Radiological signs of atelectasis
Direct signs
1. Displacement of interlobar fissures
2. Crowding of vessels and bronchi
Indirect signs
1. Local increase in opacity
2. Elevation of hemidiaphragm
3. Displacement of mediastinum
4. Compensatory overinflation
5. Displacement of hila
6. Approximation of ribs
7. Absence of air bronchogram
8. Absence of visiblity of the interlobar artery
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Hi
Kindly wait moderation.
Thanks
.Dr.Ilangho