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Treatment

If your cat is suffering from ventricular pre-excitation but does not have tachycardia, no treatment is needed. However, those with WPW syndrome will require conversion by dirrect shock (the most effective treatment) or by ocular or carotid sinus pressure, or drugs. 

Catheter ablation with radiofrequency current is a relatively recent technique that allows accessory pathways to be destroyed or ablated by a transvenous catheter positioned at the site of the pathway in the heart. It may be recommended due to the alternative: a lifelong therapy of drugs.

Living and Management

The prognosis depends on the severity of the underlying cause.  Most pets with WPW syndrome, however, respond well to therapy for supraventricular tachycardia.