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NURB 3150 Antidysrhythmics Exam Latest Update
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NURB 3150 Antidysrhythmics Exam Latest Update ...
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NURB 3150 AntidysrhythmicsExam Latest Update
heart block - Answer Major adverse effect of any antidysrhythmic drug
heart block - Answer often treated with atropine sulfate
Atropine sulfate - Answer ^ firing through the SA node
Opposes PNS and Vagus nerve
*RAISES HR*
Atropine sulfate - Answer Use:
*HEART BLOCKS*
-bradycardias
-Antidote for cholinergic toxicity
-Pre-op/pre-anesthetic agent
-Decrease parkinsons tremors
-IBS
-Hypertonic bladder
Atropine sulfate - Answer Caution:
Young pts
Old pts
Glaucoma pts
Atropine sulfate - Answer SE:
Urinary retention
Hyperthermia --> sweat gland activity inhibition, skin gets hot/dry
Class 1A drugs - Answer Procainamide (pronestyl)
Procainamide - Answer Na channel blockade delaying repolarization
Prolongs refractory period
, Used for atrial and ventricular dysrhythmias
Procainamide - Answer Use for tx of:
-Vtach
-PVCs
-SVT
Procainamide - Answer AE:
-Potentiates hypotension
-Torsades
-PR interval
-SLE
-Agranulocytosis
-*heart blocks/asystole*
Procainamide - Answer D/C med if:
Heart blocks/asystole occurs!
if torsades occurs
Class 1B drugs - Answer Lidocaine (xylocaine)
Lidocaine - Answer Suppresses ventricular dysrhythmias associated with depolarization
no effect on CO or vagus
Lidocaine - Answer Use:
*ventricular dysrhytmias*
Lidocaine - Answer Loading dose then continuous infusion
Dec by 50% if pt has hepatic problems
Check lidocaine levels
"lido crazies" pt either lethargic or wild
1.5-5 - Answer Lidocaine levels
group II drugs - Answer Beta blockers
Propanolol
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