9 results
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Differential Diagnosis ... hemoglobinuria) • Cold Agglutinin ... Disease Mixed-type ... #Table #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
women • 15% of AIHA ... Viral infection, autoimmune ... CLL (older) • Autoimmune ... test #cold # ... agglutinin #disease
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
( +/- ) Cold agglutinin ... disease • DAT ... #antiglobulin #test ... #Hemolysis #hematology ... #diagnosis
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Autoimmune diseases ... contact with cold air ... fatigue, Nausea, abdominal ... Cold #Urticaria #diagnosis ... #rheumatology #
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
- Differential Diagnosis ... HELLP - Grafts, Valves ... Membrane): - Autoimmune ... Laboratory Tests ... #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... (AIHA) "Warm" ( ... (AIHA)"Cold" (usually ... . primary cold agglutin ... #hematology #anemia
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
Cause in the US: Autoimmune ... or metastatic disease ... ) w/ anorexia, abdominal ... A STIM test can ... #Management #Endocrinology
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Nausea/vomiting • Abdominal ... Serum DHEAS Diagnosis ... /dL -> Primary AI ... #endocrinology ... #diagnosis #signs
Clinical Diagnosis of Autoimmune Hepatitis
 - Onset of jaundice within prior 8 weeks
 - Ongoing consumption
Clinical Diagnosis ... of Autoimmune Hepatitis ... >1.5, and both values ... atypical laboratory tests ... #Hepatology #AIH