Results 21 to 30 of about 1,320,837 (260)

Race and Sex Differences in QRS Interval and Associated Outcome Among Patients with Left Ventricular Systolic Dysfunction

Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2017
Background Prolonged QRS duration is associated with increased mortality among heart failure patients, but race or sex differences in QRS duration and associated effect on outcomes are unknown.
Tiffany C. Randolph, Samuel Broderick, Linda K. Shaw, Karen Chiswell, Robert J. Mentz, Valentina Kutyifa, Eric J. Velazquez, Francis R. Gilliam, Kevin L. Thomas   +8 more
doaj   +1 more source

Integration of genetics into a systems model of electrocardiographic traits using humanCVD BeadChip [PDF]

, 2012
<p>Background—Electrocardiographic traits are important, substantially heritable determinants of risk of arrhythmias and sudden cardiac death.</p> <p>Methods and Results—In this study, 3 population-based cohorts (n=10 526) genotyped ...
Nelson, C.P., Whittaker, John, Kumari, Meena, Folkersen, Lasse, Lasse Folkersen, Drenos, F., Drenos, Fotios, Kumari, M., Nelson, Christopher P, Amuzu, A., Mika Kivimaki, Nilesh J. Samani, Braund, P.S., Folkersen, L., Whittaker, J., Juan-Pablo Casas, John Whittaker, Eriksson, Per, Burton, P.R., Christopher P. Nelson, Meena Kumari, Zhang, H., Tom R. Gaunt, Debbie A. Lawlor, Casas, J.-P., Peter S. Braund, Adeniran, Ismail, Samani, Nilesh J, Sonia Shah, Samani, N.J., Antoinette Amuzu, Amuzu, Antoinette, Humphries, S.E., Zhang, Henggui, Henggui Zhang, Philippa J. Talmud, Day, I.N.M., Hancox, Jules C, Hancox, J.C., Tomaszewski, M., Hingorani, Aroon D, Burton, Paul R, Maciej Tomaszewski, Lawlor, D.A., Jules C. Hancox, Ian N.M. Day, Steve E. Humphries, Kivimaki, Mika, Kivimaki, M., Tobin, Martin D, Lawlor, Debbie A, Hingorani, A.D., Per Eriksson, Eriksson, P., Tomaszewski, Maciej, Peter W. Macfarlane, Humphries, Steve E, Shah, S., Ismail Adeniran, Day, Ian NM, Macfarlane, P.W., Martin D. Tobin, Paul R. Burton, Day, Ian N M, Gaunt, Tom R, Macfarlane, Peter W, Adeniran, I., Fotios Drenos, Shah, Sonia, Talmud, Philippa J, Gaunt, T.R., Tobin, M.D., Casas, Juan-Pablo, Talmud, P.J., Braund, Peter S, Tomaszewski, Maciej; id_orcid, Aroon D. Hingorani, Nelson, CP, Tobin, M., Hancox, Jules C., Casas, J-P, Shah, S, Casas, J., Drenos, F, Folkersen, L, Samani, Nilesh J., Burton, Paul R., Nelson, C., Hancox, J., Talmud, Philippa J., Macfarlane, Peter W., Gaunt, TR, Braund, P., Lawlor, D., Lawlor, DA, Gaunt, T., Burton, P., et al., Braund, Peter S., Day, Ian N.M., Adeniran, I, Tobin, Martin D., Humphries, S., Talmud, P., Lawlor, Debbie A., Amuzu, A, Braund, PS, Hingorani, Aroon D., Humphries, Steve E.   +108 more
core   +1 more source

Presence of Fragmented QRS Complexes in Patients with Obstructive Sleep Apnea Syndrome

Chinese Medical Journal, 2015
Background: Obstructive sleep apnea syndrome (OSAS) is a disease with increasing prevalence, which is mainly characterized by increased cardiopulmonary mortality and morbidity.
Muhammet Rasit Sayin, Murat Altuntas, Ziyaeddin Aktop, Ibrahim I Oz, Nesimi Yavuz, Ibrahim Akpinar, Erol Sagatli, Turgut Karabag, Mustafa Aydin   +8 more
doaj   +1 more source

Correlation of pacing site in right ventricle with paced QRS complex duration

Indian Pacing and Electrophysiology Journal, 2018
Background: Pacing from RV mid septum and outflow tract septum has been proposed as a more physiological site of pacing and narrower paced QRS complex duration.
Anunay Gupta, Neeraj Parakh, Raghav Bansal, Sunil K. Verma, Ambuj Roy, Gautam Sharma, Rakesh Yadav, Nitish Naik, Rajnish Juenja, Vinay K. Bahl   +9 more
doaj   +1 more source

Impact of QRS morphology on response to conduction system pacing after atrioventricular junction ablation

ESC Heart Failure, 2021
Aims His–Purkinje conduction system pacing (HPCSP) utilizing His (HBP) or left bundle branch pacing (LBBP) in patients with atrial fibrillation (AF) and wide QRS duration has not been well studied.
Shengjie Wu, Mengxing Cai, Rujie Zheng, Songjie Wang, Limeng Jiang, Lei Xu, Ruiyu Shi, Fangyi Xiao, Kenneth A. Ellenbogen, Yongmei Cha, Lan Su, Weijian Huang   +11 more
doaj   +1 more source

Influence of the Main Filter on QRS-amplitude and Duration in Human Electrocardiogram

Measurement Science Review, 2019
Accurate measurement of electrocardiograms (ECG) is critical for effective diagnosis of patient’s cardiac functions. Detailed examination of filters’ effects on ECG accuracy, reproducibility and robustness covering a wide range of available commercial ...
Vranić Ivana, Vranić Ivona, Antić Boris, Stojanović Goran, Al-Salami Hani   +4 more
doaj   +1 more source

Evaluation of QRS dispersion and its association withtachyarrhythmia events in patients with implantedcardiac resynchronization therapy defibrillator device [PDF]

Journal of Analytical Research in Clinical Medicine, 2018
Introduction: Heart failure (HF) is one of the major problems of health system in the countries. In a subgroup of these patients, cardiac resynchronization therapy defibrillator (CRT-D) improves the quality of life by enhancing the function of the left ...
Fariborz Akbarzadeh, Babak Kazemi, Elgar Enamzadeh, Nasrin Khaky, Behnaz Ghamari, Farid Karkon Shayan   +5 more
doaj   +1 more source

Relation Between QRS Duration, Right Ventricular Func-tion and Left Ventricular Dyssinchrony in Patients After Surgical Correction of Tetralogy Fallot

Majalah Kardiologi Indonesia, 2013
Background. QRS duration has long been established as a strong predic-tor of sudden cardiac death in patients after surgical correction of Tetral-ogy of Fallot (TOF).
Retna Dewayani, Bambang Budi Siswanto, Poppy S Roebiono, Anna Ulfah Rahajoe, Indriwanto Sakidjan, Ganesja M Harimurti   +5 more
doaj   +1 more source

PERANAN DURASI QRS DAN SKOR QRS SELVESTER DALAM KEBERHASILAN REPERFUSI MIOKARD

Majalah Kedokteran Andalas, 2015
AbstrakPerubahan gambaran elektrokardiogram (EKG) terjadi pada fase akut IMA EST baik berupa perubahan repolarisasi ataupun perubahan depolarisasi. Skor QRS Selvester dan pemanjangan kompleks QRS merupakan parameter yang digunakan untuk memperkirakan ...
Yose Ramda Ilhami
doaj   +1 more source

Change in QRS duration after PEF.

, 2020
Change in QRS duration after PEF.
Paul Stalboerger (8479068), Tyra Witt (4254298), Deepak Padmanabhan (7866704), Samuel J. Asirvatham (2821021), Ameesh Isath (8479062), Alan Sugrue (596803), Christopher Livia (8479056), Vaibhav R. Vaidya (7866701), Christopher V. DeSimone (8479065), Anas Abudan (8479059), Suraj Kapa (5675249), Christopher J. McLeod (8479071)   +11 more
core   +1 more source