Dr Nick Linton is one of London's leading cardiologists. He specialises in arrhythmia as well as implanting pacemakers and cardiac defibrillators and is based at Imperial College Healthcare NHS Trust. He is dedicated to research and has a background in engineering as well as cardiology which has led to groundbreaking developments in his field. He has authored over 50 research articles and has pioneered a new method of arrhythmia mapping that is now incorporated into the leading commercial system and routinely used at Imperial. He is also the co-inventor of Ripple Mapping, a technique that is now used internationally for treating arrhythmia patients.