* More than 25 years of experience* Consultant Cardiologist, St George's Hospital NHS Trust (2008 - present) * Consultant Cardiologist, Spire St Anthony's Hospital (present)* Consultant Cardiologist, BMI The Runnymede Hospital (present)* Ashford and St. Peter€™s Hospitals NHS Trust* Consultant Cardiologist Electrophysiologist, University Hospital Wales, Cardiff (2007 - 2008)* Cardiologist and Chief of Electrophysiology, Policlinico Universitario €œTor Vergata€, Rome, Italy (2003 - 2006) ...

* Bachelor of Sciences* Doctor of Medicine (1996) * MB BCh BAO (1990)* Bachelor of Science (1987) ...

* Fellowship of the Royal College of Physicians of Ireland (FRCPI)* Membership of the Royal Colleges of Physicians * British Heart Foundation* Research Fellow in Clinical Cardiology, St. George€™s Hospital Medical School ...

* Shanahan Prize in Cardiology (1999)

* Harding I, Bastiaenen R, Khan P, Sharma R, Gallagher MM. EP Image: A fibrillating left atrial appendage during sinus rhythm. JACC: Clinical Electrophysiology 2016;1: in press. (accepted 08/09/2016).* Gonna H, Domenichini G, Zuberi Z, Norman M, Kaba R, Roberts D, Gang Y, Grimster A, Gallagher MM. Safety and efficacy of the STSF catheter: case-control comparison to the original SF in the first 100 cases. Europace 2016 (EUPC-D-16-00096R2). * Bastiaenen R, Gonna H, Merghani A, Valencia O, Camm AJ, Gallagher MM. The ventricular ectopic QS interval (VEQSI): A potential marker for ventricular arrhythmia in ischaemic heart disease. JACC: Clinical Electrophysiology 2016;1: in press. doi.org/10.1016/j.jacep.2016.0 4.005.* Gonna H, Grimster A, Robertson D, Gallagher MM. Concealed conduction in atrial tachyarrhythmia demonstrated in a heartbeat. Heart Rhythm Case Reports 2016. (accepted 31/08/2016).* Dhillon PS, Domenichini G, Gonna H, Li A, Sunni N, Mahmoudi M, Gallagher MM. Ventricular Fibrillation Treated by Cryotherapy to the Right Ventricular Outflow Tract: A Case Report.* Gonna H, Gallagher MM. Heart Rhythm Issues (book chapter). In: Core Topics in Pre-Operative Anaesthetic Assessment and Management, edited by Drs Crerar-Gilbert and Macgregor. 2016. Cambridge: Cambridge University Press.* Domenichini G, Gonna H, Sharma R, Conti S, Fiorista L, Jones S, Arthur M, Adhya S, Jahangiri M, Rowland E, Gallagher MM. Non-laser extraction of pacemaker and ICD leads: a decade of progress. Europace 2016. (DOI 10.1093/europace/euw162).* Gonna H, Domenichini G, Conti S, Gomes J, Raju H, Gallagher MM. EP image: Cryoballoon isolation of the Superior Vena Cava. JACC: Clinical Electrophysiology 2016;1: in press (accepted 14/01/16, JEP010316-0003R).* Gonna H, Domenichini G, Zuberi Z, Adhya S, Sharma R, Anderson LJ, Beeton I, Dhillon PS, Gallagher MM. Femoral implantation and pull through as an adjunct to traditional methods in cardiac resynchronization therapy. Heart Rhythm 2016; 13:1260-5.* Bastiaenen R, Pantazis A, Gonna H, Chis-Ster I, Castelletti S, Batchvarov VN, Domenichini G, Coccolo F, Boriani G, McKenna WJ, Behr ER, Gallagher MM. The ventricular ectopic QRS interval (VEQSI): Diagnosis of arrhythmogenic right ventricular cardiomyopathy in patients with incomplete disease expression. Heart Rhythm 2016; 13:1504-12.* Gang Y, Gonna H, Domenichini G, Sampson M, Aryan N, Norman M, Behr ER, Zuberi Z, Dhillon P, Gallagher MM. Evaluation of the Achieve Mapping Catheter in cryoablation for atrial fibrillation: a prospective randomized trial. J Interv Card Electrophysiol 2016; 45:179-87.* Gonna H, Domenichini G, Gallagher MM. Successful Transvenous Lead Extraction after a Failed Open Surgical Attempt. Europace 2016 ; 18:130.* Raju H, Gomes J, Gonna H, Gallagher MM. EP Image: Cryoballoon Pulmonary Vein Isolation after Lobectomy. JACC: Clinical Electrophysiology 2015;1: 461-462. doi:10.1016/j.jacep.2015.06.006.* Marciniak A, Gonsalves M, Gallagher MM. Superior vena cava syndrome after radiofrequency sinus node modification treated with thrombolysis and stent implantation. Europace 2015; 17:37.* View Dr Mark Gallagher's publications on ResearchGate. ...