Clinical indication:
It is usually requested for the patients who are unable to sit or stand and it also demonstrate air-fluid levels in case of pathology, mediastinitis, pleural effusion, and pneumothorax
Region:
Lung apices, trachea, bronchus, mediastinum, costophrenic angle, ribs
Patient’s Position:
Place a support with thickness of 5-10cm on filming table and place the patient on support in lateral decubitus position.
Place the cassette on front of patient’s chest and put arm around cassette
Cassette:
Size: 14’’x17’’ Orientation: Portrait / landscape
FFD/SID:
100cm
Central ray:
Central ray towards the center of the chest with height of 7th thoracic
Grid:
Yes
Respiration:
Suspended with deep inspiration
Exposure factors:
60-80kVp 12-16mAs
Collimation:
Superiorly to above the shoulders, inferiorly to the 12th rib and laterally include skin margins