This text provides a practical approach to cardiac electrophysiology in an easy-to-use pocket reference. Presented in a concise manner utilisingcharts, illustrations and graphs, this pocket resource provides all of the essential information related to electrophysiology studies and therapeutic interventions. It comprehensively covers lab set-up, basic principles of electrophysiology, care of the patient, sinus node evaluation, atrioventricular conduction evaluation, paroxysmal supraventricular tachycardia, ventricular tachycardia, sudden cardiac death, permanent pacemakers.