70 results
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
C3 positive or negative ... mediated - DAT: IgG negative ... Pathophysiology #diagnosis ... #hematology
Rheumatoid Arthritis - 2020 ACR-EULAR Classification
≥ 6 of 10 points = definite RA
Joint Involvement:
Arthritis - 2020 ACR-EULAR ... at least 1): Negative ... RF, negative anti ... Rheumatoid #Arthritis #diagnosis ... #rheumatology
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
- Differential Diagnosis ... AIHA (7-8%) DAT-negative ... #Differential #Diagnosis ... #Table #hematology
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
Hemolysis DAT Negative ... Autoimmune #Hemolysis #hematology ... #diagnosis
Behcet's Syndrome - Diagnosis
Diagnostic Criteria for Behget's Syndrome (International Study Group for Behget's Disease):
 • Recurrent,
Behcet's Syndrome - Diagnosis ... Diagnostic Criteria ... genital ulcers - Ocular ... Syndrome #disease #Diagnosis ... #criteria #rheumatology
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
- Differential Diagnosis ... normal • DAT negative ... #Differential #Diagnosis ... Management #Algorithm #hematology
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
Ocular Myasthenia ... Her ocular exam ... pack test were negative ... Seronegative ocular ... PhysicalExam #clinical #video
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Pauci-immune mediated (Negative ... #differential #diagnosis ... #algorithm #rheumatology
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
pulmonary emboli, and ocular ... Cryofibrinogenemia Diagnosis ... levels >1g/L • Negative ... cryoglobulins • Negative ... #rheumatology #
Approach to Gout
Diagnosis: r/o septic arthritis! Needle-shaped, negative birefringent crystals
Treatment:
 • Weight loss, diet, d/c culprit
Approach to Gout Diagnosis ... Needle-shaped, negative ... NUIM_Chiefs #gout #diagnosis ... treatment #ULT #rheumatology