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75 Cards in this Set

  • Front
  • Back
What does Angina pectoris mean?
Pain in the chest
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
Where does Angina pectoris present itself?
Massive pain radiating in the left arm, back, or jaw
What commonly accompanies Angina symptoms?
Fear
Anxiety
Feeling Suffocated
Tight chest
What are the three types of Angina pectoris?
Chronic stable angina (exertional)
Variant angina (Prinzmetal’s)
Unstable angina (Pre-infarction angina)
What are the different antianginal classes of drugs?
- Nitrates and Nitrites
- Β-Adrenergic Receptor Blockers
- Ca++ Channel Blockers
- Ranolazine (Ranexa)
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
Nitrates an Nitrites
What are the Nitrates and Nitrite drugs that are used in antianginal therapy?
Nitroglycerin
Isosorbide Mononitrates
What drug is used for acute angina symptoms and prophylaxis of angina symptoms?
Nitroglycerin
What are the two forms of isosorbide mononitrates
Immediate release and sustained release
What are the adverse effects of using Nitrates and Nitrites?
- 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
What are the drug interactions that must be considered when using Nitrates and Nitrites?
Should NOT be used in patients taking sildenafil or similar drugs because of prolonged hypotension
What are the contraindications for using Nitrates and Nitrites?
Amyl nitrate should NOT be used in pregnant women
What is the mechanism of action for B-adrenergic receptor blockers?
Prevent binding and receptor activation by epinephrine, norepinephrine, and exogenously
administered adrenergic agonists in tissues regulated by B-adrenergic
receptors
What are the B-adrenergic receptor blocking drugs?
What is the most common?
Propranolol (Inderal) - most common
Metoprolol (Lopressor)
Atenolol (Tenormin)
Nadolol (Corgard)
What are the positive effects of using B-adrenergic receptor blockers?
Treating Angina include decreased HR
Depressed myocardial contractility
Decreased cardiac output
Some reduction BP
What are the adverse effects of using B-adrenergic receptor blockers?
CNS effects – depression, drowsiness, and dreams/insomnia
Cardiovascular effects - hypotension, and decreased HR
General autonomic effects – diarrhea, nasal stuffiness,
xerostomia, asthma, fluid retention
What are the interactions and contraindications to using B-adrenergic receptor blockers?
- Risk of hypertensive episode w/ administration of local anesthetic agents that contain vasoconstrictors
- Opiods and other CNS depressants should be used with
caution
What is the mechanism of action for Ca++ channel blockers?
Blocking the slow Ca++ current in vascular smooth muscle and cardiac muscle
What are the Ca++ channel blockers?
Diltiazem (Cardizem)
Verapamil (Verelan or Calan)
Nifedipine (Procardia)
Felodipine
Amlodipine(Norvasc)
Ca++ blockers have been shown to be effective in treating what?
- Prophylactic treatment of Angina
- Supraventricular tachyarrhythmias and hypertension
What are the general adverse effects of using Ca++ blockers?
- Dizziness, headache, and nausea
- Systemic vasodilation – heat, facial flushing, hypotension, reflex tachycardia and peripheral edema
What Ca++ blocking drugs can cause decreased HR?
Diltiazem and Verapamil
What Ca++ blocking drugs influence gingival enlargement with long-term
treatment?
Verapamil, diltiazem, nifedipine, and
felodipine
What are the contraindications for using Ca++ blocking drugs?
Use with B-blockers may increase the blockade of the AV node
conduction
What is the mechanism of action for Ranolazine (Ranexa)?
Mechanism not well understood
What is the pharmacotherapy for Ranolazine (Ranexa)?
Approved for chronic stable angina for use as combination therapy when angina is not well controlled
What are the adverse effects of taking Ranolazine (Ranexa)?
Most common: constipation, nausea, dizziness, and
headache
Rare: tinnitus, vertigo, and dry mouth
What are the drug interactions to be aware of when using Ranolazine (Renexa)?
Drugs that can cause QT prolongation
What are the contraindications for using Ranolazine (Renexa)?
Avoid use in patients with congenital long QT syndromes
When is combination therapy applied for patients who have angina pectoris?
When a patient becomes intolerant or continues to have angina with an optimal dosage of a single medication
Cholesterol plays an essential role in human life as an important component of _____ and a precursor of _____ and _____ in addition to its role in _____
cell membranes, steroid hormones, bile acids, triglyceride transport
How can high blood cholesterol levels cause premature death?
Coronary Artery disease
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
What are the guidelines for patient cholesterol management?
Pharmacotherapy and lifestyle changes
Increased exercise and decreased fat and cholesterol intake
What are the pharmacotherapy classes of drugs that are used as lipid lowering drugs?
- Fibric Acid derivatives
- Nicotinic Acid
- Bile Acid sequestrants
- 3-Hydroxy-3-Methylglutaryl-Coenzyme A Reductase Inhibitors
- Cholesterol Absorption Inhibitors
- Fish oils
Fibric Acid derivatives Increase the activity of _____, decrease the _____, and increase _____ in mitochondria and peroxisomes
extrahepatic lipoprotein lipase, hepatic synthesis of fatty acids, hepatic fatty acid oxidation
Fibric Acid derivatives influence all the _____, but are most effective in
familial type _____ and in patients with elevated _____ concentrations
lipoproteins, 3 hyperlipoproteinemia, VLDL
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
What are the fibric acid derivative drugs?
Gemfibrozil (Lopid)
Fenofibrate (Tricor)
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
What are the adverse effects for using Fibric acid derivatives?
Gastrointestinal disturbances and cholelithiasis
What is the contraindication for using Gemfibrozil by itself?
Enhances the action of oral anticoagulants
What drugs are contraindicated with Gemfibrozil use?
What is their combined action?
- HMG-CoA reductase inhibitors
- Increased risk of rhabdomyolysis and myoglobinuria
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
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
Nicotinc acid drugs are used most often to reduce _____ while
increasing _____ levels
VLDL and LDL, HDL
What is the most common Nicotinc acid drug?
Niacin (Niaspan)
What are the adverse effects in using Nicotinc acid drugs?
Cutaneous flushing, pruritus, and gastrointestinal distress
(effects 50% of patients taking the nicotinic acid and decreases adherence)
How can one prevent some of the adverse effects of using Nicotinc Acid drugs?
- Slowly taper to decrease above side effects
- Aspirin can be used to decrease flushing
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
What are the Bile acid sequestrant drugs?
Cholestyramine (Questran and Prevalite)
Colestipol (Colestid)
Colesevelam (Welchol)
What is unique about the bile acid sequestant drugs?
Resins that are mixed with liquid and drunk as a slurry
What is the intended combinations of use for bile acid sequestrant drugs?
Use alone or in combination with nicotinic acid and cholesterol synthesis inhibitors
What are the adverse effects for using bile acid sequestrants?
Gastrointestinal upset and constipatioin
What are the major contraindications to using bile acid sequestrants?
No major contraindications
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
What are statins competetive antagonists of?
Competitive antagonists of HMG-CoA binding
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
What are the statin drugs?
Atorvastatin (Lipitor)
Simvastatin (Zocor)
Pravastatin (Pravachol)
Lovastatin (Mevacor)
Rosuvastatin (Crestor)
What are the adverse effects for using statins?
Myalgia
Blurred vision
Constipation
Diarrhea
Gas
Heartburn
Stomach pain
Dizziness
Headache
Nausea
Skin rash
Impotence
Insomnia
Rhabdomyolysis
What are the drug interactions to be aware of when using Statins?
Increase the anticoagulant effect of warfarin
What are the contraindications to using Statins?
Pregnant women should not use statins
What is the mechanism of action for cholesterol absorption inhibitors?
Inhibit cholesterol uptake by the intestinal absorptive
epithelium
What are the cholesterol absorption inhibitor drugs?
Ezetimibe (Zetia)
What are the adverse effects of using cholesterol absorption inhibitor drugs?
Gastrointestinal
What are the known drug interactions to be aware of when using cholesterol absorption inhibitor drugs?
No known interactions
What are the contraindications to using cholesterol absorption inhibitor drugs?
No major contraindications
What are the mechanisms of action for using fish oils as lipid lowering agents?
- Unclear: Possibly antioxidant effects
- Small decrease in levels of plasma cholesterol, triglycerides, and VLDL and small increase HDL levels
What are the common fish oils used?
Fatty Acid (Lovaza)
What are the adverse effects of using fish oils?
Dyspepsia and taste perversion
What are the known drug interactions to be aware of when using fish oils?
No known drug interactions
What are the main contraindications to using fish oils?
No contraindications to use
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
What is the only combination lipid lowering drug?
Simvastatin/ezetimibe (Vytorin)