anginalipidcoagspring10

anginalipidcoagspring10 - Treating Angina Pectoris Susan...

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Treating Angina Pectoris Susan Hampson
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Beta Blockers Prevent stimulation of beta adrenergic receptors Slow heart rate Depress conduction Decrease cardiac output Examples are: propanolol (Inderal), atenolol (Tenormin), metoprolol (Lopressor)
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Calcium Channel Blockers Inhibit calcium from moving across cell membranes Decreased contraction Depress impulse formation Slowed conduction velocity Examples are: verapamil (Calan), amlodipine (Norvasc), diltiazem (Cardizem)
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Nitrates Dilate vascular smooth muscle on venous and arterial vessels More relaxation on venous side Redistribution of blood flow to collateral vessels of heart
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Nitroglycerin Pharmacotherapeutics (Uses) Treat acute anginal attack Prevent recurrence of angina Pharmacokinetics Several routes! Includes sublingual, transdermal, IV Pharmacodynamics (Mode of Action) Relaxes vascular smooth muscle Dilates both venous and arterial vessels
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Adverse Effects: Nitroglycerin Most COMMON is headache CV- hypotension, syncope, tachycardia CNS- dizziness, vertigo, weakness Burning under the tongue (sublingual)
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Delivering Nitroglycerin Sublingual Must dissolve completely Can give q 5 min. to max. of three tabs Stop activity! Ointment/patch Apply to hairless area Rotate sites Wear gloves Translingual Spray Spray onto/over tongue Do NOT allow inhalation Can repeat 3 times Intravenous IV tubing designed for Nitro Infusion pump!!! Will be in glass bottle
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Patient Monitoring: Nitroglycerin Blood pressure, pulse prior to and frequently during administration Treat headache Assist patient with gradual position change Withdraw slowly
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Patient Teaching: Nitro Purpose, effects of drug Rest if angina symptoms occur Postural hypotension possible Three dose maximum then seek medical care Check expiration date, refill as scheduled Keep drug well sealed in original bottle How to take drug! Avoid environment with increased temperatures
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Let’s Pause Here…… What is the mechanism of action of nitroglycerin? List at least three indications for the use of
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This note was uploaded on 05/30/2011 for the course NUR 212 taught by Professor Susanhampson during the Spring '11 term at St. Xavier.

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anginalipidcoagspring10 - Treating Angina Pectoris Susan...

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