324 results
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... Peripheral blood smear ... Immune mediated hemolysis ... Microangiopathic hemolytic ... Malaria, Clostridium
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Infections/toxins: Malaria ... Peripheral Blood Smear ... Urobilinogen #Hemolysis
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 ... LDH Peripheral smear ... Carboxyhemoglobin #Hemolytic ... diagnosis #hematology #hemolysis
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... of anemia and hemolysis ... Abnormal peripheral smear ... Immune-mediated Hemolysis ... • Autoimmune Hemolytic
Fever After International Travel

Infectious Disease:
• Endemic in either the destination or home region

Viral Syndromes:
Arboviral infections, a
No hemolytic anemia ... Most cases of malaria ... • Falciparum malaria ... diagnostic tests for malaria ... chest film; blood-smear
Plasmodium Falciparum Gametocytes on Blood Smear.

Banana-shaped gametocytes are only seen in Plasmodium falciparum but rare in
Gametocytes on Blood Smear ... rare in blood smears ... Falciparum #Blood #Smear ... #microbiology #malaria
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Framework for Hemolysis ... Intravascular Hemolysis ... Microangiopathic hemolytic ... purpura (TTP), Hemolytic ... • Infections: Malaria
Plasmodium Falciparum Blood Smear.
Key features suggesting Plasmodium falciparum:
- extreme parasitemia
- normocytic RBCs (vivax, ovale prefer big
Falciparum Blood Smear ... ~75% of human malaria ... rare in blood smears ... Falciparum #Blood #Smear ... #microbiology #malaria
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Antibody Autoimmune Hemolytic ... reticulocytes • Hemolysis ... C3d • Blood smear ... Antibody #Autoimmune #Hemolytic
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 ... Clinical #Pathology #malaria