12 results
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Hemolysis - Differential ... • Sickle cell ... immune-complex hemolytic anemia ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) (e.g. lupus, CLL ... Intrinsic RBC Defects ... #Causes #differential ... #diagnosis #hematology ... #anemia
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
• M > F • Affects ... with no early symptoms ... Physical Exam/Signs ... • Neutropenia, anemia ... Leukemia #diagnosis #workup
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... Consider sickle cell ... Diagnosis #Algorithm #workup ... #hematology #testing
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
of anemia include ... younger pts) Differential ... the RBCs causing intravascular ... : High fevers, chills ... #hematology #diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... pylori test (GI symptoms ... changes), high MCV anemia ... not required in all ... #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
low, tests to detect ... reflection of intravascular ... WBC count and differential ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup ... #Hematology
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... (CN Ill, IV, and ... #headache #signs ... #symptoms #clues ... #differential #
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... age 70 years Symptoms ... Workup: • Complete ... blood count with differential ... Syndromes #diagnosis #hematology
Anemia of Hospitalization - Pathophysiology

Why does the Hgb/Hct drop in the first two days during hospitalization?

Interestingly,
bedrest’s negative effects ... adversely affecting all ... from blood to the extravascular ... phlebotomy/ blood work ... pathophysiology #differential