A patient with refractory paroxysmal atrioventricular nodal re-entrant tachycardia had required direct current cardioversion to terminate attacks on 83 occasions. A dual demand pacemaker was implanted to sense and interrupt attacks of tachycardia automatically. The pacing electrode was positioned in the proximal coronary sinus near to the atrioventricular node; a site from which fixed rate underdrive pacing successfully interrupted attacks throughout a trial period of one week, with a lead left in this position on a temporary basis. Complete control of the arrhythmia was obtained in the six months after pacemaker implantation.
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http://dx.doi.org/10.1136/hrt.45.1.105 | DOI Listing |
Open Mind (Camb)
January 2025
Department of Neuroscience, Psychology, Pharmacology, and Child Health, University of Florence, Florence, Italy.
When objects are grouped in space, humans can estimate numerosity more precisely than when they are randomly scattered. This phenomenon, called groupitizing, is thought to arise from the interplay of two components: the subitizing system which identifies both the number of subgroups and of items within each group, and the possibility to perform basic arithmetic operations on the subitized groups. Here we directly investigate the relative role of these two components in groupitizing via an interference (dual task) paradigm.
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View Article and Find Full Text PDFACS Appl Mater Interfaces
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Department of Chemical Engineering, Myongji University, Yongin 17058, Republic of Korea.
Liquid metals (LMs), i.e., metals and alloys that exist in a liquid state at room temperature, have recently attracted considerable attention owing to their electronic and rheological properties useful in various cutting-edge technologies.
View Article and Find Full Text PDFEval Health Prof
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Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, China.
Innovation in healthcare is crucial for enhancing patient care and operational efficiency. Nurses often experience stress that may impede the process of innovation. This study utilizes the Job Demands-Resources model and Cognitive Appraisal Theory to investigate the impact of challenge stress, work rumination, and information literacy on the expression of innovative behaviors among nurses.
View Article and Find Full Text PDFAnal Chem
January 2025
School of Physics and Optoelectronics, Xiangtan University, Xiangtan 411105, PR China.
Low humidity detection down to the parts per million level is urgently demanded in various industrial applications. The hardly detected tiny electrical signal variations caused by a very small amount of water adsorption are one of the intrinsic reasons that restrain the detection limit of the humidity sensors. Herein, a carbon-based field-effect transistor (FET) humidity sensor utilizing adsorbed water as the dual function of a sensing gate and analyte was proposed.
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