56 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 ... aracteristic "claw hand ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
posterior interosseous nerve ... [cannot extend thumb ... Posterior long arm ... I or Ill) • Ortho ... MH/CCF/CWRU EM
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
Differential Diagnosis of Syncope
First, is it syncope? History is very important for distinguishing syncope from other
Differential Diagnosis ... Ask about precipitating ... syncope and their ... associated symptoms are ... #Diagnosis #EM #
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
this specific case ... The median nerve ... flexion of the thumb ... Positive #Abnormal #clinical ... #video #neurology
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
rotated, extended arm ... injuries: Axillary nerve ... MH/CCF/CWRU EM ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... of Glomerular Bleeding ... artery embolism • AVM ... #Diagnosis #causes ... #urology #nephrology