Wolff-Parkinson-White Flashcards
WPW
A congenital abnormality which can result in supraventricular tachycardias that can use an accessory pathway, it’s a pre-excitation syndrome.
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WPW aetiology?
accessory pathway (bundle of Kent) is usually congenital. WPW is associated with congenital cardiac defects, Ebsteins anomaly, mitral valve prolapse, cardiomyopathies
![](https://s3.amazonaws.com/brainscape-prod/system/cm/267/670/385/a_image_thumb.jpg?1550003778)
WPW epidemiology?
common, found in all ages, more common in young with prevalence decreasing with age. May occur in early childhood.
WPW symptoms?
often asymptomatic, palpitations, light headedness, syncope , Paroxysmal SVT may be followed by a period of polyuria, due to atrial dilatation and release of ANP, sudden death if SCT deteriorates to VF.
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WPW investigations ECG?
short PR interval, broad QRS complex, slurred upstroke producing a delta wave
![](https://s3.amazonaws.com/brainscape-prod/system/cm/267/670/388/a_image_thumb.jpg?1550003850)
WPW investigations others?
check bloods for causes of arrhythmias, echocardiogram to check for structural heart defects.