Supraventricular Tachycardia

Question 1

Universal guidelines for SVT

Answer 1

12 lead ECG
IV Salien to optimise preload

Question 2

Protocol for Haemodynamically stable adults

Answer 2

Valsalva Maneouvre
OR
IV Adenosine

Question 3

Dosages of IV Adenosine in stable SVT

Answer 3

Rapid push with saline
-1st dose 6mg
-2nd dose 12mg (if required after 2 mins)
-3rd dose 12mg (if required after 2 mins)

Question 4

Protocol for inadequately perfused Adult

Answer 4

Midazolam 1mg increments
AND
Synchronised cardioversion
-1st dose 100J
-2nd dose 150J (if required)

Question 5

What is the aim of Midazolam prior to cardioversion

Answer 5

Amnesia and drowsiness with ability to respond to verbal stimuli
NOT indicated for post procedure retrograde amnesia

Question 6

What dose of Midazolam do we give prior to cardioversion

Answer 6

1mg increments up to a total max of 5mg

Question 7

Protocol for stable symptomatic SVT in Paediatrics

Answer 7

Valsalva maneouvre
IV adenosine

Question 8

What are the dosages of Adenosine in stable paediatrics with SVT

Answer 8

Proximal IV
1st dose 100mcg/kg
2nd dose 200mcg/kg (if required after 2 mins)
3rd dose 300mcg/kg (if required after 2 mins)

Question 9

SVT protocol for an inadequately perfused paediatric with a deteriorating GCS

Answer 9

Synchronised cardioversion
1st dose 1J/kg
2nd dose 2j/kg (if required)