74 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... Saturday night palsy ... regimental badge" anesthesia ... Dermatomes #Myotomes #diagnosis
Parkinson's Plus Syndromes - Atypical Parkinsonism
Main motor symptoms:
 • Tremors
 • Limb rigidity
 • Bradykinesia
Other symptoms
Parkinsonism Main ... motor symptoms: ... Bradykinesia Other symptoms ... Progressive supranuclear palsy ... #Parkinsonism #diagnosis
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... spine Signs / Symptoms ... Incontinence • Saddle Anesthesia ... damage to sacral nerves ... pathophysiology #diagnosis
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework ... artery aneurysms Nerve ... Spinal stenosis/nerve ... Paralysis 4) Paresthesia ... #differential #diagnosis
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
Causes of Back Pain ... - Differential Diagnosis ... dysfunction, saddle paresthesia ... constitutional symptoms ... • Cauda Equina Syndrome
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Fracture of proximal ulnar ... posterior interosseous nerve ... ), compartment syndrome ... ED Management: Pain ... Radiology #XRay #Diagnosis
Cubital Tunnel Syndrome: Pathogenesis and clinical findings

 • Paresthesia of 5th and medial half of 4th
Pathogenesis and clinical ... findings • Paresthesia ... hand and elbow pain ... #Diagnosis #pathophysiology ... #signs #symptoms
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Pathogenesis and Clinical ... Femoral Cutaneous Nerve ... purely sensory nerve ... absent: lower back pain ... Raise Test - Pain
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Pathogenesis and clinical ... Loss of pain and ... reflex. saddle anesthesia ... #diagnosis #pathophysiology ... #signs #symptoms
Acute Coronary Syndrome - Diagnostic Likelihood Ratios for Symptoms and Physical Examination. 

Source:  Does This
Acute Coronary Syndrome ... - Diagnostic Likelihood ... Ratios for Symptoms ... Patient With Chest Pain ... : The Rational Clinical