Regular Supraventricular Tachycardia Flashcards

1
Q

when is it most common

A

paediatrics

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2
Q

what is cause

A

AV node re-entrant tachycardia
AV reciprocating tachycardia
Ectopic atrial tachycardia
WPW

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3
Q

what is WPW

A

caused by congenital accessory conduction pathway connecting atria and ventricles which does not have rate lowering properties of AV node

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4
Q

what is treatment of WPW

A

destruction of abnormal electrical pathway by radio frequency ablation by cardiac electrophysiologists

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5
Q

treatment of acute if haemodynamically stable

A

increase vagal tone
valsalva maneouvure (forceful attempt exhalation against closed airway)
carotid massage

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6
Q

treatment of acute if haemodynamically unstable

A

emergency cardioversion

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7
Q

treatment of chronic

A
avoid stimulants
adenosine 
class II (atenolol, bisprolol, metopolol, propranolol)
class III (amiodarone)
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