11 results
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Causes: • Large lumbar ... central) • Severe lumbar ... • Neoplasm in lumbar ... CaudaEquina #Syndrome #MSK ... #pathophysiology
Guide to Interpretation of Positive Blood Cultures

I arrange the potential Gram stain results that one can
3 questions to ask ... Can use Number of ... positive cx fact ... abx, obtain more cx ... BloodCultures #BCx
Disc Herniations - Pathogenesis and Complications
• 90% of Lumbar disc herniations happen at L4/5 and L5/S1
•
Complications • 90% of Lumbar ... complications #msk ... #pathophysiology
Radiculopathy: Signs and Symptoms
 • Back/Neck Pain
 • Decr Range of motion
 • Abnormal posturing
 •
further pulls on lumbar ... Radiculopathy #MSK ... signs #symptoms #pathophysiology
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
Stork test) • XR ... Spondylolisthesis #MSK ... #diagnosis #pathophysiology
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
spinal stenosis, lumbar ... MeralgiaParesthetica #MSK ... #pathophysiology
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
pain at thoracic/lumbar ... decreased reflexes Pathophysiology ... tissue damage - CXR
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
survival is 93-95% Pathophysiology ... e.g. incidental CXR ... anterior/posterior MSK
#ICUCard
RENAL
GFR
90-131
mL/min
((140-age)*Wt)/(72*Cr)
Glomerular Filtration Rate (Cockcroft)
CI Cr
90-131
mL/min
(CrU * volume)/CrS
Creatinine Clearance
FENa
0.0-1.0
%
((U/P Na)/(U/P Cr))*100
Fractional Excretion of Na+
Na req
mEq
(125-Na)*0.6*Wt
Required Sodium
FE Urea
140-age)*Wt)/(72*Cr ... Cockcroft) CI Cr ... ((U/P Na)/(U/P Cr ... 70 mmHg on 100% mask ... Inc PO Box 20367
Positive Posterior Drawer Test in Total Knee Arthroplasty 

73 yo M with hx of L TKA
a low profile box ... be mistaken for CR ... Drawer #Test #TKA #MSK