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Sophia Zhou

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Richard E Gregg; Kjell C Nikus; Ronald Startt-Selvester; Sophia H Zhou; Victoria Barbara; Andrés Carrillo; Cheng-hao Simon Chien; Miquel Fiol-Sala; James M Lindauer
Automated discrimination of proximal right coronary artery occlusion from middle-to-distal right coronary artery occlusion and left circumflex occlusion in ST-elevation myocardial infarction.
Pentti M Rautaharju; Richard E Gregg; Sophia H Zhou; Ron H Startt-Selvester
Electrocardiographic estimates of regional action potential durations and repolarization time subintervals reveal ischemia-induced abnormalities in acute coronary syndrome not evident from global QT.
Saeed Babaeizadeh; Stephen D Pittman; Sophia H Zhou; David P White
Electrocardiogram-derived respiration in screening of sleep-disordered breathing.

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2012: Richard E Gregg; Kjell C Nikus; Ronald Startt-Selvester; Sophia H Zhou; Victoria Barbara; Andrés Carrillo; Cheng-hao Simon Chien; Miquel Fiol-Sala; James M Lindauer
Automated discrimination of proximal right coronary artery occlusion from middle-to-distal right coronary artery occlusion and left circumflex occlusion in ST-elevation myocardial infarction.
Journal of electrocardiology 2012;45(4):343-9.
2011: Pentti M Rautaharju; Richard E Gregg; Sophia H Zhou; Ron H Startt-Selvester
Electrocardiographic estimates of regional action potential durations and repolarization time subintervals reveal ischemia-induced abnormalities in acute coronary syndrome not evident from global QT.
Journal of electrocardiology 2011;44(6):718-24.
2011: Saeed Babaeizadeh; Stephen D Pittman; Sophia H Zhou; David P White
Electrocardiogram-derived respiration in screening of sleep-disordered breathing.
Journal of electrocardiology 2011;44(6):700-6.
2011: Pentti M Rautaharju; Sophia H Zhou; Richard E Gregg; Ron H Startt-Selvester
Heart rate, gender differences, and presence versus absence of diagnostic ST elevation as determinants of spatial QRS|T angle widening in acute coronary syndrome.
The American journal of cardiology 2011;107(12):1744-50.
2011: Pentti M Rautaharju; Sophia H Zhou; Richard E Gregg; Ron H Startt-Selvester
Electrocardiographic estimates of action potential durations and transmural repolarization time gradients in healthy subjects and in acute coronary syndrome patients--profound differences by sex and by presence vs absence of diagnostic ST elevation.
Journal of electrocardiology 2011;44(3):309-19.
2010: Richard E Gregg; Kjell C Nikus; Sophia H Zhou; Ronald H Startt Selvester; Victoria Barbara
Computerized classification of proximal occlusion in the left anterior descending coronary artery.
Journal of electrocardiology 2010;43(6):634-9.
2010: Saeed Babaeizadeh; David P White; Stephen D Pittman; Sophia H Zhou
Automatic detection and quantification of sleep apnea using heart rate variability.
Journal of electrocardiology 2010;43(6):535-41.
2009: Saeed Babaeizadeh; Richard Gregg; Eric D Helfenbein; James M Lindauer; Sophia H Zhou
Improvements in atrial fibrillation detection for real-time monitoring.
Journal of electrocardiology 2009;42(6):522-6.
2009: Sophia H Zhou; Eric D Helfenbein; James M Lindauer; Richard Gregg; Dirk Q Feild
Philips QT interval measurement algorithms for diagnostic, ambulatory, and patient monitoring ECG applications.
Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc 2009;14 Suppl 1():S3-8.
2008: Dirk Q Feild; Sophia H Zhou; Eric D Helfenbein; Richard Gregg; James M Lindauer
Technical challenges and future directions in lead reconstruction for reduced-lead systems.
Journal of electrocardiology 2008;41(6):466-73.
2008: Richard Gregg; Sophia H Zhou; James M Lindauer; Dirk Q Feild; Eric D Helfenbein
Where do derived precordial leads fail?
Journal of electrocardiology 2008;41(6):546-52.
2008: Richard Gregg; Sophia H Zhou; James M Lindauer; Eric D Helfenbein; Karen K Giuliano
What is inside the electrocardiograph?
Journal of electrocardiology 2008;41(1):8-14.
2007: Eric D Helfenbein; Michael J Ackerman; Pentti M Rautaharju; Sophia H Zhou; Richard Gregg; James M Lindauer; David Miller; John J Wang; Scott S Kresge; Saeed Babaeizadeh; Dirk Q Feild; Francis P Michaud
An algorithm for QT interval monitoring in neonatal intensive care units.
Journal of electrocardiology 2007;40(6 Suppl):S103-10.
2006: Eric D Helfenbein; Sophia H Zhou; James M Lindauer; Dirk Q Field; Richard Gregg; John J Wang; Scott S Kresge; Francis P Michaud
An algorithm for continuous real-time QT interval monitoring.
Journal of electrocardiology 2006;39(4 Suppl):S123-7.
2006: Paul Kligfield; E William Hancock; Eric D Helfenbein; Emilie J Dawson; Melynda A Cook; James M Lindauer; Sophia H Zhou; Joel Xue
Relation of QT interval measurements to evolving automated algorithms from different manufacturers of electrocardiographs.
The American journal of cardiology 2006;98(1):88-92.
2002: Eric D Helfenbein; James M Lindauer; Sophia H Zhou; Richard Gregg; Earl C Herleikson
A software-based pacemaker pulse detection and paced rhythm classification algorithm.
Journal of electrocardiology 2002;35 Suppl():95-103.
2002: Pentti M Rautaharju; Sophia H Zhou; E William Hancock; B Milan Horácek; Dirk Q Feild; James M Lindauer; Galen S Wagner; Olle Pahlm; Charles L Feldman
Comparability of 12-lead ECGs derived from EASI leads with standard 12-lead ECGS in the classification of acute myocardial ischemia and old myocardial infarction.
Journal of electrocardiology 2002;35 Suppl():35-9.
2001: Sophia H Zhou; J Liebman; A M Dubin; P C Gillette; Richard Gregg; Eric D Helfenbein; James M Lindauer
Using 12-lead ECG and synthesized VCG in detection of right ventricular hypertrophy with terminal right conduction delay versus partial right bundle branch block in the pediatric population.
Journal of electrocardiology 2001;34 Suppl():249-57.