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12 Cards in this Set
- Front
- Back
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Quinidine
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Class IA: Blocks Na in normal and sick, Blocks K ->Long AP. Anti Ach-> Inc HR. Uses: A&V Arrhy. Poss 1:1->use B Block or Dig. Aquired Long QT-> TdP
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procainamide
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Class IA: Blocks Na in normal and sick, Blocks K ->Long AP. Less Anti Ach. Uses: A&V Arrhy. Poss 1:1->use B Block or Dig. Aquired Long QT-> TdP
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Lidocaine
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Class IB: blocks Na in Sick Cells. IV Only. Vent Arryht. Also Inc K+ Perm->Short QT
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mexiletine
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Class IB: blocks Na in Sick Cells. Oral. Vent Arryht. Treat Long QT. Also Inc K+ Perm->Short QT
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flecainide
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Class IC: Na block in both. No effect on Re-pol. Vent Arrs, PVCs(but not asymtomatic). Ataxia
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metoprolol
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Class II: B Blocker. Dec SA and AV node rate/conduction. Suppres Symptath Atrial arrs. Reduces mort post MI. CI: WPW.
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Amiodarone
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Class III: Blocks K Efflux, Na, Ca, B. Inc AP and Refractury Duration. [Low]-Supp A-Fib. [Hi]-Vent Arry. CARDIAC ARREST. T1/2=Weeks. Long QT. Pulm Fib. Rhabdo w Simvastatin.
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sotalol
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Class III:Blocks K Efflux, Beta Blocker. For supra and ventricular Arrys. Long QT
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Verapamil
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Class IV: Ca++ Block. Slows SA and AV-> Rate control. A-fin,tach, flutter. Extreme cauten in patients w CHF
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diltiazem
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Class IV: Ca++ Block. Slows SA and AV-> Rate control. A-fin,tach, flutter. Extreme cauten in patients w CHF
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Digoxin
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A-fib when CHF also present. No CHF use B or Ca block.
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adenosine
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Inc K+ Conductance, Dec cAMP induced Ca++ influx. T1/2=Secs. Acute Term of AV node Arrryth.
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