Bronchiectasis and Atelectasis: Temporary and Permanent Changes

Bronchiectasis and atelectasis; temporary and permanent changes.

The introduction of iodized oil as a contrast medium in radiology by Forestier and Sicard made it possible for the first time to demonstrate dilated bronchi in the living body. Thus the diagnosis of bronchiectasis could be made with certainty during life and was no longer dependent on post-mortem verification. Cases of bronchiectasis became apparent which did not show the classical symptoms of ...

China's Permanent and Temporary Migrants: Differentials and Changes, 1990–2000

A unique feature of migration in China is its two-track system, one consisting of permanent migration and temporary migration. This article examines whether and how hukou reforms and the maturation of migration streams since the 1980s have changed the two-track system. Using data on interprovincial migration from the 1990 and 2000 censuses, our empirical analysis focuses on the differentials be...

Bradyarrhythmias, temporary and permanent pacing.

Bradycardia is common in critical care units. It may be transient, asymptomatic and of little consequence, or life-threatening. Bradycardia may result from abnormalities of the sinus node, atrioventricular node, or the His-Purkinje system. It may also be precipitated by drug effects or enhanced vagal tone. Proper diagnosis is pivotal to determining prognosis and management. Temporary and perman...

Leaf Area and Water Content Changes after Permanent and Temporary Storage

Accurate measurements of leaf morphology must be taken to develop models of ecosystem productivity and climate change projections. Once leaves are removed from a plant they begin to lose water and degrade. If specimens cannot be measured immediately after harvest, it is important to store the leaves in a manner that reduces morphological changes. If preserved specimens are used, estimates that ...

Henna Tattoo: Temporary or Permanent?