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pharm unit 4 > arrhythmia > Flashcards

arrhythmia Flashcards

1
Q

automatic atrial tach characteristic

A

non paroxysmal ectopic focus in atria. may precede flutter or fib

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2
Q

paroxysmal atrial tach characteristic

A

typically involves the AVN and reentry through an accessory path initiated by extrasystole,

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3
Q

how to treat PAT

A

responds to vagal, adenosine, BB, CCB

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4
Q

junctional tach characteristic

A

nonparoxysmal ectopic focus in the bundle os His next to AVN. there will be inverted P waves short PR intervals and QRS.

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5
Q

how to treat junctional

A

slowed by vagal and adenosine

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6
Q

what causes junctional

A

cardiac glycosides

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7
Q

sinus node reentry characteristic

A

paroxysmal

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8
Q

how to terminate SN reentry

A

electrical stimulus

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9
Q

atrial reentry

A

paroxysmal extrasystole initiates,

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10
Q

how to stop atrial reentry

A

electrical

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11
Q

AVN reentry characteristic

A

dual conduction path paroxysmal initiated by extrasystole,

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12
Q

how to treat AVN node reentry

A

vagal tone adenosine BB and CCB

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13
Q

WPW characteristic

A

fast AVN accessory path usually of atrial origin bundle of kent. initiated by extrasystole. shorted PR interval. pre-excitation delta wave with a wide QRS.

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14
Q

what is contraindicated in WPW

A

AVN blockers.

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15
Q

how to treat WPW

A

amiodarone, procainamide cardioversion, ablation

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16
Q

is wpw responsive to vagal

A

no

17
Q

what are people with wpw at higher risk for?

A

sudden cardiac death

18
Q

ventricular tachycardia monomorphic characteristic

A

spontaneous extrasystole sustained

19
Q

v tach polymorphic characteristic

A

nonuniform torsades de pointes long QT sundrome. it can be catecholamine induced, DAD-mechanism with extrasystoles, deficient Ca cycling. can be exercised induced, BB, ICD, or left cardiac sympathectomy

20
Q

atrial flutter characteristic

A

rapid atrial HR. sawtooth pattern. normal QRS AV dissociated gives regular pattern.

21
Q

how to treat A-flutter

A

non life threatening unless transmitted to ventricles at rapid rate.

22
Q

does vagal stimulus work for a flutter

A

no

23
Q

do CCB work for A flutter

A

no

24
Q

atrial fib characteristic

A

most common. leading cause of stroke. irregular rate of 400-600

25
Q

how do we treat a fib

A

anticoagulants, rate control, anti-arrhythmics, ablation therapy

26
Q

ventricular flutter characteristic

A

no effective ventricular contraction. lethal arrythmia. no QRS or T, rapid reentrant rhythm. ICD. cardioversion required.

27
Q

can we treat v flutter with antiarrhythmics

A

no they are too proarrhythmogenic.

28
Q

ventricular fibrillation characteristic

A

lethal if not terminated. no QRS or T. rapid reentrant rhythm.

29
Q

how do we treat v fib.

A

cardioversion required. no anti arrhythmics. ICD

pharm unit 4 (4 decks)

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