Wolff-Parkinson-White Syndrome

Question 1

What is wolff-parkinson white syndrome (WPW)?

Answer 1

congenital accessory pathway conducts electrical signals between atria and ventricles

Question 2

What is the pathway called for WPW?

Answer 2

bundle of kent

Question 3

What are the causes of WPW?

Answer 3

1. Ebsteins abnormality
2. Mitral valve prolapse
3. HOCM

Question 4

What is Ebsteins abnormality?

Answer 4

displacement of septal and posterior tricuspid leaflets

Question 5

What are signs and symptoms of WPW?

Answer 5

1. Palpitations
2. Chest pain
3. SOB
4. Syncope/dizziness

Question 6

What investigation is done for WPW?

Answer 6

12-lead ECG
Echocardiogram
(finds Ebstein abnormality/HOCM)

Question 7

What are ECG changes in WPW?

Answer 7

1. Delta wave (slurred upstroke)
2. Short PR interval
3. Broad QRS complex

Question 8

What are the management of unstable WPW?

Answer 8

DC cardioversion

Question 9

What is the management of stable WPW?

Answer 9

1. Vagal manoeuvres
2. IV adenosine
3. Temporary pacemaker
4. DC cardioversion

Question 10

What are examples of vagal maneouvers?

Answer 10

1. carotid sinus massage

2. Valsalva