Supraventricular Tachycardia Flashcards

1
Q

supra ventricular tachycardia

A

arrhythmias that have HR>100 and QRS complex less than 120ms

narrow complex tachycardia

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2
Q

examples of SVT

A

AF
AV re-entry tachycardia
AV-node re-entry tachycardia

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3
Q

what is the difference between AF and AVRT + AVNRT

A

AF - irregular

AVRT, AVNRT - regular

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4
Q

signs

A

palpitations
dizziness
chest pain

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5
Q

investigations

A

ECG

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6
Q

management

A

valsava maneouvre or carotid massaging

adenosine 6mg
adenosine 12mg
adenosine 18mg
beta blocker/verampil
DC cardioversion
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7
Q

when do give DC cardioversion as first line

A

heart failure
ischaemia
hypotension
shock

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8
Q

what contradicts adenosine and what do you give instead

A

asthma

verampil

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9
Q

what is a side effect of adenosine

A

chest pain

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