23 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
- Differential ... Extrinsic RBC Defects ... : Membrane defects ... #Anemias #Differential ... Diagnosis #Algorithm #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
- Differential ... Abnormal Hgb & Hgb Defects ... Hgb - Membrane Defects ... Extravascular #Differential ... Algorithm #Causes #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Framework for Hemolysis ... Intrinsic RBC Defects ... thalassemias), Membrane defects ... Extravascular #Causes #differential ... #diagnosis #hematology
Relative Afferent Pupillary Defect

Dr. Felipe Duarte Augusto @semiologianeurologica

#RAPD #Relative #Afferent #Pupillary #Defect #Neurology #Clinical #Video #Pupils
Relative Afferent ... Pupillary Defect ... Afferent #Pupillary #Defect ... #Neurology #Clinical ... Video #Pupils #PhysicalExam
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - Differential ... AIHA (7-8%) DAT-negative ... #Autoimmune #Hemolytic ... Diagnosis #Table #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... , Other enzyme defects ... #Anemia #Differential ... Algorithm #workup #hematology
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
in Autoimmune Hemolysis ... DAT Negative Hemolysis ... BrighamChiefs #direct ... DAT #Autoimmune #Hemolysis ... #hematology #diagnosis
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... - Hemoglobin Defects ... Urobilinogen #Hemolysis ... #Differential # ... Diagnosis #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
low, tests to detect ... platelet number Direct ... antiglobulin tests - Negative ... WBC count and differential ... Diagnosis #Workup #Hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... for Hemolytic Anemia ... • Membrane defects ... #Anemia #Differential ... classification #hematology