56 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... - Differential ... Hypersplenism, Infection ... #Anemias #Differential ... Diagnosis #Algorithm #hematology
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... syndrome (ST-HUS ... anemia" • HELLP syndrome ... #schistocytes #differential ... #diagnosis #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) - HELLP syndrome ... uremic syndrome ... spherocytosis) • Infections ... Extravascular #Causes #differential ... #diagnosis #hematology
Causes of Hemolytic Anemia - Differential Diagnosis
Inherited
 • Membrane
 • Internal
    - Hemoglobin
Causes of Hemolytic ... Anemia - Differential ... Internal - Infectious ... #Anemia #Differential ... Diagnosis #Causes #hematology
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - Differential ... Diagnosis Table ... #Diagnosis #Table ... #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Intravascular Hemolysis ... - Differential ... circulation - Infections ... Extravascular #Differential ... Algorithm #Causes #Hematology
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary Amenorrhea ... - Differential ... positive progesterone challenge ... Radiation • Infection ... #Differential #
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... → Refer to hematology ... blood loss, Acute hemolysis ... Kawasaki, Nephrotic syndrome ... Diagnosis #Algorithm #hematology
Algorithm for workup of thrombocytopenia based on observation of the peripheral blood film. 
TTP/HUS indicates thrombotic
thrombocytopenic purpura/hemolytic ... uremic syndrome ... thrombocytopenia, Hematology ... #Diagnosis #Differential
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Pancytopenia - Differential ... Wiskott-Aldrich syndrome ... Antibody-mediated hemolysis ... deficiency Infections ... #Diagnosis #Hematology