Dr Lachlan McDowall is a Cardiologist sub-specialising in arrhythmias as a Cardiac Electrophysiologist (EP). He performs Cardiology & Cardiac Electrophysiology consults at Hornsby Cardiac Diagnostic Unit (HCDU) on Sydney’s North Shore & Gosford Cardiac Clinic on the Central Coast. Dr Lachlan McDowall can perform electrophysiology studies, ablations, pacemaker & defibrillator implantations at Sydney Adventist Hospital (SAH) in Wahroonga & Gosford Private Hospital and implants pacemakers at Gosford Public Hospital. As a Cardiac Electrophysiologist Dr Lachlan McDowall specialises in managing atrial fibrillation (AF) / atrial flutter, supraventricular tachycardia (SVT), atrial / ventricular ectopic beats and ventricular tachycardia (VT) causing symptoms such as palpitations & syncope.