Class Of Arrhythmia

Question 0

Electrolyte that can cause arrhythmia

Answer 0

Potassium, magnesium, sodium, calcium

Question 1

Heart rate describes

Answer 1

Depolarization of ventricle

Question 2

Phase 0

Answer 2

Depolarization

Na channels open

Question 3

Phase 2

Answer 3

Plateau

Ca open and K open

Question 4

Phase 1

Answer 4

Peak

Na close

Question 5

Phase 3

Answer 5

Repolarization

K open

Question 6

Phase 4

Answer 6

Automaticity

Slow increase in potential

Question 7

Supraventricular arrhythmia

Answer 7

Originate above AV node

Sinus tachycardia, AFib, atrial flutter, PSVT

Question 8

Ventricular arrhythmia

Answer 8

Originate below AV

PVC, ventricular tachycardia, ventricular fibrillation

Question 9

Rate control class

Answer 9

Class II, IV

class II are first line

Question 10

Rhythm control

Answer 10

Class I and Class III

Restore normal sinus rhythm

Question 11

Drugs that can cause QT prolongation

Answer 11

Antiarrhythmic (Class I [Ia]), class III 
Quinolones
Macrolide
Flagyl
Bactrim
Azole (posa and voriconazole)
Tricyclics antidepression 
SSRI (citalopram, escitalopram)
SNRI
5HT3 (zofran) 
Protease inhibitor
Antipsychotic 
Oncology 
Tacrolimus, cyclosporine

Question 12

Class I

Answer 12

Na blockers
Ia: Procainamide, disopyramide, quinidine
Ib: lidocaine, mexiletine
Ic: flecainide, propafenone

Question 13

Class II

Answer 13

Block calcium channel

Esmolol
Propranolol

Question 14

Class III

Answer 14

Block K

Dronedarone, dofetilide, amiodarone, sotalol, ibutilide

Question 15

Class IV

Answer 15

Block calcium

Diltiazem, verapamil

Question 16

Norpace

Answer 16

Disopyramide

Question 17

Xylocaine

Answer 17

Lidocaine

Question 18

Rythmol

Answer 18

Propafenone

Question 19

Brevibloc

Answer 19

Esmolol

It’s a Vesicant

Question 20

Inderal, InnoPran

Answer 20

Propranolol

Question 21

Cordarone, Pacerone, Nexterone

Answer 21

Amiodarone

Question 22

Multaq

Answer 22

Dronedarone

Question 23

Betapace, Sorine, Sotylize

Answer 23

Sotalol

Question 24

Corvert

Answer 24

Ibutilide

Question 25

Tikosyn

Answer 25

Dofetilide

Question 26

Calan
Covera
Verelan

Answer 26

Verapamil

Question 27

Cardizem,
Tiazac
Dilacor
Cartia
Diltzac

Answer 27

Diltiazem

Question 28

Adenocard

Answer 28

Adenosine

Question 29

Digox

Lanoxin

Answer 29

Digoxin

Question 30

Afib

Answer 30

Results from multiple waves of electrical impulses in the atria, resulting in an irregular and rapid ventricular response –> ischemia and heart failure

Need AC because
Disorganized depolarization of the atria –> impaired atrial contraction –> risk of thrombosis and stroke

Question 31

Paroxysmal Afib
Persistent Afib
Longstanding persistent
Permanent

Answer 31

Paroxysmal: terminates spontaneously or w/ tx within 7 days

Persistent: last > 7 days

Longstanding: > 12 months

Permanent: no further action

Question 32

Goal HR in Afib

Answer 32

< 80 bpm

< 110 bpm if asymptomatic AND preserved EF