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Pharma > Antiarrhytmic Drugs > Flashcards

Antiarrhytmic Drugs Flashcards

1
Q

Class 1

A

Sodium Channel Blockers
Local anesthetic activity
Act on Phase 0

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2
Q

Class 2

A

Beta Adrenergic Blockers

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3
Q

Class 3

A

Potassium Channel Blockers

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4
Q

Class 4

A

Calcium Channel Blockers

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5
Q

Class 1a

A

Prolongs AP

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6
Q

Class 1b

A

Shortens AP

Significant effects on ischemic tissues

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7
Q

Class 1c

A

No effect on AP

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8
Q

Class 1A Antiarrhythmics

A

I Am the Queen that Proclaimed the Diss on the Pyramid

Procainamide
Disopyramide
Quinidine

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9
Q

Atrial and Ventricular Antiarrhythmics

A

Class 1A

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10
Q

Class 1A drug with antimalarial effect

A

Quinidine

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11
Q

Class 1A, Antiarrhythmics , Lupus like syndrome

A

Procainamide

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12
Q

Class 1A, Marked antimuscarinic effects

A

Disopyramide

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13
Q

Class 1A, Torsades, Cinchonism (Headache, Vertigo Tinnitus)

A

Quinidine

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14
Q

Treatment for Class 1A overdose

A

Sodium Lactate

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15
Q

DOC Ventricular Arrhythmias
Digoxin induced arrhythmias
Best for Post MI

A

Class 1B Antiarrhytmics

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16
Q

Class 1B Antiarrhythmics, Agranulocytosis

A

Tocamide

17
Q

Least cardiotoxic among conventional Antiarrhythmics

A

Lidocaine

18
Q

Class 1B Antiarrhythmics Teratogenic

A

Phenytoin

19
Q

1B Drugs

A

I Buy Mexican Tacos with Lids
Mexiletine
Tocainide
Lidocaine

20
Q

1C Antiarrhythmics

A

Selective

For refractory arrhythmias

21
Q

Contraindicated in POST MI

A

1C Antiarrhythmics

22
Q

Antiarrhythmics

A

I C MORe FLECked ENCAsed PROPs

23
Q

Reduction of cAMP
Act on Phase 4
Prolonged PR
Post MI Prophylaxis

A

Class 2 Antiarrhythmics

24
Q

Non Selective B Blockers

A

Propanolol

25
Q

Selective B1 Blocker

A

Esmolol

26
Q

Hallmark of Prolonged AP Duration

Increase QT Interval

A

Class 3 Antiarrhythmics

27
Q

Treatment and prophylaxis for atrial fibrilation

A

Dofetilide

28
Q

SE of Dofetilide

A

Torsades de Pointes

29
Q

Most efficacious of all Antiarrhythmics drugs

A

Amiodarone

30
Q

SE of Amiodarone

A

Microcrystalline deposits of cornea and skin

Pulmonary Fibrosis

31
Q

PR interval consistently increased

A

Class 4

32
Q

Prolongs PR Interval
Prolongs QRS
Prolongs QT
Prolongs AP

A

Class 1 A - Procainamide

33
Q

Shortens AP Duration

No effect in normal Cells

A

Class 1B - Lidocaine

34
Q

Prolongs QRS interval

No effect in AP Duration

A

Class 1C - Flecainide

35
Q

Prolongs PR

No effect on AP

A

Class 2 - Propanolol

Class 4 - Verapamil

36
Q

Prolongs QT

Prolongs AP

A

Class 3 - Dofetilide

37
Q

DOC for paroxysmal supraventricular tachycardia

A

Adenosine

Pharma (20 decks)

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