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Dr Raymond Sy

Senior Lecturer
Medicine, Concord Clinical School

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Selected grants

2016

  • The Early Repolarization ECG: Prevalence, Heritability and Significance in Patients with Inherited Channelopathies; Medi C, Semsarian C, Sy R, McGuire M; National Heart Foundation of Australia/Vanguard Grant.
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Selected publications

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Journals

  • Kanawati, J., Sy, R. (2018). Contemporary Review of Left Bundle Branch Block in the Failing Heart � Pathogenesis, Prognosis, and Therapy. Heart, Lung and Circulation, 27(3), 291-300. [More Information]
  • Oomen, A., Sy, R. (2017). A wolf in sheep's clothing: An unusual cause of atrio-ventricular Wenckebach phenomenon. Journal of Cardiovascular Electrophysiology, 28(11), 1353-1354. [More Information]
  • Shakkottai, P., Sy, R., McGuire, M. (2017). Cryoablation for Atrial Fibrillation in 2017: What Have We Learned? Heart, Lung and Circulation, 26, 950-959. [More Information]
  • Abed, H., Kilborn, M., Chen, V., Sy, R. (2017). Reversal agents in the era of NOACs. Journal of Atrial Fibrillation, 10(4), 1-5. [More Information]
  • Femia, J., Sy, R., Puranik, R. (2017). Systematic review: Impact of the new task force criteria in the diagnosis of arrhythmogenic right ventricular cardiomyopathy. International Journal of Cardiology, 241, 311-317. [More Information]
  • Gray, B., Kirby, A., Kabunga, P., Freedman, S., Yeates, L., Kanthan, A., Medi, C., Keech, A., Semsarian, C., Sy, R. (2017). Twelve-lead ambulatory electrocardiographic monitoring in Brugada syndrome: Potential diagnostic and prognostic implications. Heart Rhythm, 14(6), 866-874. [More Information]
  • Gray, B., Bagnall, R., Lam, L., Ingles, J., Turner, C., Haan, E., Davis, A., Yang, P., Clancy, C., Sy, R., Semsarian, C. (2016). A novel heterozygous mutation in cardiac calsequestrin causes autosomal dominant catecholaminergic polymorphic ventricular tachycardia. Heart Rhythm, 13(8), 1652-1660. [More Information]
  • Chan, K., Sy, R. (2016). Catheter Ablation of Recurrent Ventricular Fibrillation: A Literature Review and Case Examples. Heart, Lung and Circulation, 25(8), 784-790. [More Information]
  • Hunyor, I., Abed, H., Sy, R., Hodkinson, E., Santucci, P., McGuire, M. (2016). Intermittent failure of pacing output caused by algorithm to prevent T wave over-sensing. HeartRhythm Case Reports, 2(4), 286-289. [More Information]
  • Kabunga, P., Klein, G., Hodkinson, E., Sandgren, C., Sy, R. (2016). Loss of Biventricular Pacing During Exercise: What is the Mechanism? Journal of Cardiovascular Electrophysiology, 27(3), 362-365. [More Information]
  • Kabunga, P., Medi, C., Yeates, L., Sy, R. (2016). Malignant ventricular arrhythmic storm triggered by short-coupled premature ventricular contractions arising from the anterolateral papillary muscle. European Journal of Arrhythmia & Electrophysiology, 2(1), 33-36. [More Information]
  • Kabunga, P., Phan, K., Ha, H., Sy, R. (2016). Meta-Analysis of Contemporary Atrial Fibrillation Ablation Strategies: Irrigated Radiofrequency Versus Duty-Cycled Phased Radiofrequency Versus Cryoballoon Ablation. JACC: Clinical Electrophysiology, 2(3), 377-390. [More Information]
  • Abed, H., Chen, V., Kilborn, M., Sy, R. (2016). Periprocedural Management of Novel Oral Anticoagulants During Atrial Fibrillation Ablation: Controversies and Review of the Current Evidence. Heart, Lung and Circulation, 25(12), 1164-1176. [More Information]
  • Kabunga, P., Klein, G., Sy, R. (2016). Preferential conduction during focal atrial tachycardia arising from the noncoronary cusp. HeartRhythm Case Reports, 2(5), 363-366. [More Information]
  • Phan, K., Ha, H., Kabunga, P., Kilborn, M., Toal, E., Sy, R. (2016). Systematic Review of Defibrillation Threshold Testing at De Novo Implantation. Circulation. Arrhythmia and Electrophysiology, 9(4), 1-9. [More Information]
  • Kabunga, P., Lipton, J., Sy, R. (2015). Adenosine-Sensitive Ventricular Tachycardia arising from the Middle Cardiac Vein. Heart, Lung and Circulation, 24, 838-839. [More Information]
  • Lipton, J., Klein, G., Sy, R. (2015). Challenges in the diagnosis and management of idiopathic ventricular fibrillation. HeartRhythm Case Reports, 1(5), 269-274. [More Information]
  • Phan, K., Kabunga, P., Kilborn, M., Sy, R. (2015). Defibrillator Threshold Testing at Generator Replacement: Is it Time to Abandon the Practice? PACE - Pacing and Clinical Electrophysiology, 38(7), 777-781. [More Information]
  • Lau, J., Sy, R., Corbett, A., Kritharides, L. (2015). Myotonic dystrophy and the heart: A systematic review of evaluation and management. International Journal of Cardiology, 184, 600-608. [More Information]
  • Vaidya, K., Arnott, C., Russell, A., Masson, P., Sy, R., Patel, S. (2015). Pulmonary Vein Isolation Compared to Rate Control in Patients with Atrial Fibrillation: A Systematic Review and Meta-analysis. Heart, Lung and Circulation, 24(8), 744-752. [More Information]
  • Kabunga, P., Lau, A., Phan, K., Puranik, R., Liang, C., Davis, R., Sue, C., Sy, R. (2015). Systematic review of cardiac electrical disease in Kearns-Sayre syndrome and mitochondrial cytopathy. International Journal of Cardiology, 181, 303-310. [More Information]
  • Gray, B., Semsarian, C., Sy, R. (2014). Brugada Syndrome: A Heterogeneous Disease with a Common ECG Phenotype? Journal of Cardiovascular Electrophysiology, 25(4), 450-456. [More Information]
  • Kozlovski, J., Ingles, J., Connell, V., Hunt, L., McGaughran, J., Turner, C., Davis, A., Sy, R., Semsarian, C. (2014). Delay to diagnosis amongst patients with catecholaminergic polymorphic ventricular tachycardia. International Journal of Cardiology, 176(3), 1402-1404. [More Information]
  • Bennett, M., Gula, L., Klein, G., Skanes, A., Yee, R., Leong-Sit, P., Chattha, I., Sy, R., Jones, D., Krahn, A. (2014). Effect of beta-blockers on QT dynamics in the long QT syndrome: measuring the benefit. Europace, 16(12), 1847-1851. [More Information]
  • Lowres, N., Neubeck, A., Salkeld, G., Krass, I., McLachlan, A., Redfern, J., Bennett, A., Briffa, T., Bauman, A., Martinez, C., Lau, J., Brieger, D., Sy, R., Freedman, B., et al (2014). Feasibility and cost effectiveness of stroke prevention through community screening for atrial fibrillation using iPhone ECG in pharmacies: The SEARCH-AF study. Thrombosis and Haemostasis, 111(6), 1167-1176. [More Information]
  • Femia, G., Hsu, C., Singarayar, S., Sy, R., Kilborn, M., Parker, G., McGuire, M., Semsarian, C., Puranik, R. (2014). Impact of new task force criteria in the diagnosis of arrhythmogenic right ventricular cardiomyopathy. International Journal of Cardiology, 171(2), 179-183. [More Information]
  • Ghosh, J., McGuire, M., Kilborn, M., Singarayar, S., Medi, C., Sy, R. (2014). Shock-resistant ventricular fibrillation. International Journal of Cardiology, 174(2). [More Information]
  • Kabunga, P., Hodkinson, E., Sy, R. (2014). What is the mechanism of tachycardia? Heart, 100(24), 1924-1932, 1986. [More Information]
  • Lau, J., Lowres, N., Neubeck, A., Brieger, D., Sy, R., Galloway, C., Albert, D., Freedman, B. (2013). iPhone ECG application for community screening to detect silent atrial fibrillation: A novel technology to prevent stroke. International Journal of Cardiology, 165(1), 193-194. [More Information]
  • Chan, K., Sy, R. (2013). Toward permanent pulmonary vein isolation: The use of adenosine to unmask dormant conduction. Heart Rhythm, 10(5), 636-637. [More Information]
  • Chan, K., Obeyesekere, M., Klein, G., Sy, R. (2013). Wide complex tachycardia with telltale termination: What is the mechanism? Heart Rhythm, 10(11), 1730-1731. [More Information]
  • Obeyesekere, M., Sy, R., Klein, G., Gula, L., Modi, S., Conacher, S., Leong-Sit, P., Skanes, A., Yee, R., Krahn, A. (2012). End-recovery QTc: a useful metric for assessing genetic variants of unknown significance in long-QT syndrome. Journal of Cardiovascular Electrophysiology, 23(6), 637-642. [More Information]
  • Sy, R., Krahn, A. (2012). Exercise testing: the catecholaminergic polymorphic ventricular tachycardia crystal ball? Europace, 14(9), 1225-1227. [More Information]
  • Sy, R., Thiagalingam, A., Stiles, M. (2012). Modern Electrophysiology Mapping Techniques. Heart, Lung and Circulation, 21(6-7), 364-375. [More Information]
  • Obeyesekere, M., Sy, R., Leong-Sit, P., Gula, L., Yee, R., Skanes, A., Klein, G., Krahn, A. (2012). Treatment of asymptomatic catecholaminergic polymorphic ventricular tachycardia. Future Cardiology, 8(3), 439-+. [More Information]
  • Obeyesekere, M., Sy, R., Modi, S. (2012). When can ablation be considered a reasonable option in young asymptomatic patients with a Wolff-Parkinson-White ECG? Expert Review of Cardiovascular Therapy, 10(12), 1451-1453. [More Information]
  • Sy, R., Gollob, M., Klein, G., Yee, R., Skanes, A., Gula, L., Leong-Sit, P., Gow, R., Green, M., et al (2011). Arrhythmia characterization and long-term outcomes in catecholaminergic polymorphic ventricular tachycardia. Heart Rhythm, 8(6), 864-871. [More Information]
  • Sy, R., Freedman, B. (2011). Beta-Blocker Dose Up-Titration or Addition of Ivabradine in Stable Angina: More is Not Necessarily Better. Cardiovascular Drugs and Therapy, 25(6), 501-502. [More Information]
  • Sy, R., Gula, L., Leong-Sit, P., Klein, G., Yee, R., Krahn, A., Bentley, C., Razak, S., Skanes, A. (2011). Complete antral encirclement is not required for pulmonary vein isolation. Heart Rhythm, 8(1), 16-22. [More Information]
  • Sy, R., van der Werf, C., Chattha, I., Chockalingam, P., Adler, A., Healey, J., Perrin, M., Gollob, M., Skanes, A., et al (2011). Derivation and validation of a simple exercise-based algorithm for prediction of genetic testing in relatives of LQTS probands. Circulation, 124(20), 2187-2194. [More Information]
  • Sy, R., Chawantanpipat, C., Richmond, D., Kritharides, L. (2011). Development and validation of a time-dependent risk model for predicting mortality in infective endocarditis. European Heart Journal, 32, 2016-2026. [More Information]
  • Gray, B., Semsarian, C., Sy, R., Jeremy, R. (2011). Left coronary artery fistula after septal myectomy in hypertrophic cardiomyopathy. Heart, Lung and Circulation, 20(11), 738-738. [More Information]
  • Obeyesekere, M., Sy, R., Klein, G., Gula, L. (2011). Occlusion of right coronary artery with ablation of an accessory pathway. Journal of Cardiovascular Electrophysiology, 22(8), 941-942. [More Information]
  • Sy, R., Klein, G., Leong-Sit, P., Gula, L., Yee, R., Krahn, A., Skanes, A. (2011). Troubleshooting difficult transseptal catheterization. Journal of Cardiovascular Electrophysiology, 22(6), 723-727. [More Information]
  • Sy, R., Gula, L., Skanes, A., Krahn, A., Yee, R., Klein, G. (2010). Changing QRS morphology during accessory pathway ablation. PACE - Pacing and Clinical Electrophysiology, 33(6), 747-750. [More Information]
  • Gray, C., Gula, L., Klein, G., Skanes, A., Yee, R., Sy, R., Salisbury, B., Wong, J., Chattha, I., Subbiah, R., et al (2010). Expression of a common LQT1 mutation in five apparently unrelated families in a regional inherited arrhythmia clinic. Journal of Cardiovascular Electrophysiology, 21(3), 296-300. [More Information]
  • Sy, R., Kritharides, L. (2010). Health care exposure and age in infective endocarditis: results of a contemporary population-based profile of 1536 patients in Australia. European Heart Journal, 31(15), 1890-1897. [More Information]
  • Burgess, D., Hunt, D., Li, L., Zannino, D., Williamson, E., Davis, T., Laakso, M., Kesaniemi, Y., Zhang, J., Sy, R., Keech, A., et al (2010). Incidence and predictors of silent myocardial infarction in type 2 diabetes and the effect of fenofibrate: an analysis from the Fenofibrate Intervention and Event Lowering in Diabetes (FIELD) study. European Heart Journal, 31(1), 92-99. [More Information]
  • Bennett, M., Sy, R., Chattha, I., Krahn, A. (2010). Macrovolt T-wave alternans in an asymptomatic woman with long-QT syndrome: a rare but clinically significant finding. Journal of Cardiovascular Electrophysiology, 21(7), 825. [More Information]
  • Sy, R., Chattha, I., Klein, G., Gula, L., Skanes, A., Yee, R., Bennett, M., Krahn, A. (2010). Repolarization dynamics during exercise discriminate between LQT1 and LQT2 genotypes. Journal of Cardiovascular Electrophysiology, 21(11), 1242-1246. [More Information]
  • Chattha, I., Sy, R., Yee, R., Gula, L., Skanes, A., Klein, G., Bennett, M., Krahn, A. (2010). Utility of the recovery electrocardiogram after exercise: a novel indicator for the diagnosis and genotyping of long QT syndrome? Heart Rhythm, 7(7), 906-911. [More Information]
  • Sy, R., Bannon, P., Bayfield, M., Brown, C., Kritharides, L. (2009). Survivor Treatment Selection Bias and Outcomes Research: A Case Study of Surgery in Infective Endocarditis. Circulation: Cardiovascular Quality and Outcomes, 2(5), 469-474. [More Information]
  • Chung, T., Lim, W., Sy, R., Cunningham, I., Trotman, J., Kritharides, L. (2008). Subacute cardiac toxicity following autologous haematopoietic stem cell transplantation in patients with normal cardiac function. Heart, 94(7), 911-918. [More Information]
  • Sy, R., Chawantanpipat, C., Richmond, D., Kritharides, L. (2008). Thrombocytopenia and mortality in infective endocarditis. Journal of the American College of Cardiology, 51(18), 1824-5. [More Information]
  • Kotlyar, E., Sy, R., Keogh, A., Kermeen, F., Macdonald, P., Hayward, C., McNeil, K., Celermajer, D. (2006). Bosentan for the treatment of pulmonary arterial hypertension associated with congenital cardiac disease. Cardiology in the Young, 16(3), 268-274. [More Information]

Conferences

  • Lowres, N., Neubeck, A., Redfern, J., McLachlan, A., Krass, I., Bennett, A., Briffa, T., Salkeld, G., Brieger, D., Sy, R., Bauman, A., Freedman, B. (2013). Screening Education and Recognition in Community Pharmacies of Atrial Fibrillation to Prevent stroke (SEARCH-AF Stroke Prevention Study). 61st Annual Scientific Meeting of the Cardiac Society of Australia and New Zealand (CSANZ) 2013, Gold Coast, Queensland, Australia. [More Information]

2018

  • Kanawati, J., Sy, R. (2018). Contemporary Review of Left Bundle Branch Block in the Failing Heart � Pathogenesis, Prognosis, and Therapy. Heart, Lung and Circulation, 27(3), 291-300. [More Information]

2017

  • Oomen, A., Sy, R. (2017). A wolf in sheep's clothing: An unusual cause of atrio-ventricular Wenckebach phenomenon. Journal of Cardiovascular Electrophysiology, 28(11), 1353-1354. [More Information]
  • Shakkottai, P., Sy, R., McGuire, M. (2017). Cryoablation for Atrial Fibrillation in 2017: What Have We Learned? Heart, Lung and Circulation, 26, 950-959. [More Information]
  • Abed, H., Kilborn, M., Chen, V., Sy, R. (2017). Reversal agents in the era of NOACs. Journal of Atrial Fibrillation, 10(4), 1-5. [More Information]
  • Femia, J., Sy, R., Puranik, R. (2017). Systematic review: Impact of the new task force criteria in the diagnosis of arrhythmogenic right ventricular cardiomyopathy. International Journal of Cardiology, 241, 311-317. [More Information]
  • Gray, B., Kirby, A., Kabunga, P., Freedman, S., Yeates, L., Kanthan, A., Medi, C., Keech, A., Semsarian, C., Sy, R. (2017). Twelve-lead ambulatory electrocardiographic monitoring in Brugada syndrome: Potential diagnostic and prognostic implications. Heart Rhythm, 14(6), 866-874. [More Information]

2016

  • Gray, B., Bagnall, R., Lam, L., Ingles, J., Turner, C., Haan, E., Davis, A., Yang, P., Clancy, C., Sy, R., Semsarian, C. (2016). A novel heterozygous mutation in cardiac calsequestrin causes autosomal dominant catecholaminergic polymorphic ventricular tachycardia. Heart Rhythm, 13(8), 1652-1660. [More Information]
  • Chan, K., Sy, R. (2016). Catheter Ablation of Recurrent Ventricular Fibrillation: A Literature Review and Case Examples. Heart, Lung and Circulation, 25(8), 784-790. [More Information]
  • Hunyor, I., Abed, H., Sy, R., Hodkinson, E., Santucci, P., McGuire, M. (2016). Intermittent failure of pacing output caused by algorithm to prevent T wave over-sensing. HeartRhythm Case Reports, 2(4), 286-289. [More Information]
  • Kabunga, P., Klein, G., Hodkinson, E., Sandgren, C., Sy, R. (2016). Loss of Biventricular Pacing During Exercise: What is the Mechanism? Journal of Cardiovascular Electrophysiology, 27(3), 362-365. [More Information]
  • Kabunga, P., Medi, C., Yeates, L., Sy, R. (2016). Malignant ventricular arrhythmic storm triggered by short-coupled premature ventricular contractions arising from the anterolateral papillary muscle. European Journal of Arrhythmia & Electrophysiology, 2(1), 33-36. [More Information]
  • Kabunga, P., Phan, K., Ha, H., Sy, R. (2016). Meta-Analysis of Contemporary Atrial Fibrillation Ablation Strategies: Irrigated Radiofrequency Versus Duty-Cycled Phased Radiofrequency Versus Cryoballoon Ablation. JACC: Clinical Electrophysiology, 2(3), 377-390. [More Information]
  • Abed, H., Chen, V., Kilborn, M., Sy, R. (2016). Periprocedural Management of Novel Oral Anticoagulants During Atrial Fibrillation Ablation: Controversies and Review of the Current Evidence. Heart, Lung and Circulation, 25(12), 1164-1176. [More Information]
  • Kabunga, P., Klein, G., Sy, R. (2016). Preferential conduction during focal atrial tachycardia arising from the noncoronary cusp. HeartRhythm Case Reports, 2(5), 363-366. [More Information]
  • Phan, K., Ha, H., Kabunga, P., Kilborn, M., Toal, E., Sy, R. (2016). Systematic Review of Defibrillation Threshold Testing at De Novo Implantation. Circulation. Arrhythmia and Electrophysiology, 9(4), 1-9. [More Information]

2015

  • Kabunga, P., Lipton, J., Sy, R. (2015). Adenosine-Sensitive Ventricular Tachycardia arising from the Middle Cardiac Vein. Heart, Lung and Circulation, 24, 838-839. [More Information]
  • Lipton, J., Klein, G., Sy, R. (2015). Challenges in the diagnosis and management of idiopathic ventricular fibrillation. HeartRhythm Case Reports, 1(5), 269-274. [More Information]
  • Phan, K., Kabunga, P., Kilborn, M., Sy, R. (2015). Defibrillator Threshold Testing at Generator Replacement: Is it Time to Abandon the Practice? PACE - Pacing and Clinical Electrophysiology, 38(7), 777-781. [More Information]
  • Lau, J., Sy, R., Corbett, A., Kritharides, L. (2015). Myotonic dystrophy and the heart: A systematic review of evaluation and management. International Journal of Cardiology, 184, 600-608. [More Information]
  • Vaidya, K., Arnott, C., Russell, A., Masson, P., Sy, R., Patel, S. (2015). Pulmonary Vein Isolation Compared to Rate Control in Patients with Atrial Fibrillation: A Systematic Review and Meta-analysis. Heart, Lung and Circulation, 24(8), 744-752. [More Information]
  • Kabunga, P., Lau, A., Phan, K., Puranik, R., Liang, C., Davis, R., Sue, C., Sy, R. (2015). Systematic review of cardiac electrical disease in Kearns-Sayre syndrome and mitochondrial cytopathy. International Journal of Cardiology, 181, 303-310. [More Information]

2014

  • Gray, B., Semsarian, C., Sy, R. (2014). Brugada Syndrome: A Heterogeneous Disease with a Common ECG Phenotype? Journal of Cardiovascular Electrophysiology, 25(4), 450-456. [More Information]
  • Kozlovski, J., Ingles, J., Connell, V., Hunt, L., McGaughran, J., Turner, C., Davis, A., Sy, R., Semsarian, C. (2014). Delay to diagnosis amongst patients with catecholaminergic polymorphic ventricular tachycardia. International Journal of Cardiology, 176(3), 1402-1404. [More Information]
  • Bennett, M., Gula, L., Klein, G., Skanes, A., Yee, R., Leong-Sit, P., Chattha, I., Sy, R., Jones, D., Krahn, A. (2014). Effect of beta-blockers on QT dynamics in the long QT syndrome: measuring the benefit. Europace, 16(12), 1847-1851. [More Information]
  • Lowres, N., Neubeck, A., Salkeld, G., Krass, I., McLachlan, A., Redfern, J., Bennett, A., Briffa, T., Bauman, A., Martinez, C., Lau, J., Brieger, D., Sy, R., Freedman, B., et al (2014). Feasibility and cost effectiveness of stroke prevention through community screening for atrial fibrillation using iPhone ECG in pharmacies: The SEARCH-AF study. Thrombosis and Haemostasis, 111(6), 1167-1176. [More Information]
  • Femia, G., Hsu, C., Singarayar, S., Sy, R., Kilborn, M., Parker, G., McGuire, M., Semsarian, C., Puranik, R. (2014). Impact of new task force criteria in the diagnosis of arrhythmogenic right ventricular cardiomyopathy. International Journal of Cardiology, 171(2), 179-183. [More Information]
  • Ghosh, J., McGuire, M., Kilborn, M., Singarayar, S., Medi, C., Sy, R. (2014). Shock-resistant ventricular fibrillation. International Journal of Cardiology, 174(2). [More Information]
  • Kabunga, P., Hodkinson, E., Sy, R. (2014). What is the mechanism of tachycardia? Heart, 100(24), 1924-1932, 1986. [More Information]

2013

  • Lau, J., Lowres, N., Neubeck, A., Brieger, D., Sy, R., Galloway, C., Albert, D., Freedman, B. (2013). iPhone ECG application for community screening to detect silent atrial fibrillation: A novel technology to prevent stroke. International Journal of Cardiology, 165(1), 193-194. [More Information]
  • Lowres, N., Neubeck, A., Redfern, J., McLachlan, A., Krass, I., Bennett, A., Briffa, T., Salkeld, G., Brieger, D., Sy, R., Bauman, A., Freedman, B. (2013). Screening Education and Recognition in Community Pharmacies of Atrial Fibrillation to Prevent stroke (SEARCH-AF Stroke Prevention Study). 61st Annual Scientific Meeting of the Cardiac Society of Australia and New Zealand (CSANZ) 2013, Gold Coast, Queensland, Australia. [More Information]
  • Chan, K., Sy, R. (2013). Toward permanent pulmonary vein isolation: The use of adenosine to unmask dormant conduction. Heart Rhythm, 10(5), 636-637. [More Information]
  • Chan, K., Obeyesekere, M., Klein, G., Sy, R. (2013). Wide complex tachycardia with telltale termination: What is the mechanism? Heart Rhythm, 10(11), 1730-1731. [More Information]

2012

  • Obeyesekere, M., Sy, R., Klein, G., Gula, L., Modi, S., Conacher, S., Leong-Sit, P., Skanes, A., Yee, R., Krahn, A. (2012). End-recovery QTc: a useful metric for assessing genetic variants of unknown significance in long-QT syndrome. Journal of Cardiovascular Electrophysiology, 23(6), 637-642. [More Information]
  • Sy, R., Krahn, A. (2012). Exercise testing: the catecholaminergic polymorphic ventricular tachycardia crystal ball? Europace, 14(9), 1225-1227. [More Information]
  • Sy, R., Thiagalingam, A., Stiles, M. (2012). Modern Electrophysiology Mapping Techniques. Heart, Lung and Circulation, 21(6-7), 364-375. [More Information]
  • Obeyesekere, M., Sy, R., Leong-Sit, P., Gula, L., Yee, R., Skanes, A., Klein, G., Krahn, A. (2012). Treatment of asymptomatic catecholaminergic polymorphic ventricular tachycardia. Future Cardiology, 8(3), 439-+. [More Information]
  • Obeyesekere, M., Sy, R., Modi, S. (2012). When can ablation be considered a reasonable option in young asymptomatic patients with a Wolff-Parkinson-White ECG? Expert Review of Cardiovascular Therapy, 10(12), 1451-1453. [More Information]

2011

  • Sy, R., Gollob, M., Klein, G., Yee, R., Skanes, A., Gula, L., Leong-Sit, P., Gow, R., Green, M., et al (2011). Arrhythmia characterization and long-term outcomes in catecholaminergic polymorphic ventricular tachycardia. Heart Rhythm, 8(6), 864-871. [More Information]
  • Sy, R., Freedman, B. (2011). Beta-Blocker Dose Up-Titration or Addition of Ivabradine in Stable Angina: More is Not Necessarily Better. Cardiovascular Drugs and Therapy, 25(6), 501-502. [More Information]
  • Sy, R., Gula, L., Leong-Sit, P., Klein, G., Yee, R., Krahn, A., Bentley, C., Razak, S., Skanes, A. (2011). Complete antral encirclement is not required for pulmonary vein isolation. Heart Rhythm, 8(1), 16-22. [More Information]
  • Sy, R., van der Werf, C., Chattha, I., Chockalingam, P., Adler, A., Healey, J., Perrin, M., Gollob, M., Skanes, A., et al (2011). Derivation and validation of a simple exercise-based algorithm for prediction of genetic testing in relatives of LQTS probands. Circulation, 124(20), 2187-2194. [More Information]
  • Sy, R., Chawantanpipat, C., Richmond, D., Kritharides, L. (2011). Development and validation of a time-dependent risk model for predicting mortality in infective endocarditis. European Heart Journal, 32, 2016-2026. [More Information]
  • Gray, B., Semsarian, C., Sy, R., Jeremy, R. (2011). Left coronary artery fistula after septal myectomy in hypertrophic cardiomyopathy. Heart, Lung and Circulation, 20(11), 738-738. [More Information]
  • Obeyesekere, M., Sy, R., Klein, G., Gula, L. (2011). Occlusion of right coronary artery with ablation of an accessory pathway. Journal of Cardiovascular Electrophysiology, 22(8), 941-942. [More Information]
  • Sy, R., Klein, G., Leong-Sit, P., Gula, L., Yee, R., Krahn, A., Skanes, A. (2011). Troubleshooting difficult transseptal catheterization. Journal of Cardiovascular Electrophysiology, 22(6), 723-727. [More Information]

2010

  • Sy, R., Gula, L., Skanes, A., Krahn, A., Yee, R., Klein, G. (2010). Changing QRS morphology during accessory pathway ablation. PACE - Pacing and Clinical Electrophysiology, 33(6), 747-750. [More Information]
  • Gray, C., Gula, L., Klein, G., Skanes, A., Yee, R., Sy, R., Salisbury, B., Wong, J., Chattha, I., Subbiah, R., et al (2010). Expression of a common LQT1 mutation in five apparently unrelated families in a regional inherited arrhythmia clinic. Journal of Cardiovascular Electrophysiology, 21(3), 296-300. [More Information]
  • Sy, R., Kritharides, L. (2010). Health care exposure and age in infective endocarditis: results of a contemporary population-based profile of 1536 patients in Australia. European Heart Journal, 31(15), 1890-1897. [More Information]
  • Burgess, D., Hunt, D., Li, L., Zannino, D., Williamson, E., Davis, T., Laakso, M., Kesaniemi, Y., Zhang, J., Sy, R., Keech, A., et al (2010). Incidence and predictors of silent myocardial infarction in type 2 diabetes and the effect of fenofibrate: an analysis from the Fenofibrate Intervention and Event Lowering in Diabetes (FIELD) study. European Heart Journal, 31(1), 92-99. [More Information]
  • Bennett, M., Sy, R., Chattha, I., Krahn, A. (2010). Macrovolt T-wave alternans in an asymptomatic woman with long-QT syndrome: a rare but clinically significant finding. Journal of Cardiovascular Electrophysiology, 21(7), 825. [More Information]
  • Sy, R., Chattha, I., Klein, G., Gula, L., Skanes, A., Yee, R., Bennett, M., Krahn, A. (2010). Repolarization dynamics during exercise discriminate between LQT1 and LQT2 genotypes. Journal of Cardiovascular Electrophysiology, 21(11), 1242-1246. [More Information]
  • Chattha, I., Sy, R., Yee, R., Gula, L., Skanes, A., Klein, G., Bennett, M., Krahn, A. (2010). Utility of the recovery electrocardiogram after exercise: a novel indicator for the diagnosis and genotyping of long QT syndrome? Heart Rhythm, 7(7), 906-911. [More Information]

2009

  • Sy, R., Bannon, P., Bayfield, M., Brown, C., Kritharides, L. (2009). Survivor Treatment Selection Bias and Outcomes Research: A Case Study of Surgery in Infective Endocarditis. Circulation: Cardiovascular Quality and Outcomes, 2(5), 469-474. [More Information]

2008

  • Chung, T., Lim, W., Sy, R., Cunningham, I., Trotman, J., Kritharides, L. (2008). Subacute cardiac toxicity following autologous haematopoietic stem cell transplantation in patients with normal cardiac function. Heart, 94(7), 911-918. [More Information]
  • Sy, R., Chawantanpipat, C., Richmond, D., Kritharides, L. (2008). Thrombocytopenia and mortality in infective endocarditis. Journal of the American College of Cardiology, 51(18), 1824-5. [More Information]

2006

  • Kotlyar, E., Sy, R., Keogh, A., Kermeen, F., Macdonald, P., Hayward, C., McNeil, K., Celermajer, D. (2006). Bosentan for the treatment of pulmonary arterial hypertension associated with congenital cardiac disease. Cardiology in the Young, 16(3), 268-274. [More Information]
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