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Cardiology > Anti-arrythmics > Flashcards

Anti-arrythmics Flashcards

1
Q

Class 1 drugs for arrythmias

A

Sodium channel blockers

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2
Q

Eg of sodium channel blockers

A

Disopyramide, lidocaine and fleccanide

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3
Q

Uses for sodium channel blockers

A

Ventricular and supraventricular arrhythmias

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4
Q

Class 2 drugs for arrhythmias

A

Beta blockers

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5
Q

Eg of beta blockers

A

Atenolol, metoprolol, propanolol

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6
Q

Use of beta blockers

A

stress-induced arrhythmias

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7
Q

Class 3 drugs for arrhythmias

A

Potassium channel blockers

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8
Q

Eg of potassium channel blockers

A

Amiodarone, sotalol

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9
Q

Use of potassium channel blockers

A

Supraventricular arrythmias

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10
Q

Class 4 drugs for arrhythmias

A

Calcium channel blockers

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11
Q

Eg of calcium channel blockers

A

Nifedipine, verapamil

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12
Q

Use of calcium channel blockers

A

Supraventricular tachycardia

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13
Q

Other drugs used in arrhythmias

A

Adenosine, digoxin and atropine

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14
Q

Use of adenosine

A

Supraventricular arrhythmias

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15
Q

Use of digoxin

A

AF, HF and supraventricular

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16
Q

Use of atropine

A

Bradycardia

17
Q

Mechanism of digoxin

A

Inhibits Na+/K+ ATPase pump in myocardium and has parasympathetic effects on AVN. Negative chronotropic and positive ionotrope (Decrease HR and Increase contraction)

18
Q

Digoxin toxicity features

A

Nausea, vomiting, diarrhoea, blurred vision, yellow/green vision discolour, halos in vision, confusion, fatigue, palpitations, syncope

Cardiology (22 decks)

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