6282 results
Arthrocentesis - Synovial Fluid Analysis
Normal < 150 WBC, Colorless/Straw color, High Viscosity
Noninflammatory < 3,000 WBC, Straw/yellow
Analysis Normal < 150 WBC ... Inflammatory > 3,000 WBC ... purulent) > 50,000 WBC ... similar to blood ... interpretation #diagnosis
Diagnostic approach to a limping child with an antalgic gait. 

(CBC = complete blood count; CRP
Diagnostic approach ... blood count; CRP ... resonance imaging; WBC ... = white blood cell ... Peds #Pediatrics #Diagnosis
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
of peripheral blood ... Differential Diagnosis ... cultures, including blood ... counts may delay diagnosis ... #differential #diagnosis
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Viscosity: Low • WBC ... : Variable • WBC ... Viscosity: High • WBC ... amplification of blood ... Interpretation #diagnosis
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
Blood Disorders ... and Differential Diagnosis ... bcr-able (+) ↑ WBC ... @AmyChung #Blood ... #Differential #Diagnosis
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
to Joint Pain - Diagnostic ... • Bloody: Trauma ... tumor • Non-bloody ... lower limbs) • WBC ... #differential #diagnosis
Septic Arthritis: Pathogenesis and clinical findings
Notes:
- Septic Arthritis is typically monoarticular & the knee is involved
cases - decr blood ... clarity, >50000 WBC ... pathophysiology #diagnosis
Coccidiomycosis - Diagnosis
Diagnosis:
 • Mildly elevated peripheral WBC, Eosinophilia (25%), Elevated ESR, Procalcitonin normal (95%)
 •
Coccidiomycosis - Diagnosis ... Diagnosis: • Mildly ... elevated peripheral WBC ... system • Urine & Blood ... Beta D Glucan in blood
Possible Algorithm for Workup of Fever of Unknown Origin (FUO)
Tier 1 Workup:
 • CBC, comprehensive metabolic
1 Workup: • CBC ... metabolic panel • Blood ... Workup: • Repeat blood ... scan • Tagged WBC ... Origin #Workup #diagnosis
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
activity is the diagnostic ... available for rapid diagnosis ... of Peripheral blood ... from ischemia WBC ... ThromboticThrombocytopenicPurpura #Diagnosis