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collapsed lung
Etiology:
- chest trauma
- spontaneous pneumothorax
Pathology:
- intrapulmonary right-left pulmonary shunt
- non-ventilated alveoli
- hypoxemia difficult to correct with supplemental oxygen
Clinical manifestations:
- dyspnea
Laboratory:
- arterial blood gas vs pulse oximetry: hypoxemia
Radiology:
- chest X ray
- triangular opacity above the diaphragm with lower lobe collapse
General
sign/symptom
References
- Medical Knowledge Self Assessment Program (MKSAP) 17, 18.
American College of Physicians, Philadelphia 2015, 2018.