Routine follow-up chest X ray of several patients with the Endotak transvenous pacing lead suggested fracture of the conductor at the distal end of the proximal defibrillating coil. Electrical evaluation of these patients' leads demonstrated them to be working normally. Multiple x-ray views of a new undamaged lead demonstrated that in some projection the Endotak lead may appear fractured in spite of normal continuity of the conductors. Physicians dealing with these patients should be aware of this confusing x-ray finding.
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http://dx.doi.org/10.1111/j.1540-8159.1995.tb04652.x | DOI Listing |
Macromol Rapid Commun
December 2024
School of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA.
Examining the mechanical properties of polymer thin films is crucial for high-performance applications such as displays, coatings, sensors, and thermal management. It is important to design thin film microstructures that excel in high-demand situations without compromising mechanical integrity. Here, a polymer blend of polystyrene (PS) and polyisoprene (PI) is used as a model to explore microscale deformation behavior under uniaxial mechanical testing.
View Article and Find Full Text PDFJ Orthop Case Rep
December 2024
Department of Orthopedic Surgery, Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, India.
Introduction: Progressive pseudorheumatoid dysplasia is an autosomal recessively inherited rare disorder with features of growth retardation, multiple joint deformities, and intra-articular loose bodies.
Case Report: This case study is about a 34-year-old man who presented to us following trauma to his right leg. On general assessment, he was short statured with multiple deformities of both upper and lower limbs with local signs suggestive of proximal tibial fracture over his right tibia.
Asian J Neurosurg
December 2024
Department of Neurosurgery, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan.
Traumatic middle meningeal artery aneurysm (TMMA) is a rare condition and a known cause of several different bleeding patterns after head injury. Once detected, they need to be treated as an emergency due to their potential for morbidity and mortality. Generally, recurrence does not occur in surgery for acute epidural hematoma if adequate hemostasis is achieved.
View Article and Find Full Text PDFNat Commun
November 2024
Department of Materials Science and Engineering, Graduate School of Engineering, Tohoku University, Sendai, Japan.
Like the crystallization of water to ice, magnetic transition occurs at a critical temperature after the slowing down of dynamically fluctuating short-range correlated spins. Here, we report a unique type of magnetic transition characterized by a linear increase in the volume fraction of unconventional static short-range-ordered spin clusters, which triggered a transition into a long-range order at a threshold fraction perfectly matching the bond percolation theory in a new quantum antiferromagnet of pseudo-trigonal Cu(OH)Cl. Static short-range order appeared in its Kagome lattice plane below ca.
View Article and Find Full Text PDFArch Plast Surg
November 2024
Department of Plastic and Reconstructive Surgery, Gwangmyeong Sungae General Hospital, Gwangmyeong, Korea.
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