
Dr Alessandro Giardini

Professional statement
Dr Alessandro Giardini is an award-winning and leading cardiologist based at the world-renowned Great Ormond Street Hospital (GOSH) in London, specialising in paediatric cardiology. An expert on congenital heart disease, Dr Giardini is the lead of inpatient services at GOSH, and also provides outpatient consultations for all manner of heart problems in children, including palpitations, heart murmurs, chest pain, and heart valve issues. He also privately practices at The Harley Street Clinic Children's Hospital, The Portland Hospital and Chase Lodge Hospital, alongside Bupa Cromwell Hospital.
Dr Giardini's experience in congenital heart disease extends to the diagnosis and management of a wide range of defects in babies, children and adolescents. His GOSH unit has pioneered techniques including transcatheter pulmonary valve replacement and Dr Giardini's involvement in paediatric cardiac research means his patients are treated according to the latest and most successful techniques.
Dr Giardini, who is a Top Doctors 2021 award winner, also leads specialist clinics for children with paediatric hypertrophic cardiomyopathy. He's highly regarded for expertise in providing guidance for children and adolescents with documented cardiac disease and those with symptoms during exercise, such as palpitations, chest pains or fainting/syncope.
His philosophy is a patient-centric approach, delivering treatment with compassion and understanding, and personalising his consultations and treatment to each child and their family.
Dr Giardini has a medical degree and a PhD (in the pathology of heart failure in patients with congenital heart defects) from the University of Bologna's (Italy) School of Medicine. Dr Giardini went on to undergo extensive training in paediatric cardiology both in Bologna and in San Francisco, USA. He is actively involved in research, having published over 120 articles in peer-reviewed journals.
Clinics

Great Ormond Street Hospital
Central London, Great Ormond Street. WC1N 3JH,Medical insurances accepted
Credentials
Professional experience
- 27 years of experience
- Consultant paediatric cardiologist, Great Ormond Steet Hospital (2007 - present)
Subspecialties
- Chest pain
- Heart murmur
Education
- PhD, Paediatric cardiology, Università di Bologna (2007)
- CCST, Cardiology (Paediatric Cardiology), Università di Bologna (1999 – 2004)
Teaching posts
- Educational and Clinical Supervisor in Paediatric Cardiology, Great Ormond Street Hospital
Publications and conferences
- Contribution of rare inherited and de novo variants in 2,871 congenital heart disease probands. Jin SC, Homsy J, Zaidi S, Lu Q, Morton S, DePalma SR, Zeng X, Qi H, Chang W, Sierant MC, Hung WC, Haider S, Zhang J, Knight J, Bjornson RD, Castaldi C, Tikhonoa IR, Bilguvar K, Mane SM, Sanders SJ, Mital S, Russell MW, Gaynor JW, Giardini A, Porter GA Jr, Srivastava D, Lo CW, Shen Y, Watkins WS, Yandell M, Yost H, Tristani-Firouzi M, Newburger JW, Roberts AE, Kim R, Zhao H, Kaltman JR, Goldmuntz E, Chung WK, Seidman JG, Gelb BD, Seidman CE, Lifton RP, Brueckner M.
- Contribution of rare inherited and de novo variants in 2,871 congenital heart disease probands. Nat Genet. 2017 Nov;49(11):1593-1601.
Prizes and awards
- Winner, Top Doctors Awards 2021 (2021)
Languages spoken
- English
- Italian
Reviews
- Would you recommend this doctor?
- Treatment of the doctor
- Treatment of the staff
- Waiting time
- Condition of facilities
- I’m lost for words of how incredible Dr Alessandro Giardini and his team are. My daughter was diagnosed with a Large ASD and Alessandro went above and beyond to help us and make sure that our daughter got the best care she needed.
- The doctor was very understanding and professional, he answered all our questions and advised us on the next steps.
- Very professional, and made my son comfortable. Obviously has a lot of experience in his field. Very observant. I would definitely recommend and would happily see him again if needed.
- Very efficient process. Kind and thorough assessment.
- Excellent service, made my little boy feel comfortable.
- Although we were a little late being seen, in the context of a busy hospital this was absolutely no problem at all.
- Put my daughter at ease. Wonderful manner.