منابع مشابه
Dilating dangerous pupils.
Altogether 85 eyes from patients at risk to the development of closed-angle glaucoma were dilated with either parasympatholytic or sympathomimetic drugs. Of 21 eyes dilated with cyclopentolate 1/2%, 9 developed angle closure and a significantly raised pressure at some stage during dilatation and subsequent miosis. Of 58 eyes dilated with tropicamide 1/2%, 19 developed angle closure and a signif...
متن کاملDiffusive waves in a dilating scattering medium.
We consider the propagation of a diffusive wave in a scattering medium submitted to a homogeneous expansion. The light multiply scattered by a glass spheres sample is measured. We analyze the variations of the scattered light when the material and the optical wavelength are dilated. We experimentally show that an isotropic expansion of the material is equivalent to a contraction of the waveleng...
متن کاملPost-dilating transcatheter heart valves.
In this issue of JACC: Cardiovascular Interventions, Nombella-Franco and the Quebec Heart and Lung Institute (1) report their experience with balloon post-dilation in patients with residual paravalvular aortic regurgitation after transcatheter heart valve (THV) implantation. Paravalvular regurgitation grade 2 was documented by transesophageal echocardiography in approximately one-third of their...
متن کاملComplications of percutaneous dilating tracheostomy
We prospectively collected data on perioperative complications of CBR from February 2000 to February 2003; in this period we performed 128 percutaneous dilating tracheostomies with the CBR technique. The complication rate was extremely low (Table 1). Although we must mention that we considered bleeding to have taken place only when blood loss was ‘guesstimated’ to be more than 20 ml, lifethreat...
متن کاملSets Characterized by Missing Sums and Differences in Dilating Polytopes
A sum-dominant set is a finite set A of integers such that |A + A| > |A − A|. As a typical pair of elements contributes one sum and two differences, we expect sum-dominant sets to be rare in some sense. In 2006, however, Martin and O’Bryant showed that the proportion of sumdominant subsets of {0, . . . , n} is bounded below by a positive constant as n → ∞. Hegarty then extended their work and s...
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ژورنال
عنوان ژورنال: Noûs
سال: 2020
ISSN: 0029-4624,1468-0068
DOI: 10.1111/nous.12338