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CCFD 42A Pharmacology > Cardiac Drugs > Flashcards

Cardiac Drugs Flashcards

1
Q

Adenosine (brand name)

A

Adenocard

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2
Q

Adenosine (Class)

A

antidysrhythmic

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3
Q

Adenosine (Action)

A

slows conduction through AV node

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4
Q

Adenosine (Indication)

A

conversion of narrow-complex regular tachycardia

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5
Q

Adenosine (Contraindications)

A

second- or third-degree AV block; sick sinus syndrome; asthma; COPD; drug-induced tachydardia

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6
Q

Adenosine (Routes)

A

IV; IO

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7
Q

Adenosine (Side Effects)

A

headache; dizziness; dyspnea; bronchospasn; CP; N/V

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8
Q

Adenosine (Interactions)

A

methylxanthine antagonizes effects; dipyridamole potentiates effects

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9
Q

Adenosine (Dose)

A

6 mg rapid IV bolus over 1-3 seconds followed by 20 mL NS; if no change after 1-2 minutes administer 12 mg

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10
Q

Adenosine (Special Considerations)

A

pregnancy class C; short life usually limits adverse effects; brief period of asystole may occur

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11
Q

Atenolol (Brand Name)

A

Tenormin

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12
Q

Atenolol (Class)

A

beta-blocker (selective beta-1)

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13
Q

Atenolol (Action)

A

decreases heart rate and myocardial oxygen demand; inhibits dilation of bronchial smooth muscle

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14
Q

Atenolol (Indications)

A

tachycardia; HTN; stable narrow-QRS tachycardia

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15
Q

Atenolol (Contraindications)

A

heart failure; hypotension; shock; bradycardia; second- or third-degree block

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16
Q

Atenolol (Route)

A

IV; IO

17
Q

Atenolol (Side Effects)

A

dizziness; bronchospasm; bradycardia; AV conduction delays; hypotension; MI; heart failure

18
Q

Atenolol (Interactions)

A

potentiates antihypertensive medications; sypmathomimetic medications are antagonized; signs of hypoglycemia may be masked

19
Q

Atenolol (Dose)

A

5 mg over 5 minutes; if no effect after 10 min 5 mg over 5 min

20
Q

Atenolol (Special Considerations)

A

pregnancy class D; severe hypotension when given with calcium-channel blockers; use with caution in patients with lung conditions

21
Q

Atropine (Class)

A

anticholinergic agent

22
Q

Atropine (Action)

A

inhibits action of ACh at postganglionic parasympathetic neuroeffector sites (increases HR)

23
Q

Atropine (Indication)

A

hemodynamically-unstable bradycardia; organophosphate poisoning; nerve agent exposure; beta-blocker or calcium-channel blocker OD

24
Q

Atropine (Contraindication)

A

tachycardia; unstable cardiovascular status in acute hemorrhage with MI; narrow-angle glaucoma; hypothermic bradycardia

25
Q

Atropine (Routes)

A

IV; IO

26
Q

Atropine (Side Effects)

A

drowsiness; confusion; headache; palpitations; dysrhythmias; blurred vision; paradoxical bradycardia

27
Q

Atropine (Interactions)

A

adverse effects when given with digitalis and cholinergics; effects enhanced with antihistamines, benzodiazepines; and MAOIs

28
Q

Atropine (Dose)

A

0.5 mg q 3-5 min (max 3 mg total)

29
Q

Atropine (Special Considerations)

A

pregnancy class C; may cause pulmonary dilation; paradoxical bradycardia with dose lower than 0.1 mg

30
Q

Digoxin (Brand Name)

A

Lanoxin

31
Q

Digoxin (Class)

A

antidysrhythmic

32
Q

Digoxin (Action)

A

rapid-acting cardiac glycoside; increases force of myocardial contraction

33
Q

Digoxin (Indication)

A

heart failure; reentry SVT; AF

34
Q

Digoxin (Contraindication)

A

VF; VT; digitalis toxicity

35
Q

Digoxin (Routes)

A

IV; IO

36
Q

Digoxin (Side Effects)

A

fatigue; headache; blurred yellow/green vision; seizures; confusion; bradycardia

37
Q

Digoxin (Interactions)

A

concurrent use of digoxin and verapamil may lead to severe AV block

38
Q

Digoxin (Dose)

A

4 - 6 mcg/kg over 5 min (loading dose); 2nd and 3rd boluses of 2 - 3 mcg/kg at 4 and 8 hours

39
Q

Digoxin (Special Considerations)

A

pregnancy class C; can prolong PR interval and cause ST changes

CCFD 42A Pharmacology (6 decks)

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