Results 21 to 30 of about 254,982 (332)

Pericardial Constriction with Severe Mitral Regurgitation: An Uncommon Association

open access: yesJournal of the Indian Academy of Echocardiography & Cardiovascular Imaging, 2020
Pericardial constriction is a condition, in which there is a lack of transmission of changes in intrathoracic pressures to the structures encased in pericardium due to thickened, fibrosed, and most of the cases, calcified pericardium.
Saurabh Ajit Deshpande   +3 more
doaj   +1 more source

Evaluación de diferentes ambientes en la sinterización de aleaciones pulvimetalúrgicas consolidadas por inducción de ultra-alta frecuencia

open access: yesRevista de Metalurgia, 2015
Este trabajo comprende una revisión de la aplicación de la inducción de ultra-alta frecuencia (UHFIS) en la sinterización de aleaciones pulvimetalúrgicas de base hierro para diferentes ambientes.
Pınar Sari Çavdar, Uǧur Çavdar
doaj   +1 more source

A quantum point contact for neutral atoms [PDF]

open access: yes, 1999
We show that the conductance of neutral atoms through a tightly confining waveguide constriction is quantized in units of lambda_dB^2/pi, where lambda_dB is the de Broglie wavelength of the incident atoms.
A. Yacoby   +34 more
core   +2 more sources

CT Findings of Central Airway Lesions Causing Airway Stenosis-Visualization and Quantification: A Pictorial Essay

open access: yes대한영상의학회지, 2021
The tracheobronchial tree is a system of airways that allows the passage of air to aerate the lungs and entire body. Several pathological conditions can affect this anatomical region.
Myeong Jin Choi, Hee Kang
doaj   +1 more source

The Heterogeneous Expressions of Pericardial Disease: A Case Report/Series [PDF]

open access: yesReviews in Clinical Medicine, 2019
Introduction: The pericardium may have various phenotypic manifestations in assorted disease states, such as acute pericarditis, effusive constrictive pericarditis, and constrictive pericarditis.
Tim Paterick
doaj   +1 more source

A Review of Factors to Consider for Permanent Cordon Establishment and Maintenance

open access: yesAgronomy, 2021
Decisions made during the establishment and reworking of permanent cordon arms may have long-term consequences on vineyard health and longevity. This review aims to summarise several of the important considerations that must be taken into account during ...
Patrick O’Brien   +3 more
doaj   +1 more source

Liver Graft Failure after Plastic Stent Removal of an Anastomotic Biliary Stricture

open access: yesThe Korean Journal of Gastroenterology, 2022
A biliary anastomotic stricture developed 13 months after living donor liver transplantation in a 19-year-old male with congenital hepatic fibrosis. Endoscopic management with balloon dilation followed by the placement of a 7F plastic stent was performed
Jung Won Chun   +3 more
doaj   +1 more source

Violation of the fluctuation-dissipation theorem in time-dependent mesoscopic heat transport [PDF]

open access: yes, 2010
We have analyzed the spectral density of fluctuations of the energy flux through a mesoscopic constriction between two equilibrium reservoirs. It is shown that at finite frequencies, the fluctuating energy flux is not related to the thermal conductance ...
Averin, Dmitri V., Pekola, Jukka P.
core   +2 more sources

“Hot Septum” Sign of Constrictive Pericarditis

open access: yesJACC: Case Reports, 2020
In patients with constrictive pericarditis, a characteristic reduction in the regional longitudinal strain seen in the areas of the left ventricular free wall and relative sparing of the septal longitudinal strain values create an easily recognizable ...
Edgar Argulian, MD MPH   +1 more
doaj   +1 more source

Domain-wall dynamics at micropatterned constrictions in ferromagnetic (Ga,Mn)As epilayers [PDF]

open access: yes, 2005
The influence of sub-µm geometric constrictions on 90° magnetic domain-wall nucleation and propagation in stripes of ferromagnetic (Ga0.95,Mn0.05)As was explored.
Awschalom, D. D.   +4 more
core   +1 more source

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