8 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Reflexes: • Knee ... Commonly caused ... such as fibular fracture ... Myotomes #diagnosis #neurology
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
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
Orthopedic Splints, Casts, Plasters, Traction and Frames
Upper Limb and Spine 
 • DUNLOP TRACTION: Used in
cervical spine injury ... cervical spine injury ... applied to the normal ... of ankle joint/leg ... deformity of hip and knee
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
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