Ventricular Preexcitation Syndrome

Wolff-Parkinson-White Syndrome (Ventricular Preexcitation Syndrome)

• This syndrome occurs when the conduction travels from the SA node and then completely bypasses the AV

node and travels to the bundle of His or the ventricles.

Causes

Hypertrophic cardiomyopathy (cats); congenital heart disorders

ECG Appearance: Short PR interval; Prolonged QRS complex; Notch in the R wave

Treatment

Treatment for tachycardia if necessary: digoxin, quinidine etc.