Pneumothorax Ct Scan. Thoracic ultrasound has more sensitivity than a supine chest radiograph (see: (n = 67) occult pneumothorax identification increased as a result of more sensitive testing with ct scan.

It is caused most frequently by trauma or blunt or penetrating injury, which may be accidental or iatrogenic. Precise anatomy of the pneumothorax (e.g., loculated vs.