Chronic ventilator unit admission criteria.

B.Bones and breast shadows: Inspect the bones for radiographic density, fractures, lytic lesions, or bony deformity. Eval¬ uate the breast shadows for gross asymmetry, evidence of prior surgery, and any gross calcification. C.Cardiac silhouette: Assess the cardiac silhouette for gen¬ eral size and contour. D.Diaphgram: Assess the diaphgram(s) with attention to the contour and costaphrenic angle, bilaterally. E.Everything else: Review everything else around the lung fields including the subcutaneous soft tissues and pleural bound¬ aries.