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IBHRE Study Guide: Medications questions and answers graded A+ 2025/2026
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IBHRE Study Guide: Medications questions and answers graded A+ 2025/2026
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IBHRE Study Guide: MedicationsFlecanide
Used for AF. Can stop PVCs. Negative inotropic effect. Increases DFT. Class Ic.
Adenosine
Will not bring about torsades and may be used to check if you have AVNRT, because it
slows AV conduction and ought to halt the SVT
Won't adjust VT
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Amiodarone
Class III
does now not have bad inotropic results so it may be used accurately with CHF sufferers,
making it the drug of preference for CHF folks who need it to deal with AF, VTs, or SVT
Toxicity because of this can purpose Poly VT. Increases Beta Blocker impact (so can also
motive Brady)
May affect metabolism of Warfarin or Digoxin, so ease off those healing procedures of used
with this drug.
Has properties of all different drug classes, making it the true Voltron (or Megazord or
Captain Planet) of drug cures
, Lidocaine
Drugs that could growth DFT thresholds however lower motion potential length and
refractory durations
Will no longer reason Torsades
Sotalol
This drug is thought to growth chronic pacing
thresholds and decrease chronic defibrillation thresholds
Class III
Class Ia
Class Ib
Class Ic
Class II (Beta blockers)
Class IV (Calcium Channel Blockers)
Class Ia
○ Na+ Channel - Moderately prolongs refractoriness and decreases conduction pace (will
increase QRS and prolongs QT interval)
○ Examples: Procainamide, Disopyriamide (Norpace), Quinidine
○ CONSIDERATIONS:
• Can use for atrial and ventricular arrhythmias • Torsade de pointes - monitor QRS width
and prolongation of QT • May sluggish VT prices- ATP remedy and detection prices • Can
decorate AV conduction- can also want to apply with fee slowing capsules
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