14 results
Cubital Tunnel Syndrome: Pathogenesis and clinical findings

 • Paresthesia of 5th and medial half of 4th
Cubital Tunnel Syndrome ... hand and elbow pain ... elbow flexion test ... #Diagnosis #pathophysiology ... signs #symptoms #msk
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Loss of pain and ... , pain and temperature ... #Syndromes #diagnosis ... signs #symptoms #msk ... #orthopedics #neurology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Acute Kidney Injury ... , Cardiorenal, Distributive ... Abdominal Compartment Syndrome ... #nephrology #causes ... #algorithm
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework ... Sciatica • Tarsal tunnel ... Repetitive strain injury ... Trauma • Crush injury ... lower #extremity #msk
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Findings Compression/injury ... follow dermatomal distributions ... absent: lower back pain ... Straight Leg Raise Test ... MeralgiaParesthetica #MSK
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
Mechanisms of Pain ... syndrome - Deafferentation ... • Spinal injury ... #Neurology #Differential ... #Diagnosis #Algorithm
Principal patterns of loss of sensation.
 (a) Thalamic lesion: sensory loss throughout opposite side (rare).
dissociated', i.e. pain ... Brown—Séquard syndrome ... spinothalamic (pain ... #Diagnosis #Neurology ... Loss #Deficit #Distribution
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
spared in this injury ... Carpal Tunnel Syndrome ... the median nerve distribution ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
: - Loss of pain ... temperature in the distribution ... multiradicular pain ... #differential #diagnosis ... #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
- Bimodal age distribution ... myasthenia Diagnosis ... Bedside: ice pack test ... /Edrophonium test ... #management #neurology