A 30-year-old female presents with left second finger pain with overlying erythema, warmth, and swelling the day after her cat bit her finger. She cannot fully extend the finger, it is tender and she has pain when it is passively extended. Her hand appears as shown above (Figure 1. Case courtesy of Kristina Kyle, MD).
Figure 1. Image prompt: AP view of the pelvis and left hip. Authors’ own images.
A 70-year-old male presents with left hip pain and inability to ambulate after a mechanical trip and fall. Examination demonstrates that the left lower extremity is shortened, abducted and externally rotated. Hip and pelvis x-rays are obtained (Figure 1).
A 29-year-old male presents with right shoulder pain, throbbing, and swelling. He states that a bulge has appeared over his right anterior shoulder recently (Image 1). While he was doing pushups today, he began to have numbness, tingling, and weakness in his right arm. While in the waiting room, his symptoms have completely resolved.
Image 1: Bedside ultrasound of the anterior shoulder at the site of the bulge. AA=axillary artery. AV=axillary vein. Author’s image.
An 80-year-old male presents with severe right arm pain after he tripped and fell down 2 steps. Examination shows deformity and swelling to his right upper arm. You obtain AP and lateral humerus x-rays as above.
A 27-year-old female presents with left knee pain after a low-speed motor vehicle collision in which her knee hit the dashboard. She is tender over the patella without significant effusion and has an intact extensor mechanism. The above x-ray was obtained (Image 1. X-ray left knee. Case courtesy of Dr. M. Mourits, Radiopaedia.org, rID: 14476).
An 18-year-old football player presents to the Emergency Department after an episode of transient numbness, tingling, and inability to move his right upper extremity after making a tackle. He continued playing without recurrence. The above imaging was obtained (Figure 1. Lateral cervical spine x-ray. Case courtesy of Dr Andrew Dixon, Radiopaedia.org, rID: 32505).
A 17 year-old female who recently started training for a marathon presents with progressively severe pain over her midfoot, notable for point tenderness over the 2nd metatarsal shaft. The above image was obtained (Image 1. X-ray of the left foot. Image courtesy of Matthew Negaard, MD). (more…)
