Dr. Mellor graduated from the University of Cambridge in 2004 and completed the majority of his medical training in East Anglia. He undertook a clinical research fellowship, funded by Cardiac Risk in the Young, at St. George’s, University of London in the field of sudden cardiac death and exercise which led to the award of an MD(Res) in 2017. He also completed a clinical fellowship in cardiac electrophysiology with a focus on inherited arrhythmia syndromes at St. Paul’s hospital Vancouver. 

Dr. Mellor treats a wide range of heart rhythm disorders with particular interests in inherited arrhythmia syndromes, unexplained cardiac arrest and arrhythmias in athletes.

Specialist Clinical Interests
  • Inherited Arrhythmia Syndromes
  • Sudden Cardiac Arrest,
  • Sports Cardiology
Research Interests

Risk stratification and genotype-phenotype correlation in inherited arrhythmia syndromes and unexplained cardiac arrest

Education and Training
  • MA (Pathology), University of Cambridge, 2002
  • MB BChir, University of Cambridge, 2004
  • European Heart Rhythm Society Certification in Invasive Electrophysiology, 2017
  • MD (Res), St. George’s Univeristy of London, 2017
Current membership(s) of professional, national and regional bodies and university posts
  • Member of the Royal College of Physicians, London.
  • Member of the General Medical Council (registration number: 6117239).
  • Honorary Research Fellow St. George’s, University of London
  • Member of the British Heart Rhythm Society
  • Member of the Association of Inherited Cardiac Conditions
Recent and Important Publications

M Papadakis, E Papatheodorou, G Mellor, H Raju, R Bastiaenen, Y Wijeyeratne, S Wasim, B Ensam, G Finocchiaro, B Gray, A Malhotra, A D’Silva, N Edwards, D Cole, V Attard, V Batchvarov, M Tome-Estaban, T Homfray, MN Sheppard, S Sharma, ER Behr. The Diagnostic Yield of Brugada Syndrome after Sudden Death with Normal Autopsy. JACC 2018:71(11);1204-1214

H Dhutia, A Malhotra, TJ Yeo, I Chis Ster, V Gabus, A Steriotis, H Dores, G Mellor, C Garcia-Corrales, B Ensam, V Jayalapan, V Ezzat, G Finnachiaro, S Gati, M Papadakis, M Tome, S Sharma. Inter-rater Reliability and Downstream Financial Implications of ECG Screening in Young Athletes Circulation: Cardiovascular Quality and Outcomes 2017 Aug;10(8):e003306.

G Mellor, Z Laksman, R Tadros, J Roberts, B Gerull, C Simpson, G Klein, J Champagne, M Talajic, M Gardner, C Steinberg, L Arbour, DH Birnie, P Angaran, R Leather, S Sanatani, VS Chauhan, C Seifer, JS Healey, AD Krahn. Genetic Testing in the Evaluation of Unexplained Cardiac Arrest: From the Cardiac Arrest Survivors with Preserved Ejection Fraction Registry (CASPER) Circ Cardiovasc Genet 2017:10(3);e001686

N Lahrouchi, H Raju, EM Lodder, S Papatheodorou, JS Ware, M Papadakis, R. Tadros, D. Cole, JR Skinner, J Crawford, DR Love, CJ Pua, BY Soh, JD Bhalshankar, R Govind, J Tfelt-Hansen, BG Winkel, C van der Werf, YD Wijeyeratne, G Mellor, J Till, M   Cohen, M Tome-Esteban, S Sharma, AA Wilde, SA Cook, CR Bezzina, MN Sheppard, ER Behr. Utility of Post-Mortem Genetic Testing in Cases of Sudden Arrhythmic Death Syndrome (SADS) JACC 2017:69(17);2134-45

G Mellor, ER Behr. Genetic testing in Idiopathic Ventricular Fibrillation: Searching for a needle in a haystack? Heart Rhythm 2017:14(7);1041-1042

G Mellor, CP Nelson, C Robb, H Raju, Y Wijeyeratne, C Hengstenberg, W Reinhard, M Papadakis, S Sharma, N Samani, ER Behr. The prevalence and significance of the Early Repolarisation pattern in Sudden Arrhythmic Death Syndrome (SADS) families. Circ Arrhythm Electrophysiol 2016:9(6);e003960

G Mellor, Z Laksman, C Steinberg, M Deyell. Short Coupled Ventricular Fibrillation: Concealed Purkinje Depolarization​​​​​​​. J Cardiac Electrophsyiol 2016:27(10);1236-1237

G Finocchiaro, M Papadakis, JL Robertus, H Dhutia, A Steriotis, M Tome, G Mellor, A Merghani, A Malhotra, E Behr, S Sharma, M Sheppard. The aetiology of sudden death in sport: Insights from a large regional registry in the UK. JACC 2016;67(18):2108-15

C Cheung, Z Laksman, G Mellor, S Sanatani, A Krahn. Exercise and Inherited Arrhythmias​​​​​​​. Canadian Journal of Cardiology 2016;32(4):452-8

H Dhutia, A Malhotra, S Parpia, V Gabus, G Mellor, A Merghani, L Millar, R Narain, M Papadakis, N Sheikh, ER Behr, S Sharma. ​​​​​​​The prevalence and significance of a short QT interval in 18,825 low risk individuals including athletes. British Journal of Sports Medicine 2016;50(2):124-9

G Mellor, H Raju, SV de Noronha, M Papadakis, S Sharma, ER Behr, MN Sheppard. Clinical Characteristics and Circumstances of Death in the Sudden Arrhythmic Death Syndrome. Circulation, Arrhythmia & Electrophysiology 2014;7:1078-1083

G Mellor, ER Behr. Sudden Unexplained Death: Treating the Family. Arrhythmia & Electrophysiology Review 2014 3(3):156-160