A<unk>  scan may be helpful in establishing the etiology of<unk><unk>  as it may detect underlying disease.<unk>  can also predict the incidence of<unk><unk>  after trauma to the spine. Findings on<unk>  tend to be similar to those found on plain x-ray. Findings on<unk>  scan suggestive of pre-existing COPD include hyperinflation and a flattened diaphragm.<unk>  findings suggestive of interstitial lung disease include reticular nodular shadows. Findings on<unk>  scan suggestive of acute<unk>  distress include cardiomegaly, redistribution of vessels, peribronchial cuffing, pleural effusion, lines within the septum, and bat-wing distribution of perihilar infiltrates.<unk>  may also reveal pathology of the neck, brainstem and peripheral nervous system, such as stroke, tumor and transection of the spinal cord.
Respiratory failure CT
Pleural effusion physical examination
Pneumothorax physical examination
Acute bronchitis physical examination
Aspiration pneumonia physical examination
Community-acquired pneumonia ultrasound
Hemothorax physical examination
Aspiration pneumonia MRI