7 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
, often from vascular ... Mixed upper and lower ... saddle anesthesia. leg ... pathophysiology #signs ... #orthopedics #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... and bilateral leg ... Commonly caused ... such as fibular fracture ... Myotomes #diagnosis #neurology
Hoover's Sign for Functional Lower Extremity Paralysis

Used to distinguish organic from functional leg hemiparesis.

Ask the patient
Functional Lower ... Extremity Paralysis ... In normal people ... hemiparesis #clinical #video ... #physicalexam #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
• Symptoms and signs ... compression by fractured ... Non-compressive Spinal Cord Causes ... , lower extremity ... disorders #diagnosis #neurology
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
DISLOCATION: ~25% cases ... Neurologic deficit ... rule out based on normal ... Neurologic injuries ... msk #clinical #video
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... arthralgia, arm/leg ... fluid (CSF) is abnormal ... tract, and often causes ... legs), cutaneous
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... structural and vascular ... defaulting to a normal ... With multiple lower ... Most commonly caused