11 results
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
Vasculitis There are ... inflammation: • Microscopic ... ANCA #Vasculitis #differential ... diagnosis #algorithm #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
• Mechanical Trauma ... lactam antibiotics are ... Extravascular #Causes #differential ... #diagnosis #hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... hemorrhage, which are ... integrity: - Trauma ... Sjogren's, GPA, EGPA, Microscopic ... Petechiae #Rash #Differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... Noninflammatory • Trauma ... - Autoimmune Rheumatologic ... #Joint #pain #Differential ... Diagnosis #MSK #rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Noninflammatory • Bloody: Trauma ... neuropathy so trauma ... Like in this case ... Joint #Pain #MSK #rheumatology ... approach #workup #differential
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Using fluorescence microscopy ... The ANA patterns are ... What diseases are ... ANA #patterns #rheumatology ... #diagnosis #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... PR3-ANCA): • Microscopic ... ear disease Differential ... Dx: GPA, EGPA, microscopic ... #diagnosis #rheumatology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
abnormal under the microscope ... abnormal under a microscope ... abnormal under the microscope ... blood count with differential ... Syndromes #diagnosis #hematology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... diseases to exclude are ... (PR3-ANCA)): Microscopic ... #Diagnosis #Rheumatology
Filariasis - Wuchereria bancrofti
30 yo F from India presents w/ painless immobile firm mass on the
Denies any trauma ... Humans are definitive ... bancrofti #clinical #photo ... #smear #microscopy