501 results
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Normal Blood Smear ... • Drugs Oval ... • Pernicious Anemia ... #Macrocytic #Anemia
Plasmodium Ovale on Blood Smear

Emory_MedMicro @Emory_MedMicro

#Plasmodium #Ovale #povale #Blood #Smear #microscopy #clinical #microbiology #malaria #parasite
Plasmodium Ovale ... on Blood Smear ... #Plasmodium #Ovale ... #povale #Blood ... #Smear #microscopy
Megaloblastic Anemia vs Normal Peripheral Smear

#Megaloblastic #Anemia #Peripheral #Smear #Comparison #Clinical #Hypersegmented #Neutrophil
Megaloblastic Anemia ... Normal Peripheral Smear ... Megaloblastic #Anemia ... #Peripheral #Smear
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Algorithm Signs of anemia ... Abnormal peripheral smear ... Autoimmune Hemolytic Anemias ... #Hemolytic #Anemias
Plasmodium Falciparum Blood Smear.
Key features suggesting Plasmodium falciparum:
- extreme parasitemia
- normocytic RBCs (vivax, ovale prefer big
Falciparum Blood Smear ... normocytic RBCs (vivax, ovale ... rare in blood smears ... Falciparum #Blood #Smear
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
Peripheral Blood Smear ... Megaloblastic Anemia ... Microangiopathic hemolytic anemia ... Autoimmune hemolytic anemia ... Peripheral #Blood #Smear
Plasmodium - Identification Algorithm
 • P. falciparum: RINGS AND GAMETOCYTES PREDOMINATE, Small delicate rings, <1/3 size
merozoites • P. ovale ... size RBC, 1/3 oval ... Algorithm #pathology #smear
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic Anemia ... or negative - Smear ... C3 positive - Smear ... Autoimmune #Hemolytic #Anemia
Dacrocytes (tear drop cells) 
Other poikilocytes resemble a pear or teardrop. The narrow, tapered end
may be
metaplasia, pernicious anemia ... some hemolytic anemias ... BloodSmear #Blood #Smear
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
Testing in Hemolytic Anemia ... LDH Peripheral smear ... #Hemolytic #Anemia