Presentation
Presented with a GI bleed to the acute medical team. PMH Diabetes, Stroke with residual left sided weakness, HTN. On examination chest was clear. CXR taken to check for air under the diaphragm in case of GI perforation
Patient Data
Apparent reduced transparency of the left side of the lung. In addition, there appeared to be calcification of the aortic knuckle.
The patient denied any breathing problems, SOB, purulent sputum or hematemesis. Chest was re-examined and was clear.
Noted on further inspection that whiteout of the lung was caused by superimposition of left hand and forearm over the chest. He could not move these himself due to residual weakness from his previous stroke. "Calcification of aortic knuckle" was noted to be the patient's ring.
Repeat chest x-ray demonstrates no acute changes.
Case Discussion
Being aware of artifacts on chest x-ray is important so as not misdiagnose and misdirect patient care.
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