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MOD 4 - Pharmacology > CV Drugs - Arrythmia > Flashcards

CV Drugs - Arrythmia Flashcards

1
Q

main pacemaker of the heart

A

sinoatrial node

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2
Q

p wave

A

atrial contraction

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3
Q

qrs wave

A

ventricular contraction

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4
Q

t wave

A

ventricular relaxation

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5
Q

DOC for digoxin-induced arrhythmia

A

lidocaine, phenytoin

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6
Q

DOC for supraventricular tachycardia (SVT)

A

adenosine

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7
Q

DOC for ventricular tachycardia (VT)

A

amiodarone
alt: lidocaine/shock

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8
Q

DOC for ventricular fibrillation (VF)

A

amiodarone
alt: shock

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9
Q

DOC for chronic atrial fibrillation (rate control)

A

digoxin

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10
Q

DOC for acute atrial fibrillation (rhythm control)

A

Class III, Ia, Ic

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11
Q

quinidine

A

Class IA
Na channel blocker (Phase 0)

s/e: cinchonism

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12
Q

procainamide

A

Class IA
Na channel blocker (Phase 0)

s/e:
lupus like effect (same as hydralazine & isoniazid)

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13
Q

disopyramide

A

Class IA
Na channel blocker (Phase 0)

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14
Q

phenytoin

A

Class IB
Na channel blocker (Phase 0)

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15
Q

lidocaine

A

Class IB
Na channel blocker (Phase 0)

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16
Q

mexiletine

A

Class IB
Na channel blocker (Phase 0)

17
Q

tocainide

A

Class IB
Na channel blocker (Phase 0)

18
Q

flecainide

A

Class IC
Na channel blocker (Phase 0)

19
Q

propafenone

A

Class IC
Na channel blocker (Phase 0)

20
Q

moricizine

A

Class IC
Na channel blocker (Phase 0)

21
Q

propranolol

A

Class II
beta blocker (damage control only)
dec HR

22
Q

esmolol

A

Class II
beta blocker (damage control only)
dec HR

23
Q

acebutalol

A

Class II
beta blocker (damage control only)
dec HR

24
Q

bretylium

A

Class III
K channel blocker (prolong refractory period)

25
Q

amiodarone

A

Class III
K channel blocker (prolong refractory period)

s/e: hepatotoxic, thyroid probs, corneal deposits

26
Q

sotalol

A

non selective Bblocker
prolongs phase 3 action potential

Class III
K channel blocker (prolong refractory period)

27
Q

dofetilide

A

Class III
K channel blocker (prolong refractory period)

28
Q

verapamil

A

Class IV
Ca channel blocker (dec HR)

29
Q

diltiazem

A

Class IV
Ca channel blocker (dec HR)

30
Q

restore rhythm

A

class I and III

31
Q

dec HR

A

class II and IV

32
Q

adenosine

A

slow down firing of SA node
other drugs

33
Q

atropine

A

other drugs

34
Q

digoxin

A

other drugs

35
Q

magnesium sulfate

A

s/e: proarrhythmia

other drugs

36
Q

DOC for sustained ventricular arrhythmia with acute MI

A

lidocaine

MOD 4 - Pharmacology (19 decks)

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