35 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Abnormal peripheral smear ... • Extrinsic RBC ... • Intrinsic RBC ... Diagnosis #Algorithm #hematology
P. falciparum ring forms on a thin smear

 - Dr. Christina Dean
@deanchr3

#Plasmodium #falciparum #Rings #Smear #Hematology
forms on a thin smear ... falciparum #Rings #Smear ... #Hematology #Microscopy ... #Clinical #Pathology ... #malaria
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... elliptocytosis - RBC ... Infections • Malaria ... Diagnosis #Algorithm #Causes ... #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... • Intrinsic RBC ... • Infections: Malaria ... Extravascular #Causes ... differential #diagnosis #hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Antibody Autoimmune Hemolytic ... ↑ LDH • Anti-RBC ... C3d • Blood smear ... 2) LOOK FOR a cause ... management #treatment #rheumatology
Plasmodium Falciparum Blood Smear.
Key features suggesting Plasmodium falciparum:
- extreme parasitemia
- normocytic RBCs (vivax, ovale prefer big
Falciparum Blood Smear ... multiples per RBC ... P. falciparum causes ... ~75% of human malaria ... #microbiology #malaria
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Infections/toxins: Malaria ... Peripheral Blood Smear ... Urobilinogen #Hemolysis ... Differential #Diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... Peripheral blood smear ... Immune mediated hemolysis ... Malaria, Clostridium ... Diagnosis #Algorithm #causes
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Algorithm Decreased WBCs ... Normal/lncreased WBCs ... Bleed • Hemolysis ... #Hematology
Plasmodium - Identification Algorithm
 • P. falciparum: RINGS AND GAMETOCYTES PREDOMINATE, Small delicate rings, <1/3 size
Multiple rings/RBC ... gametocytes • P. malariae ... Identification #Algorithm #pathology ... #smear #microscopy ... #malaria