11 results
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
Laboratory Testing in Hemolytic ... Extravascular Hemolysis ... bilirubin LDH Peripheral ... smear Haptoglobin ... #hemolysis
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Reticulocytes • Abnormal peripheral ... smear Immune-mediated ... Hemolysis: • ... Diagnosis #Algorithm #hematology
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
microangiopathic hemolytic ... Microangiopathic hemolytic ... microangiopathic #hemolytic ... #Pathology #Smear ... #Microscopy
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
Peripheral Blood ... Microangiopathic hemolytic ... Microspherocytes: Autoimmune hemolytic ... Analysis #hematology ... #microscopy #interpretation
How to distinguish a metamyelocyte from a band neutrophil.

- Kyle Bradley, MD
@KyleBradleyMD

#Clinical #Pathology #Microscopy #Blood #Smear
KyleBradleyMD #Clinical #Pathology ... #Microscopy #Blood ... #Smear #Peripheral ... #Neutrophils #Comparison
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Malaria, Babesiosis, Bartonella ... Dehydrogenase ↑ - Peripheral ... Blood Smear ↑ abnormal ... Urobilinogen #Hemolysis
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
hemorrhage and hemolysis ... intravascular hemolysis ... blood smear - Shows ... out an immune hemolytic ... the severity of hemolysis
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
BMP, uric acid, peripheral ... smear, reticulocyte ... ↑ Destruction (hemolysis ... Diagnosis #Algorithm #hematology
Oroya Fever
Hematologic disease caused by Bartonella bacilliformis
Restricted to the Andes highlands of Peru & Ecuador
B. bacilliformis:
Oroya Fever Hematologic ... disease caused by Bartonella ... lysis → severe hemolytic ... • Acute phase: Peripheral ... smear - Cocci &
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Diagnosis Algorithm Peripheral ... Smear concerning ... → Refer to hematology ... • Nonmalignant hematologic ... blood loss, Acute hemolysis