11 results
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
interarticularis stress ... XR — scotty dog sign ... Spondylolisthesis #MSK ... #diagnosis #pathophysiology ... #signs #symptoms
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
Stress Fracture: ... continued loading Stress ... StressFractures #msk ... #orthopedics #pathophysiology ... #symptoms #signs
Diagram of different types of bone tumors that can occur around the knee on XRay -
blade of grass sign ... bone island • Stress ... Chondrosarcoma • Stress ... Diagnosis #Bony #Differential ... Radiology #XRay #msk
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
sliding/barcode sign ... Acute Respiratory Distress ... submassive PE) POCUS ... #pulmonary #differential ... #Lung #POCUS #ultrasound
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
blade of grass sign ... bone island • Stress ... Chondrosarcoma • Stress ... Lesions #Bony #Differential ... Radiology #XRay #MSK
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
FOPE lesion) - MSK ... increased local stress ... (save $$) Differential ... diagnosis: • Salter ... Radiology #diagnosis #msk
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
MeralgiaParesthetica #MSK ... #pathophysiology ... #differential # ... diagnosis #signs
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
virus or Group A Strep ... polymorphisms alter ... HenochScholeinPurpura #Pathophysiology ... #Diagnosis #Signs
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... Collapse: • Pathophysiology ... → Syncope • Signs ... environmental heat stress ... heat #illness #differential
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
10-33% develop MS ... monophasic Pathophysiology ... • Bilateral signs ... Infections: - Herpes zoster ... management #neurology #differential