Results 41 to 50 of about 192,727 (304)

Non-invasive topical diagnostics of heart arrhythmias

Патология кровообращения и кардиохирургия, 2015
The aim of this study was to measure the accuracy of noninvasively obtained ventricular activation (isolated epicardial vs combined endo-epicardial mapping) as compared with that of standard invasive mapping in patients with ventricular arrhythmias.
М. С. Хлынин, С. В. Попов, С. Н. Криволапов, Р. Е. Баталов   +3 more
doaj   +1 more source

Tissue Tracking Imaging for Identifying the Origin of Idiopathic Ventricular Arrhythmias: A New Role of Cardiac Ultrasound in Electrophysiology [PDF]

, 2005
Several strategies for mapping ventricular outflow tract tachycardia have been reported as useful indices for differentiating between those originating from the right and the left side.
Roy TN, Sunil, Sankar, Vikram, Francis, Johnson, Tada, Hiroshi   +3 more
core  

Meta‐Rod Mechanical Metamaterials With Programmable Reconfiguration

Advanced Functional Materials, EarlyView.
Existing mechanical metamaterials achieve programmable large deformations in planar square or cubic configurations, restricted by required complex boundary conditions. This research proposes a 1D metamaterial, Meta‐rod, with linear, bending, twisting, area, and volume deformation modes.
Atharva Pande, Lyes Kadem, Hang Xu
wiley   +1 more source

Arrhythmias in Patients With Valvular Heart Disease: Gaps in Knowledge and the Way Forward

Frontiers in Cardiovascular Medicine, 2022
The prevalence of both organic valvular heart disease (VHD) and cardiac arrhythmias is high in the general population, and their coexistence is common. Both VHD and arrhythmias in the elderly lead to an elevated risk of hospitalization and use of health ...
Maciej Kubala, Maciej Kubala, Christian de Chillou, Yohann Bohbot, Yohann Bohbot, Patrizio Lancellotti, Maurice Enriquez-Sarano, Christophe Tribouilloy, Christophe Tribouilloy   +8 more
doaj   +1 more source

Andersen-Tawil Syndrome [PDF]

, 2006
Andersen-Tawil syndrome (ATS) is a rare condition consisting of ventricular arrhythmias, periodic paralysis, and dysmorphic features. In 2001, mutations in KCNJ2, which encodes the α subunit of the potassium channel Kir2.1, were identified in patients ...
Smith, Andrew H, Fish, Frank A, Kannankeril, Prince J   +2 more
core   +1 more source

Mechanical and Electrical Phenotype of hiPSC‐Cardiomyocytes on Fibronectin‐Based Hydrogels

Advanced Healthcare Materials, EarlyView.
We introduce fibronectin‐based PEG hydrogels with controlled rigidity to enable the culture of iPSC‐derived cardiomyocytes. These substrates offer an alternative to the current culture of these cells on fibronectin‐coated glass, providing enhanced structural and functional behavior. The system provides a more physiologically relevant platform to assess
Ana Da Silva Costa, Lineta Stonkute, Sara Trujillo, Mariana Azevedo Gonzalez Oliva, Francis Burton, Matthew J. Dalby, Oana Dobre, Godfrey Smith, Manuel Salmeron‐Sanchez   +8 more
wiley   +1 more source

Electrocardiographic Patterns of Ventricular Arrhythmias in Arrhythmogenic Right Ventricular Dysplasia/Cardiomyopathy

Frontiers in Physiology, 2012
Ventricular arrhythmias in patients with ARVD/C are common. Differentiation between idiopathic ventricular tachycardia and arrhythmogenic right ventricular dysplasia is of utmost importance.
Kurt eHoffmayer, Melvin M Scheinman
doaj   +1 more source

Do K_ATP channels open as a prominent and early feature during ischaemia in the Langendorff-perfused rat heart? [PDF]

, 2000
The objective was to investigate whether myocardial adenosine triphosphate-sensitive K⁺ (K_ATP) channels open during the first 10 min of regional ischaemia in Langendorff-perfused rat hearts.
MacKenzie, I., Northover, B.J., Workman, A.J.   +2 more
core   +1 more source

A Nano‐Interception Strategy for Chronic Heart Failure: Prussian Blue Nanoparticles Disrupt Fibroblast‐Immune Communication via CCL2 Sequestration

Advanced Materials, EarlyView.
A nano‐interception strategy disrupts pathogenic fibroblast–macrophage crosstalk in chronic heart failure. Scalable Prussian blue nanoparticles selectively sequester CCL2 via ultrahigh‐affinity binding, preventing CCR2+ macrophage recruitment and breaking a key fibro‐inflammatory circuit. This approach demonstrates robust efficacy in murine and porcine
Bo Chen, Gao Wei, Guowei Zeng, Haoyu Li, Rongrong Wu, Hongyu Yan, Zijie Zhou, Kai Luo, Xiaoyang Zhang, Cong Li, Longming Huang, Lingyan Cheng, Xinjie Zhang, Jinghao Zheng, Bozhong Shi, Xiaojun Cai, Xiaomin He   +16 more
wiley   +1 more source

Capabilities of radiodiagnostic techniques for evaluating myocardial hemodynamics and contractility in ventricular arrhythmias

Вестник рентгенологии и радиологии, 2016
As of now, the study of ventricular arrhythmias (VA) is of topical interest for modern arrhythmology and cardiology. These arrhythmias constitute about 30% of all the arrhythmias and have a diverse etiopathogenetic basis.
K. V. Zavadovskiy, V. V. Saushkin, Yu. B. Lishmanov   +2 more
doaj   +1 more source