MEDRADSC 2I03 Lecture Notes - Lecture 12: Infant Respiratory Distress Syndrome, Costodiaphragmatic Recess, Chest Tube
25 Nov 2016
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No vascular markings on the right side= lung collapse. A: arrowheads pointing to pleural line (small pneumothorax there) No vasculature on the outside of the arrows (apical pneumothorax) Presence of air in pleural cavity: compresses the lung, leads partial/complete collapse. Either spontaneously or b/c of emphysema: trauma (shot, stabbed, fracture) Iatrogenic (after surgery: b/c of neonatal hyaline membrane disease (lack of surfactant) Appearance: hallmark: visceral pleural line- outlined centrally by air and peripherally by air in the pleural space, hyperlucent area, no pulmonary markings. Upright images, inspiration and expiration views compared. Inspiring: we will see 10 ribs (true inspiration: breathe in, out, In: expiring: see the pneumothorax the best on, manual technique (increase mas by 1/3) Decubitus image: unaffected side down, air rises to the highest point in the hemithorax, more clearly seen on the lateral wall. Med emergency, lung collapse, cardiac output compromised.
