16 results
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Warm Antibody Autoimmune ... ↑ LDH • Anti-RBC ... • Blood smear: Differential ... #diagnosis #management ... #treatment #rheumatology
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
: CBC with diff, ... reticulocyte count, LFTs ... ↑ Destruction (hemolysis ... Diagnosis #Algorithm #hematology ... #workup
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
spherocytosis, Autoimmune ... hemolytic anemia ... Agglutinate: Cold autoimmune ... #Morphology #differential ... #diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential ... elliptocytosis, autoimmune ... #Anemia #Differential ... Diagnosis #Algorithm #workup ... #hematology #testing
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Approach to Anemia - Differential ... Spherocytosis, G6PD, PK, HbC ... - Extrinsic: Autoimmune ... Non-megaloblastic: Liver ... #Diagnosis #hematology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
- Differential ... Celiac disease • Autoimmune ... : Autoimmune hepatitis ... hepatitis: < 1 • Cirrhosis ... injury #hepatitis #differential
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver ... CMV), Alcoholic cirrhosis ... 2-5x normal - Hemolysis ... #LFTs #transaminitis ... #differential #
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... hepatitis: < 1 • Cirrhosis ... #diagnosis #differential ... #Hepatology #transaminitis ... #LFTs #RValue #
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... - Differential ... • Ischemia • Autoimmune ... Infiltrative • Cirrhosis ... • Others #LFTs
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Membrane): - Autoimmune ... Defects, Drugs, Liver ... #Differential # ... Diagnosis #hematology