14 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Reticulocytes • Abnormal peripheral ... smear Immune-mediated ... Anemias (AHAs) ... Matthew Ho, MD PhD
Laboratory Testing in Hemolytic Anemia

Intravascular vs Extravascular Hemolysis
Reticulocytes
Unconjugated bilirubin
LDH
Peripheral smear
Haptoglobin
Urine hemosiderin
Urine hemoglobin
Carboxyhemoglobin

#Hemolytic #Anemia #Laboratory #Testing #workup
Anemia Intravascular ... bilirubin LDH Peripheral ... smear Haptoglobin ... #Anemia #Laboratory ... #Testing #workup
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
Peripheral Blood ... Smear Analysis ... DIC, TTP, HUS) ... #Blood #Smear # ... Analysis #hematology #microscopy
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... Differential Diagnosis Algorithm ... Hereditary: • Peripheral ... blood smear + DAT ... anemia (TTP, HUS
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
Peripheral blood ... (black arrow) Peripheral ... smear changes are ... #Pathology #Smear ... #Microscopy
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
12-13 g/dL, • ANC ... BMP, uric acid, peripheral ... smear, reticulocyte ... ↑ Destruction (hemolysis ... Matthew Ho, MD PhD
Atypical HUS - Hemolytic Uremic Syndrome
Unlike typical HUS, which is shigatoxin mediated, aHUS is not typically
Atypical HUS - Hemolytic ... still present with anemia ... schistocytes on peripheral ... smear, and obtain ... #aHUS #Hemolytic
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
Algorithm for the ... by ordering a peripheral ... smear, a reticulocyte ... serum level for all ... Hemorrhage or hemolysis
A 37-year-old woman initially presented with pancytopenia and found to have leukopenia (2.1 × 103/μL) with
promyelocytes, anemia ... treatment, her peripheral ... blood smear showed ... BloodSmear #Blood #Smear ... #Microscopy #Auer
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... - MAHA: TTP, HUS ... Defects: Sickle cell anemia ... Dehydrogenase ↑ - Peripheral ... Blood Smear ↑ abnormal