43 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
LDH Peripheral smear ... Laboratory #Testing #workup ... #diagnosis #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Peripheral Smear ... → Refer to hematology ... for workup, including ... • Infections: Chronic ... #Algorithm #hematology
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
- Differential Diagnosis ... /uL Initial Workup ... acid, peripheral smear ... #Algorithm #hematology ... #workup
Initial triage of the neutropenic adult - Algorithm for the evaluation and treatment of adult patients
evaluation and treatment ... neutropenia #Algorithm #workup ... #diagnosis #hematology
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Underproduction Diagnostic ... - Anemia of chronic ... - Anemia of chronic ... Underproduction #Algorithm #hematology ... #workup
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential Diagnosis ... Polycythemia Vera • Chronic ... : • Acute or Chronic ... effect following treatment ... Algorithm #Causes #Hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential Diagnosis ... Normochromic RBCs on Smear ... • Chronic Bleed ... Spherocytes on Smear ... Algorithm #Causes #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... and Workup History ... (CVID, WAS), (neurologic ... #Causes #Workup ... #hematology
Interpretation of Hepatitis B Serologies 
HBsAg - HBcAb (total) - HBcAb (IgM) - HBsAb
Susceptible to HBV
Immune
vaccine Acute HBV Chronic ... vs "Low level" chronic ... HepBVirus #Serologies #serology ... #diagnosis #hepatology
Hepatitis B Virus Serology and Interpretation
HBsAg - Anti-HBs - Anti-HBc - HBeAg - Anti-HBe
 - Acute
Hepatitis B Virus Serology ... hepatitis B - Chronic ... HBeAg-negative chronic ... Interpretation #diagnosis ... #laboratory #hepatology