wolff-parkinson white

Question 1

what is wolff-parkinson white syndrome

Answer 1

caused by a congenital accessory conducting pathway between atria and ventricles leading to atrioventricular re-entry tachycardia

Question 2

ECG features in wolff-parkinson white

Answer 2

short PR interval
wide QRS complexes with slurred upstroke
axis deviation- depending on the side of accessory pathway

Question 3

how to differentiate between type A and B wolff-parkinson white

Answer 3

type A (left): dominant R wave in V1
type B (right): no dominant R wave in V1

Question 4

associations of WPW

Answer 4

HOCM
mitral valve prolapse
ebstain’s anomaly
thyrotoxicosis
secundum ASD

Question 5

management of WPW

Answer 5

definitive treatment: radiofrequency ablation of the accessory pathway
medical:
- sotalol (avoided if coexistent AF)
- amiodarone
- flecainide