Publications

• Accurate detection of lead malfunction from ECG-derived bipolar pacing stimulus amplitude.
  Heart Rhythm Volume: 21 Page(s): 2226 - 2231
  11/01/2024 Authors: Lloyd MS; Pelling M; Ibrahim R; El-Chami MF; Iravanian S
• Integer Polynomial Factorization by Recombination of Real Factors: Re-evaluating an Old Technique in Modern Era
  
  10/21/2024 Authors: Iravanian S
• A cross species thermoelectric and spatiotemporal analysis of alternans in live explanted hearts using dual voltage-calcium fluorescence optical mapping.
  Physiol Meas Volume: 45
  06/04/2024 Authors: Crispino A; Loppini A; Uzelac I; Iravanian S; Bhatia NK; Burke M; Filippi S; Fenton FH; Gizzi A
• Complex repolarization dynamics in ex vivo human ventricles are independent of the restitution properties.
  Europace Volume: 25
  12/06/2023 Authors: Iravanian S; Uzelac I; Shah AD; Toye MJ; Lloyd MS; Burke MA; Daneshmand MA; Attia TS; Vega JD; El-Chami MF
• Higher-Order Dynamics Beyond Repolarization Alternans in Ex-Vivo Human Ventricles are Independent of the Restitution Properties.
  medRxiv
  08/21/2023 Authors: Iravanian S; Uzelac I; Shah AD; Toye MJ; Lloyd MS; Burke MA; Daneshmand MA; Attia TS; Vega JD; El-Chami M
• Beyond Alternans: Detection of Higher-Order Periodicity in Ex-Vivo Human Ventricles Before Induction of Ventricular Fibrillation.
  bioRxiv
  05/02/2023 Authors: Iravanian S; Uzelac I; Shah AD; Toye MJ; Lloyd MS; Burke MA; Daneshmand MA; Attia TS; Vega JD; Merchant FM
• Novel use of an irrigated ablation catheter to monitor real-time hemodynamics during ablation.
  Volume: 34 Page(s): 1111 - 1118
  05/01/2023 Authors: Bhatia NK; Iravanian S; Ravi N; Kiani S; Lloyd MS; Westerman SB; Merchant FM; El-Chami MF; Hoque A; Shah AD
• Spiral wave breakup: Optical mapping in an explanted human heart shows the transition from ventricular tachycardia to ventricular fibrillation and self-termination.
  Heart Rhythm Volume: 19 Page(s): 1914 - 1915
  11/01/2022 Authors: Uzelac I; Iravanian S; Bhatia NK; Fenton FH
• Direct observation of a stable spiral wave reentry in ventricles of a whole human heart using optical mapping for voltage and calcium.
  Heart Rhythm Volume: 19 Page(s): 1912 - 1913
  11/01/2022 Authors: Uzelac I; Iravanian S; Bhatia NK; Fenton FH
• Cell Unexcitability and Electrotonic Coupling Phenomenon Analysis of Ablation-Created Lesions: A Study Case with Ablated Explanted Human Heart.
  Volume: 49
  09/01/2022 Authors: Siles J; Salinet J; Crowley CJ; Fenton F; Bhatia N; Iravanian S; Uzelac I
• Hands-on defibrillation with safety drapes: Analysis of compressions and an alternate current pathway.
  Am J Emerg Med Volume: 52 Page(s): 132 - 136
  02/01/2022 Authors: Wight JA; Bigham TE; Hanson PR; Zahid A; Iravanian S; Perkins PE; Lloyd MS
• Symbolic-Numeric Integration of Univariate Expressions based on Sparse Regression
  
  01/28/2022 Authors: Iravanian S; Martensen CJ; Cheli A; Gowda S; Jain A; Ma Y; Rackauckas C
• Circle Method for Robust Estimation of Local Conduction Velocity High-Density Maps From Optical Mapping Data: Characterization of Radiofrequency Ablation Sites.
  Front Physiol Volume: 13 Page(s): 794761
  01/01/2022 Authors: Siles-Paredes JG; Crowley CJ; Fenton FH; Bhatia N; Iravanian S; Sandoval I; Pollnow S; Dssel O; Salinet J; Uzelac I
• Methodology for Cross-Talk Elimination in Simultaneous Voltage and Calcium Optical Mapping Measurements With Semasbestic Wavelengths.
  Front Physiol Volume: 13 Page(s): 812968
  01/01/2022 Authors: Uzelac I; Crowley CJ; Iravanian S; Kim TY; Cho HC; Fenton FH
• A Network-based Cardiac Electrophysiology Simulator with Realistic Signal Generation and Response to Pacing Maneuvers.
  Comput Cardiol (2010) Volume: 48
  09/01/2021 Authors: Iravanian S; Uzelac I; Kaboudian A; Langberg J; Fenton F
• Interactive 3D Human Heart Simulations on Segmented Human MRI Hearts.
  Comput Cardiol (2010) Volume: 48
  09/01/2021 Authors: Berman JP; Kaboudian A; Uzelac I; Iravanian S; Iles T; Iaizzo PA; Lim H; Smolka S; Glimm J; Cherry EM
• Not all Long-QTs Are The Same, Proarrhytmic Quantification with Action Potential Triangulation and Alternans.
  Comput Cardiol (2010) Volume: 48
  09/01/2021 Authors: Uzelac I; Iravanian S; Cherry EM; Fenton FH
• Unimapper: An Online Interactive Analyzer/Visualizer of Optical Mapping Experimental Data.
  Comput Cardiol (2010) Volume: 48
  09/01/2021 Authors: Iravanian S; Uzelac I; Cairns DI; Cherry EM; Kaboudian A; Fenton FH
• Interactive Simulation of the ECG: Effects of Cell Types, Distributions, Shapes and Duration.
  Comput Cardiol (2010) Volume: 48
  09/01/2021 Authors: Ortiz JR; Kaboudian A; Uzelac I; Iravanian S; Cherry EM; Fenton FH
• Quantifying arrhythmic long QT effects of hydroxychloroquine and azithromycin with whole-heart optical mapping and simulations.
  Heart Rhythm O2 Volume: 2 Page(s): 394 - 404
  08/01/2021 Authors: Uzelac I; Kaboudian A; Iravanian S; Siles-Paredes JG; Gumbart JC; Ashikaga H; Bhatia N; Gilmour RF; Cherry EM; Fenton FH
• Experience using multielectrode cardiac catheters for detection of electrophysiologic activity of the human urinary bladder.
  Neurourol Urodyn Volume: 40 Page(s): 80 - 84
  01/01/2021 Authors: Ford AT; Lloyd M; Iravanian S; Northington G; Kelley RS
• Discovery of the Hidden State in Ionic Models Using a Domain-Specific Recurrent Neural Network
  
  11/14/2020 Authors: Iravanian S
• Fatal arrhythmias: Another reason why doctors remain cautious about chloroquine/hydroxychloroquine for treating COVID-19.
  Heart Rhythm Volume: 17 Page(s): 1445 - 1451
  09/01/2020 Authors: Uzelac I; Iravanian S; Ashikaga H; Bhatia NK; Herndon C; Kaboudian A; Gumbart JC; Cherry EM; Fenton FH
• Generation of Monophasic Action Potentials and Intermediate Forms.
  Biophys J Volume: 119 Page(s): 460 - 469
  07/21/2020 Authors: Iravanian S; Uzelac I; Herndon C; Langberg JJ; Fenton FH
• Parallel Acceleration on Removal of Optical Mapping Baseline Wandering.
  Comput Cardiol (2010) Volume: 46
  09/01/2019 Authors: Uzelac I; Iravanian S; Fenton FH
• Hands-on defibrillation with a safety barrier: An analysis of potential risk to rescuers.
  Resuscitation Volume: 138 Page(s): 110 - 113
  05/01/2019 Authors: Wight JA; Iravanian S; Haouzi AA; Lloyd MS
• HANDS-ON DEFIBRILLATION WITH SAFETY DRAPES: AN ANALYSIS OF CURRENT LEAK TO RESCUERS
  Volume: 73 Page(s): 491 - 491
  03/12/2019 Authors: Wight JA; Iravanian S; Haouzi A; Lloyd M
• A review of bioelectrodes for clinical electrophysiologists.
  Heart Rhythm Volume: 16 Page(s): 460 - 469
  03/01/2019 Authors: Iravanian S; Langberg JJ
• Theoretical Modeling and Experimental Detection of the Extracellular Phasic Impedance Modulation in Rabbit Hearts.
  Front Physiol Volume: 10 Page(s): 883
  01/01/2019 Authors: Iravanian S; Herndon C; Langberg JJ; Fenton FH
• Clinical and anatomic predictors of need for repeat atrial fibrillation ablation.
  World J Cardiol Volume: 9 Page(s): 742 - 748
  09/26/2017 Authors: Desai Y; Levy MR; Iravanian S; Clermont EC; Kelli HM; Eisner RL; El-Chami MF; Leon AR; Delurgio DB; Merchant FM
• Critical phase transitions during ablation of atrial fibrillation.
  Chaos Volume: 27 Page(s): 093925
  09/01/2017 Authors: Iravanian S; Langberg JJ
• Anatomic and Clinical Predictors of Need for Repeat Atrial Fibrillation Ablation
  Volume: 134
  11/11/2016 Authors: Desai YB; Levy MR; Iravanian S; Clermont EC; Kelli HM; Eisner RL; El-Chami MF; Leon AR; Delurgio DB; Merchant FM
• Pulmonary vein anatomy assessed by cardiac magnetic resonance imaging in patients undergoing initial atrial fibrillation ablation: implications for novel ablation technologies.
  J Interv Card Electrophysiol Volume: 46 Page(s): 89 - 96
  08/01/2016 Authors: Merchant FM; Levy MR; Iravanian S; Clermont EC; Kelli HM; Eisner RL; El-Chami MF; Leon AR; Delurgio DB
• Temporal Power-Law Scaling in Persistent Atrial Fibrillation
  Volume: 27 Page(s): 649 - 649
  05/01/2016 Authors: Iravanian S; Langberg J
• Pulmonary Vein Remodeling Following Atrial Fibrillation Ablation: Implications For The Radiographic Diagnosis Of Pulmonary Vein Stenosis.
  J Atr Fibrillation Volume: 9 Page(s): 1453
  01/01/2016 Authors: Merchant FM; Levy MR; Iravanian S; Weragoda RM; Clermont EC; Kelli HM; Eisner RL; Vadnais D; El-Chami MF; Leon AR
• Spatiotemporal organization during ablation of persistent atrial fibrillation.
  Heart Rhythm Volume: 12 Page(s): 1937 - 1944
  09/01/2015 Authors: Iravanian S; Langberg JJ
• Interspike Interval Analysis of Persistent Atrial Fibrillation as a Tool to Determine the Underlying Fibrillation Mechanism
  JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY Volume: 25 Page(s): 575 - 575
  05/01/2014 Authors: Iravanian S; Langberg J
• Relationship between mechanical dyssynchrony and intra-operative electrical delay times in patients undergoing cardiac resynchronization therapy.
  J Cardiovasc Magn Reson Volume: 16 Page(s): 4
  01/06/2014 Authors: Suever JD; Hartlage GR; Magrath RP; Iravanian S; Lloyd MS; Oshinski JN
• CORRELATION OF CMR MECHANICAL DYSSYNCHRONY MAPS AND INTRAOPERATIVE ELECTRICAL ACTIVATION PATTERNS FOR CARDIAC RESYNCHRONIZATION THERAPY
  Volume: 61 Page(s): E1075 - E1075
  03/12/2013 Authors: Hartlage G; Suever J; Hoskins M; Iravanian S; Magrath R; Oshinski J; Lloyd M
• A class of Monte-Carlo-based statistical algorithms for efficient detection of repolarization alternans.
  IEEE Trans Biomed Eng Volume: 59 Page(s): 1882 - 1891
  07/01/2012 Authors: Iravanian S; Kanu UB; Christini DJ
• Left atrial flutter accelerates during ablation of atrial fibrillation: a paradoxical effect of electrical remodelling.
  Europace Volume: 14 Page(s): 761 - 766
  05/01/2012 Authors: Iravanian S; Lloyd MS; Langberg JJ
• "ECG concealment" during left atrial flutter with 2:1 entrance block into the right atrium.
  J Cardiovasc Electrophysiol Volume: 23 Page(s): 221 - 222
  02/01/2012 Authors: Yoo D; Iravanian S; Langberg JJ
• Inhibition of c-Src tyrosine kinase prevents angiotensin II-mediated connexin-43 remodeling and sudden cardiac death.
  J Am Coll Cardiol Volume: 58 Page(s): 2332 - 2339
  11/22/2011 Authors: Sovari AA; Iravanian S; Dolmatova E; Jiao Z; Liu H; Zandieh S; Kumar V; Wang K; Bernstein KE; Bonini MG
• Inhibition of renin-angiotensin system (RAS) reduces ventricular tachycardia risk by altering connexin43.
  J Mol Med (Berl) Volume: 89 Page(s): 677 - 687
  07/01/2011 Authors: Iravanian S; Sovari AA; Lardin HA; Liu H; Xiao HD; Dolmatova E; Jiao Z; Harris BS; Witham EA; Gourdie RG
• Control of action potential duration alternans in canine cardiac ventricular tissue.
  IEEE Trans Biomed Eng Volume: 58 Page(s): 894 - 904
  04/01/2011 Authors: Kanu UB; Iravanian S; Gilmour RF; Christini DJ
• MITOCHONDRIA-TARGETED ANTIOXIDANT, MITO-TEMPO, PREVENTS ANGIOTENSIN II MEDIATED CONNEXIN 43 REMODELING AND SUDDEN CARDIAC DEATH
  Volume: 59 Page(s): 693 - 694
  04/01/2011 Authors: Sovari AA; Gu L; Mitchell D; Jeong E; Bonini MG; Dudley SC; Iravanian S
• Left Atrial Flutter Accelerates During Ablation of Atrial Fibrillation-A Paradoxical Effect of Reverse Remodeling
  Volume: 22 Page(s): 494 - 495
  04/01/2011 Authors: Iravanian S; Lloyd MS; Langberg JJ
• CATHETER ABLATION OF ATRIAL FIBRILLATION IS ASSOCIATED WITH SIGNIFICANT REDUCTION IN LEFT ATRIAL AND PULMONARY VEIN DIMENSIONS
  Volume: 55
  03/09/2010 Authors: Iravanian S; Eisner RL; El-Chami MF; O'Donnell RE
• Control of action potential duration alternans in canine ventricular tissue.
  Volume: 2010 Page(s): 1997 - 2000
  01/01/2010 Authors: Kanu U; Iravanian S; Gilmour RF; Christini DJ
• Regulation of Cardiac Na+ Current by Pyridine Nucleotides: A Possible Explanation of Glycerol-3-Phosphate Dehydrogenase-Linked Brugada Syndrome
  Volume: 118 Page(s): S532 - S532
  10/28/2008 Authors: Sanyal S; Gurung IS; Pfahnl AE; Shang LL; Iravanian S; Allen J; Liu M; Grace A; London B; Dudley SC
• The renin-angiotensin-aldosterone system (RAAS) and cardiac arrhythmias (vol 5, pg S12, 2008)
  HEART RHYTHM Volume: 5
  10/01/2008 Authors: Iravanian S; Dudley SC
• Representation of collective electrical behavior of cardiac cell sheets.
  Biophys J Volume: 95 Page(s): 1138 - 1150
  08/01/2008 Authors: Weinberg S; Iravanian S; Tung L
• The renin-angiotensin-aldosterone system (RAAS) and cardiac arrhythmias.
  Volume: 5 Page(s): S12 - S17
  06/01/2008 Authors: Iravanian S; Dudley SC
• Prevention of connexin 43 (Cx43) dephosphorylation is associated with reduced ventricular tachycardia in cardiac-specific angiotensin converting enzyme (ACE) overexpression mice
  Volume: 116 Page(s): 218 - 218
  10/16/2007 Authors: Iravanian S; Xiao H; Witham EA; Bernstein KE; Dudley S
• The phosphoinositide 3-kinases (PI3K)-AKT signaling pathway may explain arrhythmic changes in cardiac-specific angiotensin converting enzyme (ACE) overexpression mice (ACE 8/8)
  Volume: 116 Page(s): 277 - 277
  10/16/2007 Authors: Iravanian S; Man HD; Bernstein KE; Dudley SC
• Metabolic regulation of Na+ current, a possible explanation of glycerol-3-phosphate dehydrogenase-linked Brugada syndrome
  Volume: 116 Page(s): 185 - 186
  10/16/2007 Authors: Sanyal SN; Pfahnll AE; Shang LL; Iravanian S; Allen J; London B; Dudley SC
• Optical mapping system with real-time control capability.
  Am J Physiol Heart Circ Physiol Volume: 293 Page(s): H2605 - H2611
  10/01/2007 Authors: Iravanian S; Christini DJ
• Cardiac-restricted angiotensin-converting enzyme overexpression causes conduction defects and connexin dysregulation.
  Am J Physiol Heart Circ Physiol Volume: 293 Page(s): H182 - H192
  07/01/2007 Authors: Kasi VS; Xiao HD; Shang LL; Iravanian S; Langberg J; Witham EA; Jiao Z; Gallego CJ; Bernstein KE; Dudley SC
• Reduced nicotinamide adenine dinucleotide (NADH) decreases sodium channel current: A possible explanation for Brugada syndrome caused by glycerol-3-phosphate dehydrogenase 1-Like (GPD1-L) gene mutations.
  Page(s): 179A - 179A
  01/01/2007 Authors: Sanyal S; Pfahnl AE; Shang LL; Iravanian S; Allen J; London B; Dudley SC
• A possible mechanism of halocarbon-induced cardiac sensitization arrhythmias.
  J Mol Cell Cardiol Volume: 41 Page(s): 698 - 705
  10/01/2006 Authors: Jiao Z; De Jess VR; Iravanian S; Campbell DP; Xu J; Vitali JA; Banach K; Fahrenbach J; Dudley SC
• Role of electrophysiologic studies, signal-averaged electrocardiography, heart rate variability, T-wave alternans, and loop recorders for risk stratification of ventricular arrhythmias.
  Am J Geriatr Cardiol Volume: 14 Page(s): 16 - 19
  01/01/2005 Authors: Iravanian S; Arshad A; Steinberg JS
• Functional reentry in cultured monolayers of neonatal rat cardiac cells.
  Am J Physiol Heart Circ Physiol Volume: 285 Page(s): H449 - H456
  07/01/2003 Authors: Iravanian S; Nabutovsky Y; Kong C-R; Saha S; Bursac N; Tung L
• Cardiomyocyte cultures with controlled macroscopic anisotropy: a model for functional electrophysiological studies of cardiac muscle.
  Volume: 91 Page(s): e45 - e54
  12/13/2002 Authors: Bursac N; Parker KK; Iravanian S; Tung L
• A novel algorithm for cardiac biosignal filtering based on filtered residue method.
  IEEE Trans Biomed Eng Volume: 49 Page(s): 1310 - 1317
  11/01/2002 Authors: Iravanian S; Tung L