Professor, Medicine, Stanford University
Cardiology
Dr. Sanjiv M. Narayan, MD
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Sanjiv Narayan works in the field of Cardiology. He received awards:"CMS Meaningful Use Stage 1 Certification" and "Fellow (FACC)". Sanjiv M. Narayan, MD is a published physician. He published 101 publications, including: 'Organized Sources Are Spatially Conserved in Recurrent Compared to Pre-Ablation Atrial Fibrillation: Further Evidence for Non-Random Electrical Substrates.' He is registered with Medicare and accepts Medicare payments.
Publications
- The precise timing of tachycardia entrainment is determined by the postpacing interval, the tachycardia cycle length, and the pacing rate: Theoretical insights and pra...
- Organized Sources Are Spatially Conserved in Recurrent Compared to Pre-Ablation Atrial Fibrillation: Further Evidence for Non-Random Electrical Substrates.
- Mechanisms Underlying AF: Triggers, Rotors, Other?
- The role of rotors in Atrial fibrillation.
- Structural contributions to fibrillatory rotors in a patient-derived computational model of the atria.
- Rotor mapping and ablation to treat Atrial fibrillation.
- Human Atrial Fibrillation Initiates Via Organized Rather Than Disorganized Mechanisms.
- Rotors and Focal Sources for Human Atrial Fibrillation.
- Stability of Rotors and Focal Sources for Human Atrial Fibrillation: Focal Impulse and Rotor Mapping (FIRM) of AF Sources and Fibrillatory Conduction.
- Rotors as drivers of Atrial fibrillation and targets for ablation.
- Defining Arrhythmic Risk and Defibrillator Therapy in ARVC: Shocking Rhythm?
- Initial Independent Outcomes from Focal Impulse and Rotor Modulation Ablation for Atrial Fibrillation: Multicenter FIRM Registry.
- Rotor Stability Separates Sustained Ventricular Fibrillation From Self-Terminating Episodes in Humans.
- Mapping and ablating stable sources for Atrial fibrillation: summary of the literature on Focal Impulse and Rotor Modulation (FIRM).
- The incidence, diagnosis, and management of pulmonary vein stenosis as a complication of Atrial fibrillation ablation.
- Ablation of Rotor and Focal Sources Reduces Late Recurrence of Atrial Fibrillation Compared to Trigger Ablation Alone.
- Highlights of the Year in JACC 2013.
- Targeted Ablation at Stable Atrial Fibrillation Sources Improves Success Over Conventional Ablation in High-Risk Patients: A Substudy of the CONFIRM Trial.
- What Tissue Does Circumferential PV Isolation Actually Modulate?
- Frequency Analysis of Atrial Action Potential Alternans: A Sensitive Clinical Index of Individual Propensity to Atrial Fibrillation.
- A Case of a Human Ventricular Fibrillation Rotor Localized to Ablation Sites for Scar-mediated Monomorphic Ventricular Tachycardia.
- Patient-Specific Models of Cardiac Biomechanics.
- Theoretical considerations for mapping activation in human cardiac Fibrillation.
- Direct Or Coincidental Elimination of Stable Rotors or Focal Sources May Explain Successful Atrial Fibrillation Ablation: On-Treatment Analysis of the CONFIRM (CONvent...
- Can We Still Rely on the ECG for Detecting Past Myocardial Injury?
- Percutaneous Stellate Ganglion Block Suppressing VT and VF in a Patient Refractory to VT Ablation.
- A three-dimensional finite element model of human Atrial anatomy: New methods for cubic Hermite meshes with extraordinary vertices.
- Getting to the Core of AF Irregularity: Are We There Yet?
- Panoramic Electrophysiological Mapping but not Electrogram Morphology Identifies Stable Sources for Human Atrial Fibrillation: Stable Atrial Fibrillation Rotors and Fo...
- Highlights of the Year in JACC 2012.
- Unusual Source of Thromboembolism in a Patient with Atrial Fibrillation: Pulmonary Vein Thrombus due to Compressive Para-Esophageal Hernia.
- Mechanisms for Human Atrial Fibrillation Initiation: Clinical and Computational Studies of Repolarization Restitution and Activation Latency.
- Ablating Persistent Atrial Fibrillation Successfully.
- Treatment of Atrial Fibrillation by the Ablation of Localized Sources: CONFIRM (Conventional Ablation for Atrial Fibrillation With or Without Focal Impulse and Rotor M...
- Clinical Mapping Approach To Diagnose Electrical Rotors and Focal Impulse Sources for Human Atrial Fibrillation.
- Focal Impulse and Rotor Modulation (FIRM) Ablation of Sustaining Rotors Abruptly Terminates Persistent Atrial Fibrillation To Sinus Rhythm With Elimination On Followup.
- Microvolt T-wave alternans physiological basis, methods of measurement, and clinical utility-consensus guideline by international society for holter and noninvasive el...
- Noninvasive Imaging of Sinus Node Disease: Can It Predict the Need for Pacemaker Implantation?
- Imaging cardiac Arrhythmias.
- Localized Re-entry within the Left Atrial Appendage: Arrhythmogenic Role in Patients Undergoing Ablation of Persistent Atrial Fibrillation.
- Clinical Cardiac Electrophysiology Fellowship Curriculum: Update 2011.
- Repolarization Alternans Reveals Vulnerability to Human Atrial Fibrillation.
- Predictors of Unusual ECG Characteristics in Cavotricuspid Isthmus-Dependent Atrial Flutter Ablation.
- Early Temporal and Spatial Regularization of Persistent Atrial Fibrillation Predicts Termination and Arrhythmia-Free Outcome Short title: Regularization Index for Pers...
- Classifying fractionated electrograms in human Atrial fibrillation using monophasic action potentials and activation mapping: evidence for localized drivers, rate acce...
- Highlights of the year in JACC 2010.
- Accurate ECG diagnosis of atrial tachyArrhythmias using quantitative analysis: a prospective diagnostic and cost-effectiveness study.
- Sudden death risk in type 2 diabetic patients post-Myocardial infarction: a "sweet" opportunity?
- Improved survival in the real world with revised cardiopulmonary resuscitation guidelines: doing better out of hospital but not out of the woods yet.
- Cardiac and metabolic effects of anabolic-androgenic steroid abuse on lipids, blood pressure, left ventricular dimensions, and rhythm.
- Rate-dependent action potential alternans in human Heart failure implicates abnormal intracellular calcium handling.
- Impact of pharmacological autonomic blockade on complex fractionated Atrial electrograms.
- Do specific connection patterns of the ligament of Marshall contribute mechanistically to Atrial fibrillation?
- Disparate evolution of right and left Atrial rate during ablation of long-lasting persistent Atrial fibrillation.
- Biventricular stimulation improves right and left ventricular function after tetralogy of Fallot repair: Acute animal and clinical studies.
- Optimizing hemodynamics in Heart failure patients by systematic screening of left ventricular pacing sites: the lateral left ventricular wall and the coronary sinus ar...
- Highlights of the Year in JACC 2009.
- Centrifugal gradients of rate and organization in human Atrial fibrillation.
- Long-term follow-up of idiopathic ventricular Fibrillation ablation: a multicenter study.
- Is Heart rate irregularity the key to unmasking ventricular proarrhythmia?
- Mechanisms for the initiation of human Atrial fibrillation.
- Do depression or antidepressants increase cardiovascular mortality? The absence of proof might be more important than the proof of absence.
- Electrocardiographic measurements of regional Atrial fibrillation cycle length.
- Sudden cardiac arrest in patients with preserved left ventricular systolic function: a clinical dilemma.
- From nonuniform repolarization to abnormal calcium dynamics: the elusive culprit for ventricular Arrhythmias in heart failure.
- Highlights of the Year in JACC 2008.
- Action potential dynamics explain arrhythmic vulnerability in human Heart failure: a clinical and modeling study implicating abnormal calcium handling.
- Repolarization and activation restitution near human pulmonary veins and Atrial fibrillation initiation: a mechanism for the initiation of Atrial fibrillation by prema...
- T-wave alternans testing for ventricular Arrhythmias.
- Mechanisms of conduction slowing during Myocardial stretch by ventricular volume loading in the rabbit.
- Computational modeling for bedside application.
- Biventricular pacing attenuates T-wave alternans and T-wave amplitude compared to other pacing modes.
- Dynamics factors preceding the initiation of Atrial fibrillation in humans.
- Highlights of the year in JACC 2007.
- T-wave alternans, restitution of human action potential duration, and outcome.
- Steep restitution of ventricular action potential duration and conduction slowing in human Brugada syndrome.
- Noncontact mapping of small pulmonary Artery potentials preceding ectopy from the right ventricular outflow tract.
- Is T-wave alternans as good or better than programmed ventricular stimulation?
- Using electrocardiographic activation time and diastolic intervals to separate focal from macro-re-entrant Atrial tachycardias.
- Acute volume overload elevates T-wave alternans magnitude.
- Localizing circuits of Atrial macroreentry using electrocardiographic planes of coherent Atrial activation.
- Predicting arrhythmia-free survival using spectral and modified-moving average analyses of T-wave alternans.
- T-wave alternans and human ventricular Arrhythmias: what is the link?
- Evaluating fluctuations in human Atrial fibrillatory cycle length using monophasic action potentials.
- Cardiac-directed expression of adenylyl cyclase VI facilitates atrioventricular nodal conduction.
- Diagnostic accuracy of irregularly irregular RR intervals in separating Atrial fibrillation from Atrial flutter.
- Relation of T-wave alternans to regional left ventricular dysfunction and eccentric hypertrophy secondary to coronary heart Disease.
- T-wave alternans and the susceptibility to ventricular Arrhythmias.
- Separating Atrial flutter from Atrial fibrillation with apparent electrocardiographic organization using dominant and narrow F-wave spectra.
- Abnormal heart rate turbulence predicts the initiation of ventricular Arrhythmias.
- T-wave alternans using ventricular and Atrial pacing.
- Separating non-isthmus- from isthmus-dependent Atrial flutter using wavefront variability.
- T-wave alternans phase following ventricular extrasystoles predicts arrhythmia-free survival.
- Implantable defibrillators with and without resynchronization for patients with left ventricular dysfunction.
- Temporal and spatial phase analyses of the electrocardiogram stratify intra-Atrial and intra-ventricular organization.
- Quantifying intracardiac organization of atrial Arrhythmias using temporospatial phase of the electrocardiogram.
- Ventricular filling slows epicardial conduction and increases action potential duration in an optical mapping study of the isolated rabbit Heart.
- Alternans of Atrial action potentials during Atrial flutter as a precursor to Atrial fibrillation.
- Full report from the first annual Heart Rhythm Society Research Forum: a vision for our research future, "dream, discover, develop, deliver".
- The future of fellowship training in clinical cardiac electrophysiology: Program directors'' perspective 2008.
Schools
University Of Birmingham
Birmingham University
Harvard Med School Mt Auburn Hospital
Royal College Physical
Barnes Hospital Wash University
Harvard Med School
University Of California Los Angeles
Procedures Preformed
- Ablation for Treatment of Cardiac Arrhythmias
- Automatic Implantable Cardioverter Defibrillator (ICD) Implantation
- Cardiac Imaging
- Cardioversion, Elective
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Conditions Treated
- Aortic Aneurysm
- Aortic Ectasia
- Aortic Valve Disease
- Arrhythmias (incl. Atrial Fibrillation)
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Doctors Specialties
- Cardiology
- Clinical Cardiac Electrophysiology
Accepted Insurances
Awards
- CMS Meaningful Use Stage 1 Certification
- Fellow (FACC)
Education
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Washington University
Hospital
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Stanford Health Care
Drug Facts
| NPI NUMBER | 1649215492 | |
| NPPES Provider LastName | NARAYAN | |
| NPPES Provider FirstName | SANJIV | |
| NPPES Provider ZIPCode | 921039000 | |
| NPPES Provider State | CA | |
| Specialty Description | Cardiac Electrophysiology | |
| Total Claim Count | 17.0 | |
| Distinct Opioid Count | 0.0 | |
| Opioid Claim Count | 0.0 | |
| Percent Opioid Claims | 0.0 |
Helpful Reviews
Medicare Facts
| National Provider Identifier [NPI] | 1649215492 |
| Last Name Of The Provider | NARAYAN |
| First Name Of The Provider | SANJIV |
| View All |
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