Supraventricular Tachycardia Flashcards
1
Q
supra ventricular tachycardia
A
arrhythmias that have HR>100 and QRS complex less than 120ms
narrow complex tachycardia
2
Q
examples of SVT
A
AF
AV re-entry tachycardia
AV-node re-entry tachycardia
3
Q
what is the difference between AF and AVRT + AVNRT
A
AF - irregular
AVRT, AVNRT - regular
4
Q
signs
A
palpitations
dizziness
chest pain
5
Q
investigations
A
ECG
6
Q
management
A
valsava maneouvre or carotid massaging
adenosine 6mg adenosine 12mg adenosine 18mg beta blocker/verampil DC cardioversion
7
Q
when do give DC cardioversion as first line
A
heart failure
ischaemia
hypotension
shock
8
Q
what contradicts adenosine and what do you give instead
A
asthma
verampil
9
Q
what is a side effect of adenosine
A
chest pain