notching


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A term referring to small grooves on the inferior face of the ribs, usually the 4th-8th thoracic ribs, seen on a plain film of 70% of older children and adults with uncorrected post-ductal—ductus arteriosus—coarctation of the aorta, due to ‘tracks’ from the pressure of dilated intercostal collateral vessels on the ribs

notching

Radiology Small grooves on the anterior aspect of ribs seen on a plain CXR of children with post-ductal–ductus arteriosus coarctation of the aorta, due to 'tracks' from the pressure of collateral vessels on the ribs.
References in periodicals archive ?
Although control and experimental lobsters in tank C did not demonstrate significant differences in mortality, particular interest is paid to the period at the start of the experiment, when 12% of v-notched lobsters died immediately after notching. Examination of the survival trend lines indicate that, other than the mortality of v-notched lobsters in tank C at the start of the experiment, mortality rates were almost identical for each group throughout the entire length of the study.
Some in the industry argue that the primary cause of error in pendulum impact tests is incorrect or inconsistent notching of test specimens.
The notching and boring rules of thumb for solid lumber are shown in Fig.
Given this, and Fitch's expectations for each entity's capital ratios, we have limited the notching for non-performance to two notches.
Fitch has narrowed the notching differential between the DPR rating and the originator's LC IDR to one notch from two notches for Bosphorus and DFS, as in Fitch's view, QNB Finansbank's and Denizbank's relative positions, as reflected in their respective GCA scores, in the Turkish banking sector imply that their DPR flows could be more vulnerable to the increased systemic stress.
The notching includes only one notch for loss severity; there is no additional notch for non-performance risk as this is captured by support-driven National Long-Term Rating.
The notching includes one notch for loss severity and zero notches for non-performance risk.
The notching reflects the notes' higher expected loss severity relative to senior unsecured creditors.