25 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
tea cup") which should ... , median nerve injury ... Wrist #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... aracteristic "claw hand ... spared in this injury ... Anterior Shoulder ... Myotomes #diagnosis #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
• One-and-a-half ... Syndrome • Cavernous ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #
Confabulation
What? Honest Lie.  
No incoming sensory information + Filling of the blanks with different information
Traumatic Brain Injury ... Blindness, Psychiatric Disorders ... Confabulation #differential ... #diagnosis #causes ... #neurology
Causes of Growth Discrepancy: Large for Gestational Age - Differential Diagnosis Algorithm
Maternal Factors:
 • Multiparity
 •
Causes of Growth ... Gestational Age - Differential ... Aboriginal, Hispanic, and ... weeks) • Genetic disorder ... Complications: • Shoulder
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... of hypokalemia starts ... Clinicians should ... • Skin and/or ... #nephrology #potassium
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... onto outstretched hand ... injuries: distal radius ... #Orthopedics #Sports ... #MSK
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Differential Diagnosis ... when evaluation should ... or acute kidney injury ... Neurologic disorders ... #Differential #
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... respiratory drive due to neurologic ... injury or sedatives ... OSA DIFFUSION DISORDER ... hepatopulmonary syndrome
Hydroxyapatite Deposition Disease (HADD) - MSK Radiology
Imaging Findings:
 • Ovoid hypointense structures along the bursal surface
) - MSK Radiology ... Case description ... Differential diagnosis ... other systemic disorders ... #diagnosis #msk