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Elaina CV 2 > PHARM CV2 > Flashcards

PHARM CV2 Flashcards

1
Q

what do our class 1 arrhythmic drugs essentially do?

A

block sodium channels

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2
Q

from class 1 A-C, what are our three arrhythmic drugs?

A

A) Procainamide
B) Lidocaine
C) Flecainide

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3
Q

which class 1 drug is used for life-threatening ventricular arrhythmias? which is used to suppress existing ventricular arrhythmias?

A

procainaimide=life threatening ventricular arrythmias

lidocaine=suppressing existing ventricular arrythmias

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4
Q

which of our anti-arrhythmia drugs is contra-indicated with a corn allergy?

A

lidocaine

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5
Q

what are contraindications for most of our arrhythmia drugs?

A

complete heart blocks

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6
Q

what arrhythmia class are our beta blockers?

A

2; propranalol, metoprolol, atenolol

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7
Q

what is our class 3 arrhythmic? what does it do?

A

amiodarone; it inhibits alpha and beta stimulation affecting the sodium, potassium, and calcium channgels which PROLONGS AP AND REFRACTORY PERIODS; decreases AV conduction and sinus node function

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8
Q

when do we use amiodarone?

A

often for people with multiple comorbidities who are unstable, have recently recovered from an MI, and are spontaneously going into AFIB

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9
Q

who do we need to be cautious of when prescribing amiodarone?

A

people with thyroid disease

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10
Q

what are our class 4 arrhythmia drugs?

A

calcium channel blockers verapamil and diltiazem; work by dilating coronary arteries and decreasing oxygen demands

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11
Q

what are our indications for adenosine?

A

PSVT, pharmacologic stress testing

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12
Q

which of our anti-arrhythmic drugs is a naturally occurring nucleoside?

A

adenosine

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13
Q

how does adenosine work in stress testing vs. PSVT?

A

in stress testing: coronary vasodilation and increased blood flow in normal coronary arteries but does NOTHING to stenotic coronary arteries so that we can compare

PSVT: slows conduction through AV node

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14
Q

what are the four drugs we use for atrial fibrillation?

A

digoxin, beta blockers, calcium channel blockers diltiazem & verapamil

amiodarone ONLY if acute and many complications

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15
Q

which drug is our cardiac glycoside? what is its MOA?

A

digoxin; inhibits sodium potassium pump and both increases contractility AND suppresses AV node to decrease rate

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16
Q

which of our arrhythmia drugs is on our BEERS list to caution in elderly?

A

digoxin

17
Q

which drug is used for digitalis-induced arrhythmias?

A

magnesium sulfate

18
Q

which of our two drugs have a role in obstetrics for eclampsia & pre-eclampsia?

A

magnesium sulfate & hydralazine

19
Q

which of our arrhythmia drugs is used off label for torsades de pointes & severe asthma in children?

A

MgSO4

Elaina CV 2 (2 decks)

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