7 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
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... • Compensatory muscular ... Valgus position of knee ... #symptoms #signs ... #diagnosis #msk
Hoover's Sign for Functional Lower Extremity Paralysis

Used to distinguish organic from functional leg hemiparesis.

Ask the patient
Functional Lower ... Ask the patient ... In normal people ... hemiparesis #clinical #video ... #physicalexam #neurology
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
DISLOCATION: ~25% cases ... Neurologic deficit ... Neurologic injuries ... Posterior #Injury #msk ... #clinical #video
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 ... Vascular/Blockage ... 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 ... Pulmonary Contusion