18 results
Critical and Emergent Causes of Neuromuscular Weakness
CRITICAL DIAGNOSES 
 - Cerebral cortex or subcortical 
 -
Critical and Emergent ... Causes of Neuromuscular ... - Peripheral nerve ... Neuromuscular #Weakness #Differential ... #Neurology #Causes
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
T1 (ulnar) • Thumb ... T1 leading toc ... axillary nerve ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
grip weakness caused ... by flexing the thumb ... #Palsy #clinical ... #video #neurology ... #physicalexam #msk
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Examination Left hand ... as in this case ... #PhysicalExam #clinical ... #orthopedics #msk ... #sports #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... heavy metals), Critical ... #differential # ... diagnosis #neurology
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
onto outstretched hand ... posterior interosseous nerve ... [cannot extend thumb ... I or Ill) • Ortho ... MH/CCF/CWRU EM
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
The median nerve ... patient to relax the hand ... flexion of the thumb ... Positive #Abnormal #clinical ... #video #neurology
Boxer's Fracture - ED Management
Be sure to assess for wounds in patients with fractures of the
block or ulnar nerve ... flexed 70-900 • Ortho ... MH/CCF/CWRU EM ... Boxers #Fracture #Thumb ... #Orthopedics #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
joint needs to be clinically ... Finger deformity caused ... PIP joint • Ortho ... MH/CCF/CWRU EM ... #Orthopedics #MSK
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... Diagnosis Framework ... include a: • Neurologic ... masses and lymphadenitis ... cause unknown)