QUESTIONS AND CORRECT ANSWERS CURRENTLY TESTING
COMPLETE QUESTIONS WITHS DETAILED VERIFIED ANSWERS
WITH RATIONALES /ALREADY GRADED A+
Which of these is NOT a Class I anti–arrhythmic?
a.) diltiazem
b.) lidocaine
c.) flecainide
d.) procainamide
(Bonus: What channel do Class I meds block?)-ANSWER-a.)
diltiazem (Ca channel blocker)
Class I meds are Na channel blockers
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,Which of these anti–arrhythmic medications is the most
appropriate first line choice for an acute ventricular tachycardia
in a stable patient?
a.) flecainide
b.) lidocaine
c.) propanolol
d.) verapamil-ANSWER-b.) lidocine, fast acting Na channel
blocker (class Ib)
Can also use amiodarone, a K channel blocker used
You can also use procainamide if amiodarone is not available,
but don't use both because you can create long QT
Which of these anti–arrhythmic medications is the most
appropriate first line choice for an acute supra–ventricular
tachycardia in a stable patient?
a.) flecainide
b.) amiodarone
c.) propanolol
d.) verapamil
e.) adenosine-ANSWER-e.) adenosine
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, If adenosinex2 does not work, you can follow with
amiodarone or procainamide.
For stable patients, prior to administering meds, should try
vagal maneuvers (ice on face for baby; valsalva for older kids)
Which of these should NOT be given to a kid with WPW in SVT?
a.) procainamide
b.) adenosine
c.) verapamil-ANSWER-c.) verapamil – this Ca channel blocker
blocks the AV node and can lead to V–tach/V–fib in these kids.
You should use caution with adenosine for similar reasons.
Procainamide (Na channel blocker) is the drug of choice.
What are EKG findings of premature atrial complexes?-
ANSWER-–early/weird morphology P waves [this is because
PAC P waves have an ectopic origin and don't come from the
sinus node]
–Pause after QRS before the next sinus P wave
–QRS complex should be normal
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