Results 21 to 30 of about 1,220,201 (270)

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

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

Development of an automated updated selvester QRS scoring system using SWT-based QRS fractionation detection and classification [PDF]

, 2014
The Selvester score is an effective means for estimating the extent of myocardial scar in a patient from lowcost ECG recordings. Automation of such a system is deemed to help implementing low-cost high-volume screening mechanisms of scar in the primary ...
Mazomenos, E B, Morgan, John M., Maharatna, K, Acharyya, Amit, Morgan, JM, Chen, T, Bono, Valentina, Mazomenos, EB, Curzen, Nick, Acharyya, A, Bono, V, Chen, Taihai, Rosengarten, James, Rosengarten, J A, Rosengarten, JA, Maharatna, Koushik, Mazomenos, Evangelos B., Curzen, N, Morgan, J M   +18 more
core   +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

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

Diagnostic and prognostic value of QRS duration and QTc interval in patients with suspected myocardial infarction. [PDF]

, 2018
BACKGROUND While prolongation of QRS duration and QTc interval during acute myocardial infarction (AMI) has been reported in animals, limited data is available for these readily available electrocardiography (ECG) markers in humans.
Kawecki, Damian, Morawiec, Beata, Keller, Dagmar I, Dagmar I. Keller, Tobias Reichlin, Maechler, Patrick, Puelacher, Christian, Patrick Maechler, Giménez, Maria Rubini, Stefan Osswald, Damian Kawecki, Christian Mueller, Òscar Miró, Carolina Fuenzalida, Sergio Lopez Iglesias, Twerenbold, Raphael, Badertscher, Patrick, Martín-Sánchez, F Javier, Janosch Cupa, Abächerli, Roger, Thomas Nestelberger, Schumacher, Lukas, Geigy, Nicolas, Calderón, Sofia, Reichlin, Tobias, Iglesias, Sergio Lopez, Nikola Kozhuharov, Chiara Bianci, Cupa, Janosch, Jasper Boeddinghaus, Lorraine Sazgary, Jiri Parenica, Beata Morawiec, Fuenzalida, Carolina, Boeddinghaus, Jasper, Mueller, Christian, Ivo Strebel, du Fay de Lavallaz, Jeanne, Bianci, Chiara, Sofia Calderón, Nestelberger, Thomas, Zaid Sabti, Miró, Òscar, Parenica, Jiri, Maria Rubini Giménez, Nicolas Geigy, Sabti, Zaid, Osswald, Stefan, Patrick Badertscher, Strebel, Ivo, Deborah Mueller, Karin Wildi, Wildi, Karin, Reichlin, Tobias Roman, Sazgary, Lorraine, Roger Abächerli, Raphael Twerenbold, Christian Puelacher, F. Javier Martín-Sánchez, Kozhuharov, Nikola, Lukas Schumacher, Jeanne Du Fay de Lavallaz, Mueller, Deborah   +62 more
core   +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

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

Assessment of Left Ventricular Dyssynchrony in Heart Failure Patients Regarding Underlying Etiology and QRS Duration [PDF]

Journal of Tehran University Heart Center, 2011
Background: Left ventricular (LV) dyssynchrony is a prevalent feature in heart failure (HF) patients. The current study aimed to evaluate the prevalence of inter and intraventricular dyssynchrony in HF patients with regard to the QRS duration and ...
Mahdi Montazeri, Mehrnaz Rezvanfard, Ali Kazemisaeid, Masoumeh Lotfi Tokaldany, Azam Safir Mardanloo, Farzad Darabi, Mahmood Sheikh Fathollahi, Hakimeh Sadeghian   +7 more
doaj   +1 more source