46 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
• Mexion - C8 (median ... opp - C8, T1 (median ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Causes of Peripheral ... Weakness with Sensory ... - Differential Diagnosis ... • Peroneal • Radial ... #Algorithm #Causes
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Medical Emergency ... Foot drop and sensory ... Commonly caused ... Dermatomes #Myotomes #diagnosis ... #motor #leg #physicalexam
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Handle Tear - MSK ... Case description ... Differential diagnosis ... clinical #Radiology #diagnosis ... #msk
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... Anesthesia • Sensory ... • Pain/sensory disturbance ... CaudaEquina #Syndrome #MSK ... pathophysiology #diagnosis
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
- Differential Diagnosis ... Central Causes ... toxicity • Otitis media ... Amy Chung, MD, MSc ... #Differential #Diagnosis
Pes Anserine Bursitis - MSK Radiology
Imaging Findings:
 • T2-hyperintense fluid-like signal along the medial aspect of
Anserine Bursitis - MSK ... Case description ... Differential diagnosis ... clinical #Radiology #diagnosis ... #msk
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop - Radial ... compression of the radial ... sleeping as in this case ... #Nerve #Palsy #PhysicalExam ... #orthopedics #msk
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
tears of gluteus medius ... abduction and medial ... pathophysiology #causes ... symptoms #signs #diagnosis ... #msk
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
Clinical Findings Medical ... Viral replication causes ... - Peripheral sensory ... Pathophysiology #Diagnosis