Biventricular Pacing Plus V-V Optimization to Reduce Mitral Regurgitation in Patients without Standard Indication. A Potential New Indication for CRT Devices. Helbert Acosta, MD; Dianna Allens, RCDS; Vijayasimha R. Pothula, MD; Marcos Izquierdo, MD; Harry Wallner, MD; Michelle M. Fedewa, PhD; Cari Conant, RN; Chrissie Lopez, RN; Cynthia Antonio-Drabeck, RN; Lina M. Viafara, MD; Agustin Castellanos, MD. Trinity Medical Center, Rock Island, IL; Staten Island University Hospital, Staten Island, NY, General Surgery, Maywood, IL; Medtronic, Minneapolis, MN; University of Miami School of Medicine ,Miami, Fl. Presented at Cardio-Stim Scientific Sessions, Nice,France, 2008; Europace Volume 10, supp1, July 2008 ISNN 1099-5129.

Shortening of Atrioventricular Intervals with Atrial Septal Lead Placement: Implications for Reducing Unnecessary Right Ventricular Pacing. Helbert Acosta, MD; Vijayasimha R. Pothula, MD; Syed Hassan, MD;and Agustin Castellanos, MD. Trinity Medical Center, Rock Island, IL; Miami University Miller School of Medicine, Miami, FL; Presented at HRS Scientific Sessions 2008. Published at HRS, 2008.

TransvenousDdual Site Left Ventricular Pacing plus Biventricular Pacing for the Management of Refractory Ventricular Tachycardia. Helbert Acosta, Vijayasimha R. Pothula, John Arter, Cindy Antonio, Sumati Ramadas and Agustin Castellanos. Journal of Interventional Cardiac Electrophysiology. Volume 17, Number 1, October, 2006

AutoCapture with Dual-Coil Leads of Implantable Cardioverter Defibrillator. Helbert Acosta, Ali Massumi, Rajesh Malik, Saleem Ahmad, Cynthia Antonio, and Zaffer A. Syed. From the Trinity Medical Center, Rock Island, Illinois, St. Luke's Episcopal Hospital, Houston, Texas, Marion General Hospital, Marion, Ohio, Kettering Medical Center, Kettering, Ohio, and St. Jude Medical, Sylmar, California Pacing and Clinical Electrophysiology. Volume 28, Issue 1, Pages 267 - 269. Published Online: January 31, 2005.

Is M-Mode a Reliable Method to Perform V-V Timing Optimization in Patients Receiving CRT Devices? Helbert Acosta, MD, Vijayasimha R Pothula, MD, Diana Adams, Agustin Castellanos, MD. Trinity Medical Center, Rock Island, IL and Miami University Miller School of Medicine Miami, FL. Presented at the 13th World Congress on Heart Disease. The International Academy of Cardiology Annual Scientific Sessions, 2007, Vancouver, BC, Canada, JULY 28, 2007. Abstract Published: supp. O 81-2007

Helbert Acosta, MD, Vijayasimha R. Pothula, MD, MBBS, Mario Rodriguea, RCP, RRT, Ssumati Ramadas, PhD, and Agustuin Castellanos, MD, Placement of a Pacing Lead at the Inferior Portion of the Interatrial Septum Without Special Tools, Pacing and Clinical Electrophysiology, January 2007 (Vol. 30 Issue s1 Page S1-S218).

Helbert Acosta, MD, Vijayasimha R. Pothula, MD, MBBS, Mario Rodriguez, RCP, RRT and Agustin Castellanos, MD. Trinity Medical Center, Rock Island, IL, Miami University School of Medicine, Miami, FL, A Technique to Insert a Lead at the Inferior Portion of the Interatrial Septum for the Prevention of Atrial Fibrillation, Oral Presentation: Heart Rhythm Society 2006.

Helbert Acosta, MD, Michael Glikson, MD, Bill Bamlet, MS, Robyn McClelland, PhD, Steve Bailin, MD, Charles Gornick, MD, Marilyn Ezri, MD and Paul A. Friedman, MD. Trinity Medical Center, Rock Island, IL, Sheba Medical Center, Tel Hashomer, Israel, Mayo Clinic, Rochester, MN, University of Washington, Seattle, WA, Iowa Heart Center, P.C., Des Moines, IA, Minneapolis Heart Institute Foundation, Minneapolis, MN, Medical College of Wisconsin, Milwaukee, WI, Right Ventricular Apical Pacing and Ventricular Arrhythmia in Implantable Defibrillator Recipients. A Sub-Analysis of the DETECT SVT Trial, Oral Presentation: Heart Rhythm Society 2006.

Andrea M. Russo, MD, Thomas Deering, MD, Belinda T. Flores, Helbert Acosta, MD, Alaa Shalaby, MD, Ralph Vicar, MD, Xiaozheng Zhang, MD. Presbyterian Medical Center, Philadelphia, PA, Piedmont Hospital, Atlanta, GA, St. Jude Medical, Sylmar, CA, Trinity Medical Center, Rock Island, IL, Veterans Affairs Medical Center, Pittsburgh, PA, Holmes Regional Medical Center, Melbourne, FL, DEFIBRILLATION THRESHOLD IN ICD PATIENTS WITH OR WITHOUT CORONARY ARTERY DISEASE, Oral Presentation: Heart Rhythm Society 2006.

Paul A. Friedman, MD; Robyn L. McClelland, PhD; William R. Bamlet, MS; Helbert Acosta, MD; David Kessler, MD; Thomas M. Munger, MD; Neal G. Kavesh, MD; Mark Wood, MD; Emile Daoud, MD; Ali Massumi, MD; Claudio Schuger, MD; Stephen Shorofsky, MD; Bruce Wilkoff, MD; Michael Glikson, MD, Dual-Chamber Versus Single-Chamber Detection Enhancements for Implantable Defibrillator Rhythm Diagnosis, The Detect Supraventricular Tachycardia Study, American Journal of Cardiology, 2006 June 01;97.1611-4.

Helbert Acosta MD, Andrea M. Russo, MD,Thomas Deering MD. Belinda T. Flores MD,Alaa Shalaby, MD, Ralph Vicar, MD, Xiaozheng Zhang, MD. Trinity Medical Center, Rock Island, Illinois,Presbyterian Medical Center, Philadelphia, PA, Piedmont Hospital, Atlanta, Georgia, St Jude Medical, Sylmar, CA, Veterans Affair Medical Center, Pittsburgh, PA, Holmes Regional Medical Center, Melnourne, FL, DEFRIBRILLATION THRESHOLD IN ICD PATIENTS WITH OR WITHOUT CORONARY ARTERY DISEASE. Nov 30, 2004. Heart Rhythm Society, May 2005, New Orleans.

Helbert Acosta MD, Agustin Castellanos MD., Tara Acosta RN, Trinity Medical Center, Rock Island , IL;. Miami University School of Medicine, Miami, Florida, INTRAVENOUS MAGNESIUM SULFATE TO PREVENT TORSADE DE POINTES IN PATIENTS RECEIVING IBUTILIDE. June 2004. Accepted and presented at the Cardiostim 2004 14th World Congress in Cardiac Electrophysiology and Cardiac Techniques, June 16-19, 2004, Nice Acropolis, French Riviera, France.

Helbert Acosta, MD., Ali Massumi, MD., Rajesh Malik, MD., Saleem Ahmad, MD., Cynthia Antonio RN, Trinity Medical Center, Rock island, IL, St Luke's Episcopal Hospital, Houston, TX, Marion General Hospital, Marion, Ohio, Kettering Medical Center, Kettering, OH. AUTO-CAPTURE PERFORMANCE WITH DUAL COIL ICD LEADS. June 2004. Accepted and presented at the Cardiostim 2004 14th World Congress in Cardiac Electrophysiology and Cardiac Techniques, June 16-19, 2004, Nice Acropolis, French Riviera, France.

Helbert Acosta, Agustin Castellanos, (University of Miami) , Trinity Medical Center, SAFETY and EFFECTIVENESS OF 720 JOULES OF EXTERNAL BIPHASIC SHOCKS IN PATIENTS WITH REFRACTORY ATRIALFIBRILLATION, 2002. Accepted and presented at the Cardiostim 2004 14th World Congress in Cardiac Eletrophysiology and Cardiac Techniques June 16-19, 2004, Nice Acropolis, French Riviera, France.

Helbert Acosta, Tara Johnson, Jennifer Moore, Denise Curtis, Cynthia Antonio, Agustin Castellanos,(University of Miami) , Trinity Medical Center, SELECTIVE ABLATION OF THE FAST AND SLOW PATHWAYS OF THE AV NODE INSTEAD OF THE COMPACT AV NODE IN PATIENTS WITH ATRIAL FIBRILLATION AND RAPID VENTRICULAR RESPONSE REFRACTORY TO MEDICATIONS, 2002. Accepted and presented at the Cardiostim 2004 14th World Congress in Cardiac Electrophysiology and Cardiac Techniques, June 16-19, 2004, Nice Acropolis, French Riviera, France.

Helbert Acosta, Agustin Castellanos,(University of Miami), Can Hasdemir (University of Oklahoma), Jennifer Moore, Denise Curtis, Jayne Kincaid, Tara Johnson, Brenda Kuster, Cynthia Antonio, Trinity Medical Center, TWO-CATHETER APPROACH FOR DIAGNOSIS AND ABLATION OF ISTHMUS DEPENDENT ATRIAL FLUTTER USING A NOVEL HIGH RESOLUTION NON-CONTACT MAPPING SYSTEM, 2001

Helbert Acosta, Agustin Castellanos, (University of Miami), Can Hasdemir (University of Oklahoma, Health Science Center), Jennifer Moore, denise Curtis, Jayne Kincaid,Tara Johnson, Brenda Kuster, Cynthia Antonio, Trinity Medical Center, REVERSE PROTOCOL FOR PROGRAMMED VENTRICULAR STIMULATION IN PATIENTS WITH ISCHEMIC CARDIOMYOPATHY AND NON-SUSTAINED VENTRICULAR TACHYCARDIA, 2001

Helbert Acosta, Can Hasdemir (University of Oklahoma Health Science Center), Jennifer Moore, Denise Curtis, Tara Johnson, Jayne Kincaid, Brenda Kuster, Cynthia Antonio , Trinity Medical Center, Agustin Castellanos (University of Miami), ANALYSIS OF THE RIGHT ATRIAL ACTIVATION DURING SINUS RHYTHM USING A NOVEL NON-CONTACT MAPPING SYSTEM, 2001

Helbert Acosta, Agustin Castellanos, Federico Moleiro, Alexandre Ferreira, Marilyn Cox, Alberto Inferian, Jr., Robert J. Myerburg, University of Miami School of Medicine, Miami, Florida , SUDDEN WENKEBACH PERIODS AND THEIR RELATION TO NEUROCARDIOGENIC SYNCOPE, Circulation (Supp) Vol.94, No.8, October 15, 1996.

Helbert Acosta, Agustin Castellanos, Federico Moleiro, Simon Chakko, Heikki Huikuri, Raul Mitrani, Robert Myerburg, University of Miami School of Medicine, Universidad Central de Venezuela, Oulu University Hospital, Finland, HEART RATE VARIABILITY IN APPROPRIATE SINUS TACHYCARDIA, Pacing and Clinical Electrophysiology Vol.20,No.4, Part II.

Helbert Acosta, A.de la Hera, N Saudi, F. Moleiro, Robert Myerburg, Agustin Castellanos, University of Miami, Florida and Universidad Central de Venezuela, Caracas, Venezuela (ISAE Research Group) , PERFORMANCE OF TWO CLINICAL MODELS OF ARTIFICIAL VENTRICULAR PARASYSTOLE IN REFERENCE TO AN IDEAL MATHEMATICAL MODEL, Journal of Investigative Medicine, Vol.44,No.3, March 1996 (287A).

Helbert Acosta, N.Saudi, F.Molar, A de la Hear, R, Myerburg, Agustin Castellanos, Universtaire de Rouen, France (Vacomed Research Group), Universidad Central de Venezuela,(ISAE Research Group) and University of Miami, Florida, NONLINEAR DYNAMICS OF EXCITATION IN THE HUMAN VENTRICLES, Journal of Investigative Medicine , Vol.44,.No.3, March 1996 (211A).

F. Moleiro, V.Ruesta, H. Acosta, A.Castellanos, and R.J. Myerburg, University of Miami School of Medicine, Universidad de Venezuela, Caracas (ISAE research Group), APPLICATION OF COMPLEXITY THEORY TO THE ANLYSIS OF PROGRESSION OF 4:1 TO HIGHER DEGREES OF ATRIOVENTRICULAR BLOCK, Journal of Investigative Medicine, Vol.44, No.3 March 1996 (210A).

H. Acosta, A. Gonzalez, Department of Medicine, University of Miami School of Medicine, Florida, CAN ADULT ONSET OF KAWASAKI DISEASE LEAD TO CORONARY ARTERY ANEURYSM FORMATION? Journal of Investigative Medicine Vol.4, No1 January 1996 (184A).

H. Acosta, A. Gonzales, C.H. Moreno University of Miami, Jackson Memorial Hospital, Miami, Florida, PROPOSAL OF MODIFICATION OF ANGIOGRAPHIC CLASSIFICATION OF TAKAYASU'S ARTERITIS, Journal of Investigative Medicine Vol.4, No.1, January 1996 (184A).

H. Acosta, C.H. Moreno, A. Gonzalez, D. Viafara, University of Miami, Jackson Memorial Hospital, Department of Medicine, Miami, Florida, Universitario del Valle, Cali, Colombia, TAKAYASU'S ARTERITIS; CLINICAL AND ANGIOGRAPHIC FEATURES OF 55 PATIENTS, Journal of Investigative Medicine, Vol.4,No. 1, January 1996 (122).

Helbert Acosta, Agustin Castellanos, Federico Moleiro, Pascual de Santis, Raul D. Mitrani, Robert J. Myerburg, University of Miami School Of Medicine, Miami,Florida, INAPPROPRIATE SINUS TACHYCARDIA IN ELDERLY FEMALE: IT'S ASSOCIATION WITH ARTERIAL HYPERTENSION AND PSYCHIATRIC DISORDERS. Journal of the American College of Cardiology (Supp) Vol. 31 No.2 Feb 1988.