Dr P Boon Lim is a cardiologist and electrophysiologist specialising in heart rhythm disturbances, pacing and syncope at Imperial College London. He performs ablation for atrial and ventricular arrhythmias, and implantation of pacemakers and defibrillators. Dr Lim has a special interest in mapping and ablation of atrial fibrillation (AF), and is currently actively researching best techniques for modulating the autonomic nervous system to treat atrial fibrillation and vasovagal syncope. He also works closely with industry to develop the best techniques for treatment of atrial fibrillation and ventricular ectopy, and is highly skilled at using modern 3-D mapping technologies to treat these common arrhythmias. Dr Lim also leads the Imperial Syncope Diagnostic Centre, a unit that performs approximately 700 tilt table tests per year, and is actively engaged in researching mechanisms of syncope and understanding best treatment strategies for patients with debilitating syncope or symptoms of postural orthostatic tachycardia syndrome (POTS). He runs a syncope clinic based in London at Hammersmith Hospital, providing expert care care and attention to patients who have difficult-to-treat blackouts or faints. Dr Lim participates actively in ongoing research trials focussing on developing the best management strategies for treatment of vasovagal syncope in is the principle investigator for several syncope trials. He is consistently rated highly by patients and colleagues as one of the top syncope doctors and cardiologists in London. Dr Lim was award the prestigious Top Doctor 2017 in Cardiology UK as voted by other doctors.