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| 1 | Electrocardiographic markers of cardiac resynchronization therapy response:delayed time to intrinsicoid deflection onset in lateral leads显示文摘Cardiac resynchronization therapy(CRT)has emerged as an important intervention for patients with heart failure(HF)with reduced ejection fraction and delayed ventricular activation.In these patients,CRT has demonstrated to improve quality of life,promote reverse left ventricular(LV)remodeling,reduce HF hospitalizations,and extend survival.However,despite advancements in our understanding of CRT,a significant number of patients do not respond to this therapy.Several invasive and non-invasive parameters have been assessed to predict response to CRT,but the electrocardiogram(ECG)has remained as the prevailing screening method albeit with limitations.Ideally,an accurate,simple,and reproducible ECG marker or set of markers would dramatically overcome the current limitations.We describe the clinical utility of an old ECG parameter that can estimate ventricular activation delay:the onset to intrinsicoid deflection(ID).Based on the concept of direct measurement of ventricular activation time(intrinsic deflection onset),time to ID onset measures on the surface ECG the time that the electrical activation time takes to reach the area subtended by the corresponding surface ECG lead.Based on this principle,the time to ID on the lateral leads can estimate the delay activation to the lateral LV wall and can be used as a predictor for CRT response,particularly in patients with non-specific intraventricular conduction delay or in patients with left bundle branch block and QRS<150 ms.The aim of this review is to present the current evidence and potential use of this ECG parameter to estimate LV activation and predict CRT response. | Rubén KA Tapia-Orihuela S Michael Gharacholou Samuel J Asirvatham Freddy Del-Carpio Munoz | 2022 | Journal of Geriatric Cardiology2022，19，1： | 3 |
| 2 | Premature ventricular contractions and non-sustained ventricular tachycardia: association with sudden cardiac death, risk stratification, and management strategies 显示文摘 | Sheldon SH Gard JJ Asirvatham S J | 2010 | Indian Pacing Electrophysiol J2010，10，8： | 1 |
| 3 | Mapping the Proteome of Barrel Medic (Medicago truncatula)显示文摘 | Watson B S Asirvatham V S Wang L J | 2003 | Plant Physiology2003，131，： | 1 |
| 4 | Premature ventricular contractions and non-sustained ventricular tachycardia: association with sudden cardiac death, risk stratification, and management strategies 显示文摘 | Sheldon S H Gard J J Asirvatham S J | 2010 | Indian Pacing Electrophysiol J2010，10，8： | 1 |
| 5 | Noncontact mapping to guide ablation of fight ventricular outflow tract tachycardia显示文摘 | Friedman PA Asirvatham S J Grice S | 2002 | J Am Coll Cardiol2002，39，11： | 1 |
| 6 | Mechanisms and utility of discrete great arterial potentials in the ablation of outflow tract ventricular arrhythmias 显示文摘 | Srivathsan K S Bunch T J Asirvatham S J | 2008 | Circ Arrhythm Electrophysiol2008，1，1： | 1 |
| 7 | Catheter ablation for atrial fibrillation in patients with obesity显示文摘 | CHA Y M FRIEDMAN P A ASIRVATHAM S J | 2008 | Circulation2008，117，： | 1 |
| 8 | Teaching po- ints with 3-dimensional mapping of cardiac arrhythmias:tak- ing points :activation mapping显示文摘 | Del Carpio Munoz F Buescher T Asirvatham S J | 2011 | Circ Arrhythm Electrophy- sio12011，4，3： | 1 |
| 9 | Correlative anatomy and electrophysiology for the interventional electrophysiologist :right atrial flutter显示文摘 | Asirvatham S J | 2009 | J Cardiovasc Electrophysiol2009，20，1： | 1 |
| 10 | Catheter ablation for atrial fibrillation in patients with obesity 显示文摘 | Cha YM Friedman PA Asirvatham S J | 2008 | Circulation2008，117，： | 1 |
| 11 | Mechanisms and utility of discrete great arterial potentials in the ablation of out- flow tract ventrlcular arrhythmias显示文摘 | Srivathsan KS Jared Bunch T Asirvatham S J | 2008 | Circ Arrhythmia Electrophys-il2008，1，： | 1 |
| 12 | Mechanisms and utility of discrete great arterial potentials in the ablation of outflow tract ventricular arrhythmias显示文摘 | Srivathsan KS Bunch TJ Asirvatham S J | 2008 | Circulation Arrhythmia and Electrophysiology2008，1，1： | 1 |
| 13 | Effect of long-term right ventricular pacing in young adults with structurally normal heart显示文摘 | SAGAR S SHEN W K ASIRVATHAM S J | 2010 | Circulation2010，121，： | 1 |
| 14 | Mapping the proteome of Barrel Medic( Medicago truncatula) 显示文摘 | Watson B S Asirvatham V S Wang L J | 2003 | Plant Physiology2003，131，： | 1 |
| 15 | Correlative anatomy for the invasive electrophysiologist:Outflow tract and supravalvar arrhythmia显示文摘 | Asirvatham S J | | 0，，08： | 1 |
| 16 | Ablation above the semilunar valves:When,why,and how显示文摘 | Suleiman M Asirvatham S J | | 0，，11： | 1 |
| 17 | Tachycardia-induced cardiomyopathy, without the tachycardia: yet another reason to ablate atrial fibrillation!显示文摘 | ASIRVATHAM S J | 2007 | J Cardiovasc Electrophysiology2007，18，： | 1 |
| 18 | Noncontact mapping to guide ablation of right ventricular outflow tract tachycardia 显示文摘 | FRIEDMAN P A ASIRVATHAM S J GRICE S | 2002 | J Am Coll Cardiol2002，39，11： | 1 |
| 19 | Percutaneous epicardial left atrial appendage closure: preliminary results of an electrogram guided approach 显示文摘 | Friedman PA Asirvatham S J Dalegrave C | 2009 | J Cardiovasc Electrophysiol2009，20，8： | 1 |
| 20 | 印度城市中产阶级正常血压、正常高值血压和高血压人群的患病率、知晓率、治疗率及控制率调查显示文摘该研究为一多中心研究,研究印度城市中产阶级正常血压、正常高值血压和高血压人群的发病率与影响因素以及知晓率、治疗率和控制率。方法:从11个城市选取中产阶级人群6106名(男3371名,女2735名),评估他们的社会人口学和生物学因素,应答率62%。 | Gupta R Deedwania PC Achari V Bhansali A Gupta BK Gupta A Mahanta TG Asirvatham AJ Gupta S Maheshwari A Saboo B Jali MV Singh J Guptha S Sharma KK 罗冬梅 叶鹏 | 2013 | 中华高血压杂志2013，21，6： | 0 |
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