Dr Catherine Armstrong

Dr Catherine Armstrong is a highly regarded Consultant Paediatric Cardiologist who is dedicated to providing compassionate and comprehensive cardiac care for infants, children, and young people. Based in Bristol, she specialises in diagnosing and managing a diverse range of congenital and inherited heart conditions. Dr Armstrong is known for her reassuring and patient-centred approach, ensuring that young patients and their families feel supported and fully informed throughout their treatment journey.

With a particular clinical focus on inherited cardiac conditions, Dr Armstrong leads and participates in several highly specialised clinics. Her areas of expertise encompass the management of aortopathy, arrhythmia, cardiomyopathy, and metabolic cardiomyopathy. She also provides expert care for children with genetic conditions such as Marfan syndrome, Loeys-Dietz syndrome, and Duchenne muscular dystrophy. Additionally, she serves as the dedicated Paediatric Cardiologist for the national Barth Syndrome Service, delivering essential multidisciplinary care for children affected by this rare genetic disorder.

Dr Armstrong completed her medical education at Queen's University Belfast, graduating with her Bachelor of Medicine, Bachelor of Surgery (MB BCh BAO) and a Bachelor of Science (BSc) in 2003. She went on to complete her general paediatric training in Northern Ireland before relocating to Bristol to undertake her advanced specialist training in paediatric cardiology. She is an active member of the South Wales and South West Congenital Heart Disease Network, collaborating closely with regional colleagues to maintain the highest standards of paediatric cardiac care.