15 results
Plasmodium Falciparum Blood Smear.
Key features suggesting Plasmodium falciparum:
- extreme parasitemia
- normocytic RBCs (vivax, ovale prefer big
Falciparum Blood Smear ... parasitemia - normocytic RBCs ... multiples per RBC ... ~75% of human malaria ... #microbiology #malaria
Red Blood Cell Morphology Atlas

Size variation, Hemoglobin distribution,  
Hypochromia,  
Shape variation,  
Inclusions, 
Red
#Diagnosis #Path ... #Blood #Smear # ... RBC #Morphology
Plasmodium - Identification Algorithm
 • P. falciparum: RINGS AND GAMETOCYTES PREDOMINATE, Small delicate rings, <1/3 size
rings, <1/3 size RBC ... Multiple rings/RBC ... gametocytes • P. malariae ... Algorithm #pathology #smear ... #microscopy #malaria
Red cell autoagglutination is the process whereby red cells clump together forming aggregates. This is seen
red blood cells (RBCs ... serum due to the RBCs ... #Clinical #Path ... #Blood #Smear #Microscopy ... #RBC #Autoagglutination
Red cell autoagglutination is the process whereby red cells clump together forming aggregates. This is seen
red blood cells (RBCs ... serum due to the RBCs ... #Clinical #Path ... #Blood #Smear #Microscopy ... #RBC #Autoagglutination
A normal peripheral blood smear indicates the appropriate appearance of red blood cells, with a zone
peripheral blood smear ... the size of the RBC ... #Clinical #Path
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
2) External (RBC ... 3) Internal (RBC ... Infections/toxins: Malaria ... Peripheral Blood Smear ... ↑ abnormal RBCs
Codocytes (Target cells) - Two target cells are seen in the left photo and one in
photo are a Howell-Jolly ... #Clinical #Path ... BloodSmear #Blood #Smear
Plasmodium vivax on peripheral smear
A college student presents w/ headache, fever, chills. Returned 2 days ago
on peripheral smear ... enlarged infected rbc ... patient Infected RBCs ... PlasmodiumVivax #pvivax #malaria ... #peripheral #smear
Howell-Jolly Body - On these Wright-stained peripheral blood smears the small dark spheres within red cells
Howell-Jolly Body ... peripheral blood smears ... cells are Howell-Jolly ... #Clinical #Path ... BloodSmear #Blood #Smear