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18 years of experience

Dr Nick Linton works as a consultant Cardiologist specializing in heart rhythm problems. It is a field he finds hugely rewarding. Dr Linton treats patients who have a wide range of presentations, such as palpitation, chest pain, shortness of breath, or collapses. He performs cardiac ablation procedures and pacemaker implantation.

Before pursuing a career in medicine Nick Linton obtained a master's degree in engineering, economics and management from Oxford University. After a period developing new cardiac output monitoring technology, he then studied medicine at King's College, London and qualified with distinction in 2002.

He obtained membership of the Royal Colleges of Physicians (MRCP) and trained in cardiology at Imperial College Healthcare NHS Trust (St Mary's and Hammersmith hospitals), St Thomas' Hospital and also completed a clinical fellowship in Bordeaux, a world renowned centre for cardiac electrophysiology.

Dr Linton is an expert in clinical assessment, investigation as well as invasive procedures for heart problems. As a cardiologist with a background in engineering, he utilised this unique experience in medical research. He has a particular interest in ablation treatments using 3D Mapping technologies. He has developed a leading cardiac mapping system with colleagues at Imperial College.

Diseases, Medical Tests and Treatments
  • Pacemaker Implantation
  • Cardiac Pacing
  • Cardiac ablation (ablation for all types of arrhythmia
  • General cardiology 
  • Heart Rhythm Disorders 
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25 years of experience

Dr Prapa Kangarantnam is a well-respected Consultant Cardiologist with Imperial College Healthcare NHS Trust. Additionally, he practices with HCA Healthcare offering prompt treatment at a time suitable to his clients. He specialises in the interventional treatment of cardiac arrhythmias and treats patients with palpitations, heart failure and atrial fibrillation. Dr Kanagaratnam was one of the first users of robotic ablation technology and throughout his career has used innovative and advanced technologies to offer first-class treatments and services. 


 Dr Kanagaratnam began his career at the prestigious Cambridge University graduating with a Medical Degree before completing specialist training in cardiology and electrophysiology at St Mary's Hospital in London. In 2002 he was awarded his PhD during which he won the British Cardiac Society Young Investigator Prize for his outstanding work. Following this, he received funding from the British Heart Foundation to continue his research and currently is involved in the research of atrial fibrillation, ventricular tachycardia and robotic ablation. He is an Honorary Senior Lecturer at Imperial College, and regularly supervised students during PhD studies. 

Diseases, Medical Tests and Treatments
  • Pacemaker Insertion
  • Angiogram
  • Echocardiogram
  • ECG monitor
  • Inherited Cardiac Conditions
  • Heart Attack
  • Syncope
  • Arrhythmias
  • Atrial Fibrillation
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Recommended by 1 specialist
30 years of experience
Heart Failure, Heart Muscle Disease/Cardiomyopathy, Interventional Cardiology + 1 more

Dr Punit Ramrakha is a Consultant Cardiologist with over 20 years of experience. He specialises in coronary heart disease, hypertension, arrhythmia, blackouts and dizziness, heart failure, and valve disease. He is a skilled interventional cardiologist with broad expertise. His attention to detail and passion for results strengthens his performance across procedures, from coronary angioplasty with stents (including complex treatments such as rotablation and shock wave therapy) as well as structural heart interventions (ASD and PFO closure), and pacemaker implantation.

Dr Ramrakha graduated from Cambridge and Oxford Universities with first-class honoursand was appointed as a Consultant Cardiologist in 2002. His NHS practice is at the Buckinghamshire Hospitals NHS Trust and Imperial College Healthcare NHS Trusts. He has been the Clinical Director of Medicine at Stoke Mandeville Hospital, the Clinical Lead for Cardiology and is currently the Clinical Lead for Heart Failure in Buckinghamshire.

in 2005, Dr Ramrakha founded the Chiltern Hills Heart Clinic, Buckinghamshire's first private cardiology clinic. The clinic has been inspected by the Care Quality Commission several times and has passed each time with flying colours. In 2020, he co-founded the London Heart Practice, to provide excellence in cardiac care even in the time of coronavirus pandemic.

Dr Ramrakha is also well established in the scientific research community, authoring various medical textbooks, such as the Oxford Handbook of Clinical Medicine, Oxford Handbook of Acute Medicine, Oxford Handbook of Cardiology, as well as peer reviewed journals. His research interest is in vascular biology and clinical application of new and digital technologies such as the unique patient app HeartHealth (

Diseases, Medical Tests and Treatments


Arrhythmia (e.g. Atrial Fibrillation)

Blackouts and dizziness


Cardiac Rehabilitation

Chest Pain (Angina)

Cholesterol (Hyperlipidaemia)

Diabetic heart disease


Heart Failure

Heart Health (Wellbeing)

High Blood Pressure

Holes in the Heart



Stents / Angioplasty

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20 years of experience

Dr Wright is a consultant cardiologist at Guys and St Thomas' NHS Trust and The Heart Rhythm Clinic specialising in the management of atrial fibrillation and atrial tachycardias. He is an expert in radiofrequency ablation for the treatment of atrial fibrillation and complex cardiac mapping technologies. He has published over 100 scientific papers and books and is regularly asked to speak at major international meetings. He regularly performs 'live' Atrial Fibrillation ablation cases to teach European electrophysiologists.

Dr Wright trained at University College London after being selected for the prestigious MB PhD programme. He specialised in cardiology and electrophysiology. Following training at Oxford, The Hammersmith and St. Mary's, he spent two years at the world-renowned arrhythmia centre in Bordeaux, with Prof Haissaguerre, Jais and Hocini. He is a Fellow of the Heart Rhythm Society, a Fellow of the Royal College of Physicians and the European Heart Rhythm Association.


Diseases, Medical Tests and Treatments
  • Cardiac Resynchronisation
  • Electrophysiology
  • Pacemaker implantation






  • Arrhythmia
  • Atrial Fibrillation
  • Cardiomyopathy
  • Palpitations
  • Tachycardia


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Recommended by 10 specialists
13 years of experience
Heart Muscle Disease/Cardiomyopathy

Dr Kanaganayagam is a Cardiologist and Honorary Senior Lecturer in Cardiology for Imperial and Chelsea and Westminster NHS Trusts and also offers private consultations. He sees patients with complaints of chest pain, breathlessness, palpitations, dizziness and leg swelling. He also treats patients with known coronary disease, valve disease, arrhythmias and heart failure as well as common conditions such as hypertension and high cholesterol.

He is the Lead for Cardiology Imaging at Chelsea and Westminster Hospitals, and has expertise in CT coronary angiography (with calcium score), stress echocardiography, transoesophageal echos and cardiac MRIs. Importantly, he uses these to thoroughly investigate and treat his patients appropriately, and performs these for other heart specialists to help manage their patients. He has been the Lead for a Community Heart Failure service at Imperial and continues to manage patients with both reduced and preserved systolic function (HFPEF and HFREF).

He continues to participate in original cardiovascular research, and has written review articles and lectured on cardiac CT, echocardiography and cardiac MRI.

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Recommended by 6 specialists
26 years of experience
Interventional Cardiology

Dr Balvinder Wasan trained at St Mary’s Hospital Medical School, which is now part Imperial College Medical School. He qualified in 1994 and undertook his specialist cardiology training in London. He was appointed as an Interventional Cardiology Consultant to the Queen Elizabeth & St Thomas’ Hospitals in 2005 and he also sees patients privately.

Dr Wasan was responsible for setting up a local angioplasty service at QEH and served as Clinical Director for Cardiology from 2013-2018. He has led on numerous patient-care improvement programmes and is also on the interventional rota at the Heart Attack Centre at St Thomas’

Dr Wasan has undertaken research to investigate the changes that occur in heart function after angioplasty and bypass surgery. He is an author of multiple papers on cardiac function, echocardiography, atrial fibrillation and hypertension.

Diseases, Medical Tests and Treatments
  • Screening high risk patients
  • Coronary angiography
  • Coronary angioplasty
  • Pacemaker implantation

  • Ischaemic heart disease (screening, prevention, diagnosis and management)
  • CT Coronary Angiography
  • Coronary Angiography 
  • Percutaneous coronary intervention - Angioplasty
  • Identifying patients at risk of cardiovascular disease
  • Cardiac risk factor identification and management 
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Recommended by 3 specialists
20 years of experience
Heart Failure, Heart Muscle Disease/Cardiomyopathy, Interventional Cardiology

Dr Ian Webb is an Interventional Cardiologist at King's Health Partnership, practising at King's College Hospital, and Guy's and St Thomas' Hospitals in London. Dr Webb specialises in complex coronary intervention and cardiac pacing, and consults on a wide range of other heart conditions including hypertension, heart failure, valvular heart disease, cardiovascular risk assessment and palpitations.

Dr Webb graduated from Oxford University Medical School in 2000, with an additional intercalated 1st Class Honors degree in Physiology and Pharmacology. He undertook training in Cardiology at King's, Guy's and St Thomas' hospitals, with additional sub-speciality Fellowship training in coronary and structural heart intervention at Wellington Hospital, in New Zealand.

Dr Webb is a former BHF Research Fellow and undertook his PhD in molecular cardiology at The Rayne Institute, King's College London.

Diseases, Medical Tests and Treatments
  • CT Coronary Angiogram
  • Coronary Angiography
  • Coronary Stent Insertion
  • Chronic total occlusions
  • Intra-coronary imagina and physiology
  • Angina
  • Arrhythmia (Irregular Heartbeat)
  • Atrial Fibrillation
  • Chest Pain
  • Dizziness
  • Heart Valve Problems
  • Hypertension
  • Heart failure
  • Palpitations
  • Pulmonary Hypertension
  • Unstable Angina 
  • Valvular heart disease
Read more
21 years of experience
Electrophysiology, Interventional Cardiology

I am a Consultant Cardiologist based in London and Kent. 

I have a special interest in the treatment of rhythm disorders of the heart and I believe in putting patients at the centre of their care.

I feel that patients get the best result when treated by a specialist and I no longer treat patients who have chest pains or heart attacks.

The most common symptom that my patients have is palpitations and this can range from an occasional flutter to a racing heart beat and shortness of breath.

An area where I have developed a particular interest is in treating patients who have suffered the effects of chemotherapy on the heart.

I believe in treating you as a whole and will work with you to get to the bottom of what is causing your symptoms.  It is not always obvious at the outset as the tests that we perform in the clinic will just show a snapshot in time.

This is why I have embraced the use of wearable technology and can help you to monitor your heart all of the time, not just in the consulting room.

My patients always have access to me and my team and I have set up a private WhatsApp Heart Support Group where you can share your experiences and discuss things in a safe and closed environment.

I want to provide accessible and convenient care and I undertake remote video, phone as well as face to face consultations in London and Kent. 

I strive to ensure that I always have enough time to listen to you and am always happy to see any of my previous patients if there is a recurrence of their problems or if their symptoms have not improved.

I am able to offer a range of treatments from advice around diet and lifestyle, through to medical treatments and on to more invasive procedures such as cardiac ablations, pacemaker and defibrillator implantation.

I graduated with distinction from Guy’s, King’s and St Thomas’s School of Medicine in 1999, and trained in Cardiology in London and the South East. I researched the use of echocardiography to assess the effect of cardiac pacing and was awarded a research doctorate by Kings College London. I am accredited by the International Board of Heart Rhythm Examiners in Cardiac Electrophysiology and Device therapy. I am a Fellow of the Heart Rhythm Society and the Royal College of Physicians.

I am accredited by the International Board of Heart Rhythm Examiners in both cardiac pacemakers/defibrillators and in adult cardiac electrophysiology.

I am a Fellow of the Heart Rhythm Society and a Fellow of the Royal College of Physicians

I practice at the Spire Alexandra Hospital, the Kent Institute of Medicine and Surgery, the London Bridge Hospital and Guy’s and St Thomas’s Hospitals in London.  My NHS practice is at Medway Maritime Hospital and at St Thomas’s Hospital, London.

I am accredited by the International Board of Heart Rhythm Examiners

I am currently Principal Investigator on several multi-centre international clinical trials to bring cutting edge research to patients.

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Recommended by 1 specialist
17 years of experience
Electrophysiology, Interventional Cardiology

Dr. Husain Shabeeh is a Consultant Cardiologist currently working for the private practices, Harley Street Clinic, The Wellington Hospital and London Bridge Hospital, in London. He current NHS bases are King’s College Hospital and Croydon University Hospital. He specialises in electrophysiology, complex devices and general cardiology and his areas of interest include cardiology, arrhythmia, atrial fibrillation, coronary artery disease, echocardiography, hypertension, interventional cardiology and stroke prevention.

Dr. Shabeeh is highly educated, he qualified as a doctor at Guy’s, King’s College & St. Thomas’ Hospitals School of Medicine. He has also completed a PhD, in Cardiovascular Medicine from King’s College University, an MBBS and a CCDS. His many years of experience and education make him an expert in his field.

Dr. Shabeeh is active in research, he has published in many peer-reviewed scientific journals regarding topics such as blood pressure. He has received awards such including 2 competitive scholarships from British Heart Foundation. He has also utilised his expertise to present nationally and internationally. Additionally, he has a keen interest in the implementation of modern technology in healthcare and is working to use modern technology in the screening of atrial fibrillation.

Diseases, Medical Tests and Treatments
  • Electrophysiology studies
  • Catheter ablation for SVT
  • Catheter ablation for atrial flutter
  • Catheter ablation for atrial fibrillation (AF)
  • Catheter ablation for atrial tachycardia (AT)
  • Catheter ablation for ventricular ectopy
  • Tilt-table testing


  • Blackouts
  • Syncope
  • Light-headedness
  • Palpitations
  • Chest pains
  • Breathlessness
  • Heart rhythm disorders
  • Simple and complex catheter ablation procedures using the latest technologies for arrhythmias, including atrial fibrillation.
  • Implantation of all types of cardiac devices including implantable loop recorders, pacemakers, defibrillators and cardiac resynchronisation therapy for heart failure.
  • Patients with syncope and postural tachycardia syndrome (POTS)
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24 years of experience
Interventional Cardiology, Electrophysiology

Dr Narbeh Melikian is a Consultant Cardiologist and Honorary Senior Lecturer at King’s College Hospital and King’s College School of Medicine in London - he also sees patients privately. Dr Melikian trained at Guy’s & St Thomas’ Hospitals Medical School, qualifying with Distinction in 1996 and was awarded a Doctorate in Medicine (MD) from the University of London in 2010. He underwent postgraduate training at the Hammersmith, Royal Brompton and King’s College Hospitals in London. Dr Melikian undertook a two-year interventional Fellowship at the world-renowned Cardiovascular Centre in Aalst, Belgium and a heart valve disease Fellowship at the Groote Schuur Hospital in Cape Town, South Africa.

To date, Dr Melikian has received over 11 academic and clinical awards including the prestigious British Cardiac Society John Parker Fellowship (2005 - 2007), the Foord Caiger Prize in Cardiology and the Golding Bird and Treasurer’s Medals. In 2012 he was invited to join a panel of cardiologists providing emergency cardiology cover for the London Olympic Games.

Dr Melikian maintains a large clinical practice encompassing all aspects of coronary and structural intervention as well as general cardiology. In parallel with his complex interventional work, he maintains a busy general cardiology practice covering a wide spectrum of pathology with a special emphasis on management of chest discomfort, breathlessness, cardiac arrhythmias, heart failure and heart valve disease. He regularly assesses and treats patients with cardiovascular risk factors and has a special interest in the management of patients with resistant high blood pressure.

He has an international reputation in interventional cardiology specialising in all aspects of coronary intervention in particular complex angioplasty as well as interventional management of myocardial infarction and remains one of the highest volume interventional cardiologists in the UK. He also has an active structural interventional practice regularly closing septal defects such as patent foramen ovale (PFO) as well as a left atrial appendage (LAA) with emphasis on prevention of stroke and TIA. He was instrumental in securing national commissioning for these structural services to King’s College Hospital in 2014 and has set up the Neuro-Cardiac Multidisciplinary Meeting (MDM) with the colleagues from the regional Stroke and Neurology Units at King’s College Hospital which he continues to chair. 

Dr Melikian has an ongoing clinical research programme with an international reputation on coronary physiology. He collaborates widely and is involved in multiple international clinical trials. To date, his research has been supported through a number of competitively awarded scientific grants from the British Cardiac Society, British Heart Foundation and National Academy of Sciences.

Outside of work Dr Melikian’s passion is music, he loves all sorts of music from Coldplay to the Eurythmics to Elgar and to complement this, he plays the piano and sings in a choir.

Diseases, Medical Tests and Treatments
  • Angioplasty 
  • Interventional Management of Myocardial Infarction
  • Arrhythmia
  • Septal Defects
  • Heart Valve Problems
  • High Blood Pressure
  • Heart Failure
  • Chest Pain
  • Breathlessness
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