drug classes and recommendations for treating different angina types.
Antianginal drugs
This document summarizes different types of angina pectoris and treatments for it. It describes:
- The main causes of angina pectoris including atherosclerosis and coronary vasospasm.
- Classes of drugs used to treat angina including nitrates, beta blockers, calcium channel blockers, and others.
- The mechanisms of these drugs in reducing oxygen demand on the heart and increasing oxygen supply such as dilating blood vessels and reducing heart rate/contractility.
- Guidelines for use of different drug classes for stable angina, unstable angina, and variant angina. Potential side effects and cautions for combinations are also outlined.
Anti anginal drugs.
This presentation discusses angina pectoris and its treatment. It is caused by an imbalance between myocardial oxygen supply and demand. There are three main types of angina - stable, variant, and unstable - depending on the triggers and severity. The main classes of drugs used to treat angina are organic nitrates, beta-blockers, and calcium channel blockers. Nitrates work by dilating blood vessels to reduce preload and afterload. Beta-blockers decrease heart rate and contractility to lower oxygen demand. Calcium channel blockers dilate coronary arteries and reduce afterload. The presentation discusses the mechanisms and effects of representative drugs from each class.
Anti Anginal Drugs and its side affect and uses
This document discusses anti-anginal drugs used to treat angina pectoris. There are three main classes of drugs: nitrates, beta blockers, and calcium channel blockers. Nitrates work by reducing preload and afterload, increasing coronary blood flow and oxygen supply. Beta blockers decrease oxygen demand by lowering heart rate and contractility. Calcium channel blockers increase oxygen supply by dilating coronary arteries and reduce afterload by decreasing peripheral resistance. The document provides details on the mechanisms, effects, and examples of drugs in each class.
PH1.28 Angina pectoris MANI.ppt
This document provides learning objectives and content on the management of ischemic heart disease. It defines stable and unstable angina, describing their underlying pathologies. It classifies drugs used to treat angina, describing the mechanisms of action, uses, and side effects of nitrates, calcium channel blockers, beta blockers, nicorandil, and ivabradine. The management of myocardial infarction is also covered, outlining treatment strategies for pain, oxygenation, hemodynamics, arrhythmias, and use of antiplatelet/anticoagulant drugs and thrombolysis.
Anti-anginal Drugs pharmacology moa uses
The document discusses drugs used for the treatment of angina pectoris. It details the pharmacology of various antianginal drugs including nitrates, calcium channel blockers, beta blockers, and potassium channel openers. The mechanisms of action, indications, and side effects of these drug classes are explained in relation to managing the imbalance between myocardial oxygen supply and demand in angina.
03. Angina pectoris.ppt
This document discusses angina pectoris, including its causes, risk factors, classifications, and treatments. Angina is chest pain due to an imbalance between myocardial oxygen demand and supply. It is classified into four types based on triggers and severity. Treatment includes short-acting nitrates for acute attacks and long-acting options like nitrates, calcium channel blockers, and beta-blockers for prophylaxis. Additional therapies discussed are potassium channel openers, fatty acid oxidase inhibitors, and antiplatelets/anticoagulants. Combination drug regimens and surgical options are also outlined for management of angina.
36 angina
The document discusses the use of organic nitrates and calcium antagonists to treat angina. It provides details on their mechanisms of action, pharmacological effects, and clinical uses. Specifically, it explains that organic nitrates act by relaxing smooth muscle and increasing cGMP, while calcium antagonists prevent the opening of voltage-gated calcium channels. Both drug classes are used to reduce cardiac oxygen demand and redistribute blood flow for the treatment of stable and unstable angina.
Anti-Angina & Anti arryhthias Drugs .ppt
This document discusses drugs used to manage angina and arrhythmias, and current guidelines for managing acute coronary syndrome (ACS). It describes the classification and pathophysiology of angina, then focuses on pharmacological management including nitrates like nitroglycerin, calcium channel blockers like nifedipine, beta blockers like atenolol, and alpha/beta blockers like carvedilol. It provides details on their mechanisms of action, indications, interactions, and side effects in treating conditions like angina, heart failure and ACS.
Angina drugs used
This document discusses various drug treatments for angina. It covers nitrates like nitroglycerin and isosorbide dinitrate which work by dilating veins and arteries to reduce blood pressure and oxygen demands on the heart. It also discusses beta blockers like propranolol which lower heart rate and contractility to reduce oxygen needs, and calcium channel blockers like diltiazem which increase blood flow to boost oxygen supply. Finally, it mentions antiplatelet drugs like aspirin that are recommended indefinitely to reduce heart attack risk.
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- 1. Antianginal Drugs Claro M. Isidro M.D.
- 17. Potential Deleterious Effects Deleterious Effects Results Reflex tachycardia Increase myocardial oxygen requirement Reflex increase in contractility Decrease diastolic perfusion Decrease myocardial perfusion
- 18. ROUTES OF ADMINISTRATION 1. Sublingual route – rational and effective for the treatment of acute attacks of angina pectoris. Half-life depend only on the rate at which they are delivered to the liver. 2. Oral route – to provide convenient and prolonged prophylaxis against attacks of angina 3. Intravenous Route – useful in the treatment of coronary vasospasm and acute ischemic syndrome. 4. Topical route – used to provide gradual absorption of the drug for prolonged prophylactic purpose .
- 19. Drug Usual single dose Route of administration Duration of action Short acting Nitroglycerin 0.15-1.2 mg sublingual 10 - 30 min Isosorbide dinitrate 2.5-5 mg sublingual 10 – 60 min Amyl nitrite 0.18 – 3 ml inhalation 3 – 5 min Long acting Nitroglycerin sustained action 6.5 – 13 mg q 6-8 hrs oral 6 – 8 hrs Nitroglycerin 2% ointment 1 – 1.5 inches q hr topical 3 – 6 hrs Niroglycerin slow released 1 –2 mg per 4 hrs Buccal mucosa 3 – 6 hrs Nitroglycerin slow released 10 – 25 mg /24hrs (one patch/day} transdermal 8 –10 hrs Isosorbide dinitrate 2.5 – 10 mg per 2 hrs sublingual 1.5 – 2 hrs Isosorbide dinitrate 10 –60 mg per 4-6 hrs oral 4 – 6 hrs Isosorbide dinitrate chewable 5 – 10 mg per 2-4 hrs oral 2 – 3 hrs Isosorbide mononitrate 20 mg per 12 hrs oral 6 –10 hrs
- 34. Type of Angina Other Names Description Drug Therapy STABLE Classic Exertional Fixed Atherosclerotic Obstruction coronary artery Nitrates CCB B-blockers VARIANT Prinzmetal’s Vasospasmic Vasospasm at any time Nitrates CCB UNSTABLE Crescendo Combined effect Pre= MI Nitrates CCB