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75 Cards in this Set
- Front
- Back
What does Angina pectoris mean?
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Pain in the chest
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Where does the pain from angina pectoris come from?
Where does the most common cause of this phenomenum come from? Where can it also result from? |
- Ischemia (hypoxia) in the coronary arteries
- Coronary artery atherosclerosis = reduced oxygen delivery to the myocardium - Vasospasm |
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Where does Angina pectoris present itself?
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Massive pain radiating in the left arm, back, or jaw
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What commonly accompanies Angina symptoms?
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Fear
Anxiety Feeling Suffocated Tight chest |
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What are the three types of Angina pectoris?
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Chronic stable angina (exertional)
Variant angina (Prinzmetal’s) Unstable angina (Pre-infarction angina) |
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What are the different antianginal classes of drugs?
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- Nitrates and Nitrites
- Β-Adrenergic Receptor Blockers - Ca++ Channel Blockers - Ranolazine (Ranexa) |
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What antianginal drugs apply direct relaxation of vascular smooth muscle by the metabolite nitric oxide (NO), resulting in vasodilation in first veins in low doses and then in arteries at higher doses
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Nitrates an Nitrites
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What are the Nitrates and Nitrite drugs that are used in antianginal therapy?
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Nitroglycerin
Isosorbide Mononitrates |
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What drug is used for acute angina symptoms and prophylaxis of angina symptoms?
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Nitroglycerin
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What are the two forms of isosorbide mononitrates
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Immediate release and sustained release
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What are the adverse effects of using Nitrates and Nitrites?
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- Headache (most common) – dilation of meningeal arteries
- Orthostatic hypotension resulting in reflex tachycardia, cerebral ischemia, weakness, dizziness, flushing, and syncope - Risk of methemoglobinemia with large doses - Tolerance with long-acting preparations |
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What are the drug interactions that must be considered when using Nitrates and Nitrites?
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Should NOT be used in patients taking sildenafil or similar drugs because of prolonged hypotension
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What are the contraindications for using Nitrates and Nitrites?
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Amyl nitrate should NOT be used in pregnant women
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What is the mechanism of action for B-adrenergic receptor blockers?
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Prevent binding and receptor activation by epinephrine, norepinephrine, and exogenously
administered adrenergic agonists in tissues regulated by B-adrenergic receptors |
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What are the B-adrenergic receptor blocking drugs?
What is the most common? |
Propranolol (Inderal) - most common
Metoprolol (Lopressor) Atenolol (Tenormin) Nadolol (Corgard) |
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What are the positive effects of using B-adrenergic receptor blockers?
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Treating Angina include decreased HR
Depressed myocardial contractility Decreased cardiac output Some reduction BP |
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What are the adverse effects of using B-adrenergic receptor blockers?
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CNS effects – depression, drowsiness, and dreams/insomnia
Cardiovascular effects - hypotension, and decreased HR General autonomic effects – diarrhea, nasal stuffiness, xerostomia, asthma, fluid retention |
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What are the interactions and contraindications to using B-adrenergic receptor blockers?
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- Risk of hypertensive episode w/ administration of local anesthetic agents that contain vasoconstrictors
- Opiods and other CNS depressants should be used with caution |
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What is the mechanism of action for Ca++ channel blockers?
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Blocking the slow Ca++ current in vascular smooth muscle and cardiac muscle
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What are the Ca++ channel blockers?
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Diltiazem (Cardizem)
Verapamil (Verelan or Calan) Nifedipine (Procardia) Felodipine Amlodipine(Norvasc) |
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Ca++ blockers have been shown to be effective in treating what?
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- Prophylactic treatment of Angina
- Supraventricular tachyarrhythmias and hypertension |
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What are the general adverse effects of using Ca++ blockers?
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- Dizziness, headache, and nausea
- Systemic vasodilation – heat, facial flushing, hypotension, reflex tachycardia and peripheral edema |
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What Ca++ blocking drugs can cause decreased HR?
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Diltiazem and Verapamil
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What Ca++ blocking drugs influence gingival enlargement with long-term
treatment? |
Verapamil, diltiazem, nifedipine, and
felodipine |
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What are the contraindications for using Ca++ blocking drugs?
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Use with B-blockers may increase the blockade of the AV node
conduction |
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What is the mechanism of action for Ranolazine (Ranexa)?
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Mechanism not well understood
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What is the pharmacotherapy for Ranolazine (Ranexa)?
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Approved for chronic stable angina for use as combination therapy when angina is not well controlled
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What are the adverse effects of taking Ranolazine (Ranexa)?
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Most common: constipation, nausea, dizziness, and
headache Rare: tinnitus, vertigo, and dry mouth |
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What are the drug interactions to be aware of when using Ranolazine (Renexa)?
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Drugs that can cause QT prolongation
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What are the contraindications for using Ranolazine (Renexa)?
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Avoid use in patients with congenital long QT syndromes
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When is combination therapy applied for patients who have angina pectoris?
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When a patient becomes intolerant or continues to have angina with an optimal dosage of a single medication
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Cholesterol plays an essential role in human life as an important component of _____ and a precursor of _____ and _____ in addition to its role in _____
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cell membranes, steroid hormones, bile acids, triglyceride transport
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How can high blood cholesterol levels cause premature death?
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Coronary Artery disease
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What disease is the primary cause of premature death which is caused by deposition of cholesterol in the arteries?
What does this disease deposit in large arteries? |
Atherosclerosis
Plaques |
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What are the guidelines for patient cholesterol management?
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Pharmacotherapy and lifestyle changes
Increased exercise and decreased fat and cholesterol intake |
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What are the pharmacotherapy classes of drugs that are used as lipid lowering drugs?
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- Fibric Acid derivatives
- Nicotinic Acid - Bile Acid sequestrants - 3-Hydroxy-3-Methylglutaryl-Coenzyme A Reductase Inhibitors - Cholesterol Absorption Inhibitors - Fish oils |
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Fibric Acid derivatives Increase the activity of _____, decrease the _____, and increase _____ in mitochondria and peroxisomes
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extrahepatic lipoprotein lipase, hepatic synthesis of fatty acids, hepatic fatty acid oxidation
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Fibric Acid derivatives influence all the _____, but are most effective in
familial type _____ and in patients with elevated _____ concentrations |
lipoproteins, 3 hyperlipoproteinemia, VLDL
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Fibric Acid derivatives cause Inhibition of _____ and an increase in the _____, promote a reduction in LDL
in patients without coexisting _____. |
cholesterol synthesis, biliary excretion of cholesterol, hypertriglyceridemia
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What are the fibric acid derivative drugs?
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Gemfibrozil (Lopid)
Fenofibrate (Tricor) |
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The effects of Gemfibrozil (Lopid) is that it
- decreases the concentrations of ______ - Increases _____ - Decreases _____ by 34% over 5 years |
- Blood triglycerides, cholesterol, VLDL, IDL, and sometimes LDL
- HDL - myocardial infarction |
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What are the adverse effects for using Fibric acid derivatives?
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Gastrointestinal disturbances and cholelithiasis
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What is the contraindication for using Gemfibrozil by itself?
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Enhances the action of oral anticoagulants
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What drugs are contraindicated with Gemfibrozil use?
What is their combined action? |
- HMG-CoA reductase inhibitors
- Increased risk of rhabdomyolysis and myoglobinuria |
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Nicotinic acid drugs:
Inhibit _____ synthesis through inhibition of _____ and inhibition of subsequent delivery of _____ to produce _____ for packing into _____ particles |
VLDL, adipose tissue lipolysis, fatty acids to the liver, triglycerides, VLDL
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What is unique to the Nicotinc Acid drugs?
What is it most useful in defending against? |
- Broadest spectrum of activity of the lipid-lowering agents
- Hyperlipdemia |
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Nicotinc acid drugs are used most often to reduce _____ while
increasing _____ levels |
VLDL and LDL, HDL
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What is the most common Nicotinc acid drug?
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Niacin (Niaspan)
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What are the adverse effects in using Nicotinc acid drugs?
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Cutaneous flushing, pruritus, and gastrointestinal distress
(effects 50% of patients taking the nicotinic acid and decreases adherence) |
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How can one prevent some of the adverse effects of using Nicotinc Acid drugs?
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- Slowly taper to decrease above side effects
- Aspirin can be used to decrease flushing |
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The mechanisms of action of the Bile acid sequestrant drugs are as follows:
- Nonabsorbable _____ resins that bind _____ in the intestinal lumen, prevent _____, and promote their _____ - Hepatic cholesterol conversion to bile acids is _____, and plasma cholesterol and LDL concentrations are _____ - _____ concentrations are reduced |
- anion exchange, bile acids, reabsorption, excretion in the feces
- accelerated, decreased - LDL |
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What are the Bile acid sequestrant drugs?
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Cholestyramine (Questran and Prevalite)
Colestipol (Colestid) Colesevelam (Welchol) |
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What is unique about the bile acid sequestant drugs?
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Resins that are mixed with liquid and drunk as a slurry
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What is the intended combinations of use for bile acid sequestrant drugs?
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Use alone or in combination with nicotinic acid and cholesterol synthesis inhibitors
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What are the adverse effects for using bile acid sequestrants?
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Gastrointestinal upset and constipatioin
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What are the major contraindications to using bile acid sequestrants?
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No major contraindications
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What is 3H3MCARI?
What else is it known as? What do they do? |
- 3-hydroxy-3-methylglutaryl-coenzyme A reductase inhibitor
- "statins" - Inhibit the biosynthesis of cholesterol |
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What are statins competetive antagonists of?
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Competitive antagonists of HMG-CoA binding
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What drugs are the best tolerated, most effective drugs, and most commonly prescribed for lowering LDL cholesterol and for reducing
stroke, coronary heart disease, and overall mortality? |
Statins or
3-hydroxy-3-methylglutaryl Coenzyme A reductase inhibitors |
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What are the statin drugs?
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Atorvastatin (Lipitor)
Simvastatin (Zocor) Pravastatin (Pravachol) Lovastatin (Mevacor) Rosuvastatin (Crestor) |
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What are the adverse effects for using statins?
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Myalgia
Blurred vision Constipation Diarrhea Gas Heartburn Stomach pain Dizziness Headache Nausea Skin rash Impotence Insomnia Rhabdomyolysis |
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What are the drug interactions to be aware of when using Statins?
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Increase the anticoagulant effect of warfarin
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What are the contraindications to using Statins?
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Pregnant women should not use statins
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What is the mechanism of action for cholesterol absorption inhibitors?
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Inhibit cholesterol uptake by the intestinal absorptive
epithelium |
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What are the cholesterol absorption inhibitor drugs?
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Ezetimibe (Zetia)
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What are the adverse effects of using cholesterol absorption inhibitor drugs?
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Gastrointestinal
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What are the known drug interactions to be aware of when using cholesterol absorption inhibitor drugs?
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No known interactions
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What are the contraindications to using cholesterol absorption inhibitor drugs?
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No major contraindications
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What are the mechanisms of action for using fish oils as lipid lowering agents?
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- Unclear: Possibly antioxidant effects
- Small decrease in levels of plasma cholesterol, triglycerides, and VLDL and small increase HDL levels |
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What are the common fish oils used?
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Fatty Acid (Lovaza)
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What are the adverse effects of using fish oils?
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Dyspepsia and taste perversion
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What are the known drug interactions to be aware of when using fish oils?
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No known drug interactions
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What are the main contraindications to using fish oils?
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No contraindications to use
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Lipid-lowering drugs from the different categories are used in
combination for 3 reasons what are they? |
- More profound reduction
- Smaller doses of drugs to reduce adverse events - Some drugs may elevate certain lipid concentrations, combined therapy with a drug of another category can be used to overcome this unwanted effect |
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What is the only combination lipid lowering drug?
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Simvastatin/ezetimibe (Vytorin)
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