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ANTI ARRHYTHMIC DRUGS, Acts by decreasing slope of Phase 0, Causes QT…
ANTI ARRHYTHMIC DRUGS
v. Class V: Others
- Digoxin:- Used for atrial fibrillation
- Atropine- DOC for Bradycardia and AV block
- Adenosine:- Shortest acting antiarrythmic drug (DOC for PSVT)
- Magnesium:- DOC for torsades de' pointes
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- Acts by decreasing slope of Phase 0
Ic
- Encainide
- Flecainide
- Propafenone
Ib
- Lignocaine
- Phenytoin
- Tocainide
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- Causes QT prolongation
- Block K+ Channel
- Used for ventricular arrythmia
- Open K+ Channel
- Used for WPW syndrome
- No effect on K+ Channel
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- Increased action potential duration
- Increased QT interval on ECG
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