Condition- Wolff-Parkinson- White syndrome

Question 1

What is Wolff-Parkinson-White Syndrome?

Answer 1

A congenital supra-ventricular tachycardia pre-excitation syndrome

Question 2

What congenital abnormality causes Wolff-Parkinson-White Syndrome?

Answer 2

• Presence of an accessory pathway (bundle of Kent)

Question 3

List 4 conditions which are associated with WPW syndrome

Answer 3

• Cardiomyopathis e.g. HOCM
• Mitral valve prolapse
• Ebstein’s anomaly (congenital malformation of the heart characterised by displacement of septal and posterior tricuspid leaflets)
• Congenital cardiac defects e.g. secundum ASD

Question 4

List some of the symptoms of WPW syndrome

Answer 4

• Palpitations
• Light-headedness
• Syncope

Question 5

Why might you get polyuria after an episode of SVT?

Answer 5

atrial dilatation leads to release of ANP

Question 6

Describe a deadly complication of WPW syndrome

Answer 6

WPW may cause AF which can easily develop into VF => cardiac arrest

Question 7

What might you see on an ECG of someone with WPW syndrome?

Answer 7

• tachycardia
• Short PR interval
• Broad QRS complex with delta wave

Question 8

Under what circumstance would a person with WPW syndrome have a normal ECG?

Answer 8

If Bundle of His and Bundle of Kent have same conduction speed