Arrythmia - SVT

Question 1

x

Answer 1

x

Question 2

x

Answer 2

x

Question 3

x

Answer 3

x

Question 4

x

Answer 4

x

Question 5

x

Answer 5

x

Question 6

first line acute management of SVT ?

Answer 6

VALSALVA MANUVER - blow into emplty plastic syringe
carotid sinus massage

Question 7

second line managmnet of SVT ?

Answer 7

IV adenosine - rapid IV bolus of 6mg , then 12mg , then further 18 mg

ADENOSINE IS CONTRAINDICATED IN ASTHMATICS

Question 8

what can we give instead of adenosine in ASTHMATICS ?

Answer 8

VERAPAMIL

Question 9

Third line management of SVT ?

Answer 9

ELETRICAL CARDIOVERSION

Question 10

when should anticoagulant be considered in afib?

Answer 10

men CHA2DS2 VASC = >1
women CHA2DS2-VASC =>2

CCF = 1
HYPERTENSION =1 
AGE >65 = 1  >75=2
DM = +1
previous stroke / TIA =2
vascular disease history -MI or peripheral vascular disease = +1

Question 11

how to prevent further SVT episodes ?

Answer 11

BETA BLOCKERS
AND RADIO FREQ ABLATION

Question 12

x

Question 13

x

Question 14

x

Question 15

x

Question 16

x

Question 17

what is Multifocal atrial tachycardia

Answer 17

irregular cardiac rhythm caused by at least three different sites in the atria

demonstrated by morphologically distinctive P waves

Question 18

who is Multifocal atrial tachycardia more common in ?

Answer 18

elderly patients with chronic lung disease, for example COPD

Question 19

managmnet of Multifocal atrial tachycardia

Answer 19

correction of hypoxia and
electrolyte disturbances

rate-limiting calcium channel = VERAPAMIL

blockers are often used first-line
cardioversion and digoxin are not useful in the management of MAT

Question 20

how to differentiate vtach from SVT with aberrant conduction?

Answer 20

AV dissociation

fusion or capture beats

positive QRS concordance in chest leads

marked left axis deviation

history of IHD

lack of response to adenosine or carotid sinus massage

QRS > 160 ms