NURB 3150 Antidysrhythmics Exam Study Guide with Complete Solutions

NURB 3150 Antidysrhythmics Exam Study Guide with Complete Solutions 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: EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED FIRST PUBLISH SEPTEMBER 2024 Page 2/8 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 EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED FIRST PUBLISH SEPTEMBER 2024 Page 3/8 -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