4 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... damage to peroneal nerve ... stopping walking (vascular ... Myotomes #diagnosis #neurology ... #sensory #motor
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Acute Spinal Cord ... injury, often from vascular ... saddle anesthesia. leg ... pathophysiology #signs ... #orthopedics #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Upper Motor Neuron ... Impairment: • Acute ... Lack of UMN/LMN signs ... myositis • Genetic: Muscular ... myopathies, the muscular
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... Sensory and/or motor ... arthralgia, arm/leg ... pulse deficits vascular ... muscle weakness • Nerves