9 results
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
S1 => Weakened stability ... XR — scotty dog sign ... Spondylolisthesis #MSK ... #diagnosis #pathophysiology ... #signs #symptoms
Kussmaul's Sign on Physical Exam

What’s the diagnosis?
Severe biventeicular failure with + Kussmaul sign! NICM. No constriction!

-
Kussmaul's Sign ... with + Kussmaul sign ... Kussmaul's sign ... #Kussmauls #Sign ... #neck #jugular
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
micro-damage exceeds ability ... StressFractures #msk ... #orthopedics #pathophysiology ... #symptoms #signs
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
onto lateral hip Signs ... : • Inability ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology ... #signs #symptoms
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
MeralgiaParesthetica #MSK ... #pathophysiology ... #differential # ... diagnosis #signs ... #symptoms
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
excludes other differentials ... ’s called Frog sign ... Awaves #AVNRT #PhysicalExam ... #JVP #Cardiology ... #Neck #Frog #Sign
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... Collapse: • Pathophysiology ... → Syncope • Signs ... /Symptoms: - Lightheadedness ... heat #illness #differential
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
anterior shoulder instability ... Differential diagnosis ... GAGL): "Reverse J sign ... mri #clinical #Radiology ... #diagnosis #msk
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 ... and/or symptoms ... management #neurology #differential