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pharmacology > antiarrhythmic drugs and classes > Flashcards

antiarrhythmic drugs and classes Flashcards

1
Q

Vaughan- Williams classification (I-IV) classifies what

A

antiarrhythimcs

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2
Q

Classified based on channel/receptor involved

A

Vaughan- Williams classification (I-IV)

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3
Q

class 1a, 1b, 1c

A

na channel blockers

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4
Q

class 2

A

beta blockers

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5
Q

class 3

A

k+ channel blockers

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6
Q

class 4

A

ca channel blockers

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7
Q

Disopyramide

A

Na channel blockers Class 1A

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8
Q

Mexiletine

A

Na channel blockers Class 1B

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9
Q

Procainamide

A

Na channel blockers Class 1A

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10
Q

Flecainide

A

Na channel blockers Class 1C

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11
Q

Quinidine

A

Na channel blockers Class 1A

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12
Q

Propafenone

A

Na channel blockers Class 1C

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13
Q

Any beta blocker

A

Beta blockers class 2

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14
Q

Lidocaine

A

Na channel blockers Class 1B

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15
Q

Esmolol IV only

A

Beta blockers class 2

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16
Q

Amiodarone

A

K+ channel blockers: class 3

17
Q

Sotalol

A

Beta blockers class 2 and K+ channel blockers: class 3

18
Q

Dronedarone

A

K+ channel blockers: class 3

19
Q

Dofetilide

A

K+ channel blockers: class 3

20
Q

Diltiazem

A

Ca2+ channel blockers: class 4

21
Q

Ibutilide

A

K+ channel blockers: class 3

22
Q

Verapamil

A

Ca2+ channel blockers: class 4

23
Q

ASLS cardiac arrest medications in order

A

epi, amiodarone, lidocaine, magnesium sulfate

24
Q

ASLS symptomatic bradycardia medications

A

atropine then epi or dopamine

25
Q

ASLS tachycardia medications in order

A

adenosine, diltiazem or verapamil, metoprolol, amiodarone, dogoxin

26
Q

Regular rhythm with narrow QRS

A

Adenosine
Diltiazem or verapamil
Metoprolol

27
Q

Irregular rhythm with narrow QRS

A

Diltiazem (1st choice)
Verapamil, metoprolol, amiodarone, and digoxin
All used for rate control

28
Q

Regular rhythm with wide QRS tachycardia

A

Adenosine for dx only
Can use amiodarone, procainamide, or sotalol
Procainamide and sotalol should be avoided with long QT intervals (aren’t used much)
Weird bc amiodarone can prolong QT too

29
Q

Irregular rhythm with wide QRS

A

Immediate cardioversion then amiodarone, procainamide, or sotalol
Magnesium sulfate for someone with Torsades or prevention

pharmacology (16 decks)

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