Imperial College London

DrViasMarkides

Faculty of MedicineNational Heart & Lung Institute

Honorary Clinical Senior Lecturer
 
 
 
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Contact

 

+44 (0)20 7351 8619v.markides

 
 
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Assistant

 

Dr Tom Wong +44 (0)20 7351 8619

 
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Location

 

Chelsea WingRoyal Brompton Campus

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Summary

 

Publications

Publication Type
Year
to

165 results found

Lyne J, Wong T, Banner N, Markides Vet al., 2012, Ablation of Ventricular Fibrillation in an Orthotopic Heart Lung Transplant, PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY, Vol: 35, Pages: e92-e94, ISSN: 0147-8389

Journal article

Jones DG, Mortsell DH, Rajaruthnam D, Hamour I, Hussain W, Markides V, Banner NR, Wong Tet al., 2011, Permanent pacemaker implantation early and late after heart transplantation: Clinical indication, risk factors and prognostic implications, JOURNAL OF HEART AND LUNG TRANSPLANTATION, Vol: 30, Pages: 1257-1265, ISSN: 1053-2498

Journal article

Mantziari L, Horduna I, Gujic M, Jones D, Wong T, Markides V, Foran JP, Ernst Set al., 2011, USE OF ASYMMETRIC BIDIRECTIONAL CATHETERS FOR CATHETER ABLATION OF CARDIAC ARRHYTHMIAS, Publisher: WILEY-BLACKWELL, Pages: S112-S112, ISSN: 1045-3873

Conference paper

Jones DG, McCready JW, Kaba RA, Ahsan SY, Lyne JC, Wang J, Segal OR, Markides V, Lambiase PD, Wong T, Chow AWCet al., 2011, A multi-purpose spiral high-density mapping catheter: initial clinical experience in complex atrial arrhythmias, JOURNAL OF INTERVENTIONAL CARDIAC ELECTROPHYSIOLOGY, Vol: 31, Pages: 225-235, ISSN: 1383-875X

Journal article

Mayet S, Gossop M, Lintzeris N, Markides V, Strang Jet al., 2011, Methadone maintenance, QTc and torsade de pointes: Who needs an electrocardiogram and what is the prevalence of QTc prolongation?, DRUG AND ALCOHOL REVIEW, Vol: 30, Pages: 388-396, ISSN: 0959-5236

Journal article

Jones DG, Wong T, Gorog D, Markides Vet al., 2010, Atrial fibrillation: which patients should be managed in primary, secondary and tertiary care?, Primary Care Cardiovascular Journal (PCCJ), Vol: 3, Pages: 19-31, ISSN: 1756-5138

Journal article

Jarman JW, Wong T, Francis DP, Davies DW, Kanagaratnam P, Markides V, Peters NSet al., 2009, Spatiotemporal Behaviour of High Dominant Frequency During Paroxysmal and Persistent Atrial Fibrillation in the Human Left Atrium, 82nd Scientific Session of the American-Heart-Association, Publisher: LIPPINCOTT WILLIAMS & WILKINS, Pages: S639-S639, ISSN: 0009-7322

Conference paper

Johar S, Jones DG, Lyne JC, Kaba RA, Wong T, Markides V, Clague JR, Till JA, Ernst Set al., 2009, Device safety with the use of remote magnetic navigation, EUROPEAN HEART JOURNAL, Vol: 30, Pages: 120-120, ISSN: 0195-668X

Journal article

Gorog DA, Saraf S, Markides V, 2009, Coronary thrombosis: In vivo, ex vivo and in vitro., BMJ Case Rep, Vol: 2009

Acute stent thrombosis remains one of the most important concerns in clinical cardiology. The mechanism is not fully understood but a prothrombotic state is a key component. We describe a case of acute stent thrombosis, within an hour of rescue angioplasty, despite use of full dose fibrinolytic (reteplase) and antiplatelet therapy (aspirin and clopidogrel). Risk of acute stent thrombosis was predicted an hour earlier, when the patient was clinically well, by a novel near-patient test of thrombotic and thrombolytic status (in vitro). Subsequent stent thrombosis was visualised angiographically (in vivo) and confirmed by extraction of the thrombus (ex vivo). The near-patient test sensitively detected reversal of the prothrombotic state after abciximab treatment. We believe this is the first description of the clinical use of a near-patient test within the cardiac catheterisation laboratory to predict risk of imminent stent thrombosis.

Journal article

Mortsell DH, Hussain W, Markides V, Birks E, Banner NR, Wong Tet al., 2008, The Electrophysiologic indication and the long-term prognostic implication of permanent pacemaker implantation early and late after heart transplantation, 28th Annual Meeting of the International-Society-for-Heart-and-Lung-Transplantation, Publisher: ELSEVIER SCIENCE INC, Pages: S86-S86, ISSN: 1053-2498

Conference paper

Segal OR, Markides V, Davies DW, Peters NSet al., 2007, Temporary Cardiac Pacing, Implantable Cardiac Pacemakers and Defibrillators: All You Wanted to Know, Pages: 29-52, ISBN: 9780727915665

Book chapter

Jarman JWE, Wong T, Spohr H, Kojodjojo P, Davies JE, Kanagaratnam P, Francis DP, Davies DW, Markides V, Peters NSet al., 2007, Maps of left atrial dominant frequency during atrial fibrillation are not reproducible in successive time periods, EUROPEAN HEART JOURNAL, Vol: 28, Pages: 500-500, ISSN: 0195-668X

Journal article

Jarman JWE, Wong T, Spohr H, Kojodjojo P, Davies JE, Kanagaratnam P, Francis DP, Davies DW, Markides V, Peters NSet al., 2007, Evidence of focal sources during chronic atrial fibrillation in humans: regions of organised activation and stable frequency, EUROPEAN HEART JOURNAL, Vol: 28, Pages: 538-538, ISSN: 0195-668X

Journal article

Jarman J, Wong T, Spohr H, Kojodjojo P, Davies J, Segal O, Francis D, Davies D, Markides V, Peters Net al., 2007, Novel observation of regions of highly organised activation and stable frequency during chronic atrial fibrillation in the human left atrium: Do they represent fixed drivers?, Annual Scientific Conference of the British-Cardiovascular-Society, Publisher: B M J PUBLISHING GROUP, Pages: A3-A3, ISSN: 1355-6037

Conference paper

Segal OR, Chow AWC, Markides V, Davies DW, Peters NSet al., 2007, Characterization of the effects of single ventricular extrastimuli on endocardial activation in human infarct-related ventricular tachycardia, JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY, Vol: 49, Pages: 1315-1323, ISSN: 0735-1097

Journal article

Segal OR, Wong T, Chow AWC, Jarman JWE, Schilling RJ, Markides V, Peters NS, Davies DWet al., 2007, Intra-coronary guidewire mapping - A novel technique to guide ablation of human ventricular tachycardia, JOURNAL OF INTERVENTIONAL CARDIAC ELECTROPHYSIOLOGY, Vol: 18, Pages: 143-154, ISSN: 1383-875X

Journal article

Wong T, Hussain W, Markides V, Gorog DA, Wright I, Peters NS, Davies DWet al., 2006, Ablation of difficult right-sided accessory pathways aided by mapping of tricuspid annular activation using a Halo™ catheter -: Halo-mapping of right sided accessory pathways, JOURNAL OF INTERVENTIONAL CARDIAC ELECTROPHYSIOLOGY, Vol: 16, Pages: 175-182, ISSN: 1383-875X

Journal article

Jarman J, Wong T, Spohr H, Kojodjojo P, Davies J, Francis D, Davies D, Markides V, Peters Net al., 2006, Spectral analysis of atrial fibrillation using non-contact mapping to study the impact of circumferential ablation, Annual Scientific Conference of the British-Society-Promoting-Cardiovascular-Health, Publisher: B M J PUBLISHING GROUP, Pages: A16-A17, ISSN: 1355-6037

Conference paper

Wong T, Markides V, Peters NS, Davies DWet al., 2006, Anatomic left atrial circumferential ablation to electrically isolate pulmonary veins using a novel focused ultrasound balloon catheter, HEART RHYTHM, Vol: 3, Pages: 370-371, ISSN: 1547-5271

Journal article

Kojodjojo P, Kanagaratnam P, Markides V, Davies W, Peters Net al., 2006, Age-related changes in human left and right atrial conduction, JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY, Vol: 17, Pages: 120-127, ISSN: 1045-3873

Journal article

Wong T, Kojodojo P, Davies DW, Ciaccio E, Markides V, Peters NSet al., 2005, Mechanistic insights into atrial fibrillation perpetuation revealed by dominant frequency mapping of intact human left atria, 78th Annual Scientific Session of the American-Heart-Association, Publisher: LIPPINCOTT WILLIAMS & WILKINS, Pages: U811-U811, ISSN: 0009-7322

Conference paper

Markides V, Davies DW, 2005, New mapping technologies: an overview with a clinical perspective., J Interv Card Electrophysiol, Vol: 13 Suppl 1, Pages: 43-51, ISSN: 1383-875X

Conventional catheter mapping techniques continue to form the basis of mapping for all arrhythmias. Constantly evolving "advanced" mapping systems can facilitate arrhythmia mapping by allowing reconstruction of three-dimensional models of cardiac chambers, combining electrical and anatomical information at multiple sites, creating voltage and activation maps and reducing the need for fluoroscopy.

Journal article

Kojodjojo P, Kangaratnam P, Markides V, Peters NSet al., 2005, Targeting atrio-atrial conduction in the post-orthotopic heart transplant patient, JOURNAL OF INTERVENTIONAL CARDIAC ELECTROPHYSIOLOGY, Vol: 13, Pages: 31-34, ISSN: 1383-875X

Journal article

Kojodjojo P, Kanagaratnam P, Davies DW, Peters NS, Markides Vet al., 2005, Role of electrophysiological study and ablation in the management of recurrent atrial flutter associated with haemodynamic compromise in a critically ill patient, ANAESTHESIA, Vol: 60, Pages: 505-508, ISSN: 0003-2409

Journal article

Segal OR, Chow AWC, Markides V, Schilling RJ, Peters NS, Davies Wet al., 2005, Long-term results after ablation of infarct-related ventricular tachycardia, HEART RHYTHM, Vol: 2, Pages: 474-482, ISSN: 1547-5271

Journal article

Wong T, Kojodjojo P, Davies DW, Markides V, Peters NSet al., 2005, Interactions between focal tiggers and left atrial substrate in the initiation and maintenance of atrial fibrillation: A study using dominant frequency analysis of now contact mapping data, Annual Conference of G-MEX/MICC, Publisher: B M J PUBLISHING GROUP, Pages: A36-A37, ISSN: 1355-6037

Conference paper

Wong T, Markides V, Alinsod A, Peters NS, Davies DWet al., 2005, Rapid pulmonary vein (PV) electrical isolation using a novel focused ultrasound balloon catheter in patients with atrial fibrillation (AF), Annual Conference of G-MEX/MICC, Publisher: BMJ PUBLISHING GROUP, Pages: A55-A55, ISSN: 1355-6037

Conference paper

Kojodjojo P, Kanagaratnam P, Davies DW, Markides V, Peters NSet al., 2005, The influence of atrial conduction, refractoriness, and volume on outcomes following pulmonary vein isolation (PVI), Annual Conference of G-MEX/MICC, Publisher: B M J PUBLISHING GROUP, Pages: A54-A54, ISSN: 1355-6037

Conference paper

Wong T, Markides V, Peters NS, Davies DWet al., 2005, Ablation of difficult right sided accessory pathways (AP) aided by simple mapping of the tricuspid valve annulus (TVA) using a halo catheter, Annual Conference of G-MEX/MICC, Publisher: BMJ PUBLISHING GROUP, Pages: A55-A55, ISSN: 1355-6037

Conference paper

Kojodjojo P, Segal OR, Hussain W, Kanagaratnam P, Markides V, Peters NSet al., 2004, First report of the effects of the gap junction uncoupler carbenoxolone on human myocardial conduction and arrhythmogenicity, 77th Scientific Meeting of the American-Heart-Association, Publisher: LIPPINCOTT WILLIAMS & WILKINS, Pages: 460-460, ISSN: 0009-7322

Conference paper

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