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43 Cards in this Set
- Front
- Back
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quinidine (Quinaglute, Quinidex, Cardioquin)
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IA sodium channel blockers (moderate)
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procainamide (Pronestyl, Procan SR)
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IA sodium channel blockers (moderate)
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disopyramide (Norpace)
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IA sodium channel blockers (moderate)
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IA sodium channel blockers (moderate) action
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-moderate depression of depolarization; prolongs repolorization
-treats & prevents atrial & ventricular dysrhythmias |
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IA sodium channel blockers (moderate) side effect on cardiac contracibility
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decreased cardiac contractibility
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IA sodium channel blockers (moderate) side effects with waves
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prolonged QRS, QT
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IA sodium channel blockers (moderate) other side effects
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-hypotension w IV administration
-diarrhea w quinidine -constipation w disopyramide dry mouth |
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IA sodium channel blockers (moderate) nursing interventions
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-observe for HF
-monitor BP w IV admin -monitor QRS duration for increase > 50% from baseline -if for atrial fib, ensure pt has been pretreated w a med to control AV conduction |
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lidocaine (Xylocaine)
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IB sodium channel blockers (weak)
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mexiletine (Mexitil)
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IB sodium channel blockers (weak)
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tocainide (Tonocard)
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IB sodium channel blockers (weak)
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IB sodium channel blockers (weak) action
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-minimal depression of depolarization; shortened repolarization
-treats ventricular dysrhythmias |
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IB sodium channel blockers (weak) side effects
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CNS changes (confusion, lethargy)
bradycardia GI distress tremors |
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IB sodium channel blockers (weak) nursing interventions
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-monitor CNS changes & tremors
-discuss w Doc decreasing lidocaine dose w elderly & cardiac/liver dysfunction |
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flecainide (Tambocor)
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IC sodium channel blockers (strong)
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propafenone (Rythmol)
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IC sodium channel blockers (strong)
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IC sodium channel blockers (strong) action
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-marked depression of depolorization; little effect on repolorization
-treats atrial & ventricular dysrhythmias |
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IC sodium channel blockers (strong) side effects
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proarrhythmic
HF dizziness, visual disturbances dyspnea |
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IC sodium channel blockers (strong) nursing interventions
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decreased dose w renal dysfunction & strict vegetarian diets
-avoid use in pts w structural heart disease (coronary artery disease & HF) |
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acebutolol (Sectrol)
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II beta blockers
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atenolol (Tenormin)
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II beta blockers
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bisoprolol/HCTZ (Ziac, Zebeta)
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II beta blockers
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esmolol (Brevibloc)
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II beta blockers
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labetalol (Trandate)
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II beta blockers
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metoprolol (Lopressor, Toprol-XL)
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II beta blockers
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nadolol (Corgard)
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II beta blockers
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nebivolol (Bystolic)
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II beta blockers
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propranolol (Inderal)
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II beta blockers
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sotalol (Betapace; Sorine; also has class III actions)
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II beta blockers
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II beta blockers action
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-decreases automaticity & conduction
-treats atrial & ventricular dysrhythmias |
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II beta blockers side effects
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bradycardia, AV block
decreased contractility bronchospasm N hypotension CNS disturbances |
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II beta blockers nursing interventions
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-monitor HR, PR interval, HF
especially those taking calcium channel blockers -monitor glucose w diabetes -no abrupt withdrawal (so to avoid tachycardia, hypertension, & MI) |
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amiodarone (Cordarone)
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III potassium channel blockers
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dofetilide (Tikosyn)
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III potassium channel blockers
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ibutilide (Corvert)
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III potassium channel blockers
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III potassium channel blockers action
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-prolongs repolorization
-amiodarone treats & prevents ventricular & atrial dysrhythmias, esp in pts w ventricular dysfunction -dofetilide & ibutilide treat & prevent atrial dysrhythmias |
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III potassium channel blockers side effects
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pulm toxicity (amiodarone), photosensitivity (amiodarone), hypotension
bradycardia N/V potentiates digoxin |
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III potassium channel blockers nursing interventions
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-pt sent for baseline pulm function test (amiodarone)
monitor QT continuous ecg monitoring (dof & inbut) |
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verapamil (Calan, Isoptin)
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IV calcium channel blockers
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diltiazem (Cardizem, Dilacor, Tiazac, Diltia, Cartia)
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IV calcium channel blockers
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IV calcium channel blockers action
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-blocks calcium channel
-treats & prevents paroxysmal atrial dysrhythmias |
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IV calcium channel blockers side effects
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bradycardia
AV blocks hypotension with IV admin HF, peripheral edema constipation, dizziness, headache, N |
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IV calcium channel blockers nursing interventions
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HR, PR interval
BP closely w IV admin monitor for HF don't crush sustained release meds |
