Antidysrhythmics

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Author:
Anonymous
ID:
232204
Filename:
Antidysrhythmics
Updated:
2013-08-31 21:45:22
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Pharm301 Final
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Pharm 1 final , from powerpoint
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  1. Function of Class 1B
    • Accelerates depolarization 
    • only treats VT
  2. Adverse effects of class 1B
    • proarrythmic, HOTN, seizures (at toxic levels) 
    • dizzy, fatigue, RR drop
  3. Function of Class 1C
    • Flecainide (Tambocor) 
    • *worst proarrythmic, delays VT reploarization, decrease conduction, contraction, increase HR
  4. Adverse Effects of Class 1C
    • *last resort drug 
    • high risk of mortality
  5. Class 2 dysrhythmic adverse effects
    • Propanolol 
    • bradycardia, bronchoconstriction, decrease BP, mask hypoglycemia
    • *check CA levels
    • *no COPD or HF pt
  6. Function of Class 3
    • Amiodarone
    • delay repolarization, prolong QT
    • *treat VT
  7. Adverse Effects of Class 3
    • category D in pregnancy, dizzy, tremors, insomnia
    • **blindess due to sun exposure (photophobia)
    • hepatitis, pulm toxicity
  8. Class 4 Function
    • Verapamil (Calan) 
    • slow AV conduction, depress SA contract, dilate coronaries
    • Treat Afib/Aflutter
  9. Adverse Effects of Class 4
    • Verapamil (calan) 
    • constipation, nausea, bradycardia, heart block, HF, HOTN, ***peripheral edema
    • **interacts with digoxin
  10. Function of Adenosine
    • decrease: automaticity, conduction at AV
    • treat SVT
  11. Adverse Effects of Adenosine
    • ****IV Bolus only
    •  bradycardia, HOTN, red face, dyspnea, chest discomfort 
    • *keep on telemetry*
  12. Function of Digoxin (Lanoxin)
    • decrease: Av conduction, automaticity
    • treat SVT only
  13. Adverse Effects of Digoxin (Lanoxin)
    • *risk of hypokalemia
    • cardiotoxicity, n,v, abd pain, fatigue, vision changes
    • ***green halo vision=dig poisoning!!!
  14. Function of Class 1A
    • Quinidine
    • delay repolarization
    • treats SVT and VT
  15. Adverse Effects of Class 1A
    • Quinidine
    • *strong anticholinergic effects
    • cardiotoxicty, arteriole embolism, HOTN with IV, cinchosism, **doubles dig
  16. Other uses for Quinidine
    Anti-malarial, Anti-pyretic

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