61 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
usually happens sleeping ... as in this case ... #PhysicalExam #clinical ... #orthopedics #msk ... #sports #neurology
Algorithm for the Evaluation of Diplopia: Diplopia has been explored previously on ddxof. The earlier algorithm
: Diplopia has been ... identifying the paretic nerve ... potential etiologic causes ... #Diagnosis #EM # ... Pinhole #Algorithm #Differential
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
posterior interosseous nerve ... [cannot extend thumb ... I or Ill) • Ortho ... MH/CCF/CWRU EM ... Radiology #XRay #Diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
onto outstretched hand ... immobilize • Splint: Thumb ... spica • Ortho ... MH/CCF/CWRU EM ... Orthopedics #Sports #MSK
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
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... Diagnosis and Workup ... (CVID, WAS), (neurologic ... However, it may be ... #Diagnosis #Causes