wolf parkinson white

Question 1

what is wolf parkinson white

Answer 1

congenital pre-excitation syndrome that occurs due to the presence of an accessory electrical pathway between the atria and ventricles. It predisposes the patients to supraventricular tachycardias, especially AVRT

Question 2

classification of WPW

Answer 2

type A = pathway between left side
Type B = pathway between right side

Question 3

signs

Answer 3

none, palpitations, dizziness, syncope

Question 4

investigations of WPW

Answer 4

ECG (delta, short PR, Broad QRS), bloods, imaging (echo, cardiac catheterisation)

Question 5

long term management of WPW

Answer 5

anti-arrhythmics (amiodarone, sotalol), radiofrequency ablation

Question 6

Contraindications in WPW

Answer 6

AVN blockers such as digoxin, adenosine and non- dihydropyridine calcium-channel blockers

Question 7

emergency management of WPW

Answer 7

synchronised cardioversion, vagal manouevres, adenosine

Question 8

complications of WPW

Answer 8

atrial fibrillation can pass to the ventricles via accessory pathway causing ventricular fibrillation and cardiac arrest