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

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
(AIHA) - Differential ... Diagnosis Table ... Cold Agglutinin Disease ... #AIHA #Differential ... #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Diagnosis Algorithm ... disorders • Celiac disease ... effect following treatment ... Iron deficiency anemia
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (MCV) - Differential ... Diagnosis Algorithm ... (e.g. ... #Diagnosis #Algorithm ... #Causes #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... - Autoimmune (AIHA ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
1) DIAGNOSE AIHA ... • Blood smear: Differential ... screening 3) TREAT AIHA ... #diagnosis #management ... #treatment #rheumatology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Iron deficiency anemia ... anemia (sometimes ... Chemotherapy (e.g ... RBC #Morphology #differential ... #diagnosis #hematology
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Diagnosis Algorithm ... Constant Pain (Ischemia ... • Sickle Cell Anemia ... Peripheral Vascular Disease ... long bone) • Air
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential ... Diagnosis Framework ... aciduria, Drugs (e.g ... Non-megaloblastic: Liver disease ... #Diagnosis #hematology
Diffuse Acute Abdominal Pain (<72 hours) - Differential Diagnostic Algorithm
Look for surgical abdomen
Upper quadrant: R/O cardiac,
(<72 hours) - Differential ... Diagnostic Algorithm ... • Mesenteric ischemia ... (e.g., Diabetic ... • Sickle cell anemia
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Diagnosis Framework ... Autoimmune: Warm AIHA ... Defects: Sickle cell anemia ... #Diagnosis #hematology