9 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... assay (IFA) is the main ... Using fluorescence microscopy ... Kumfer @AnnKumfer #Antinuclear ... rheumatology #diagnosis #differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
- Arthritis Differential ... How many joints are ... of inflammation are ... Noninflammatory • Trauma ... Joint #pain #Differential
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... Post-infectious GN - Loin pain ... syndrome: • Flank pain ... Malignancy • Trauma ... #Hematuria #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
hemorrhage, which are ... integrity: - Trauma ... lesions • Severe pain ... Sjogren's, GPA, EGPA, Microscopic ... Measurement of antinuclear
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint Pain ... neuropathy so trauma ... Like in this case ... #Joint #Pain #MSK ... approach #workup #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... PR3-ANCA): • Microscopic ... tract: abdominal pain ... , testes -> pain ... Dx: GPA, EGPA, microscopic
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Diseases • Septic arthritis ... polarized light microscopy ... erythematosus (SLE) - Antinuclear ... antibodies, which are ... , and low back pain
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... diseases to exclude are ... tract: Abdominal pain ... (PR3-ANCA)): Microscopic
Majocchi’s Granuloma due to Trichophyton rubrum 
This is GMS stain and culture of a skin biopsy
No pain. ... anywhere - Risks: Trauma ... dissemination rare ... rubrum #clinical #photo ... #microscopy