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Updated: Jun 11, 2026

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
Published on: December 11, 2017
Aubrey Leatham and the introduction of cardiac pacing to the UK
A John Camm1, Sue Jones, Michael D Gammage
1British Heart Foundation Professor of Clinical Cardiology, St George's Hospital and University of London, Cranmer Terrace, London SW17 0RE, UK. jcamm@sgul.ac.uk
Insights
Dr. Aubrey Leatham pioneered cardiac care at St. George's Hospital, developing auscultation skills and establishing a UK cardiac unit. He was instrumental in the UK's first indwelling pacemaker implant in 1961.
Area of Science:
- Cardiology
- Medical History
Background:
- Establishment of a dedicated cardiac unit at St. George's Hospital by Dr. Aubrey Leatham in the early 1950s.
- Development and teaching of cardiac auscultation as an essential clinical skill.
- Integration of clinical cardiac patient care with physiological academic research.
Discussion:
- Dr. Leatham's pioneering work in cardiac pacing.
- The first UK implantation of an 'indwelling' pacemaker in 1961 by Siddons, Humphries, and Leatham.
- The technical details of the early pacemaker, including its nickel-cadmium power source requiring weekly recharging.
Key Insights:
- The foundational role of Dr. Aubrey Leatham in establishing modern cardiac care and research at St. George's Hospital.
- Significant advancements in cardiac pacing technology, exemplified by the 1961 pacemaker implantation.
- The historical context of early pacemaker technology and its limitations.
Outlook:
- The legacy of Dr. Leatham's contributions to cardiology and clinical practice.
- The historical significance of early cardiac pacing in managing heart block and Stokes-Adams attacks.
- The evolution of pacemaker technology from early designs to modern devices.
Abstract:
In the early 1950s, Dr Aubrey Leatham established a cardiac unit at St. George's Hospital, Hyde Park Corner, London. He developed and taught the essential clinical skill of cardiac auscultation. Under his guidance a clinical department for the care of cardiac patients was developed and coupled to physiological academic research. He was a pioneer in cardiac pacing and, in 1961, Harold Siddons, O'Neal Humphries, and Aubrey Leatham implanted the first 'indwelling' pacemaker in the UK in a 65-year-old man with repeated Stokes-Adams attacks due to complete heart block. The nickel-cadmium 'accumulator', which powered the pacemaker, had to be recharged once a week.
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