14 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Reticulocytes • Abnormal peripheral ... smear Immune-mediated ... Matthew Ho, MD PhD ... #Anemias #Differential
Plasmodium Falciparum Gametocytes on Blood Smear.

Banana-shaped gametocytes are only seen in Plasmodium falciparum but rare in
Gametocytes on Blood Smear ... Rich Davis, PhD, ... #peripheral #clinical ... #microscopy #microbiology ... #malaria
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... Hereditary: • Peripheral ... blood smear + DAT ... Malaria, Clostridium ... #Anemia #Differential
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 Analysis ... Microangiopathic hemolytic ... #Blood #Smear # ... Analysis #hematology #microscopy
Plasmodium Falciparum Blood Smear.
Key features suggesting Plasmodium falciparum:
- extreme parasitemia
- normocytic RBCs (vivax, ovale prefer big
~75% of human malaria ... Rich Davis, PhD, ... #peripheral #clinical ... #microscopy #microbiology ... #malaria
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
Peripheral blood ... (black arrow) Peripheral ... smear changes are ... #Pathology #Smear ... #Microscopy
Streptobacillus moniliformis on peripheral smear and culture microscopy
 - blood culture; patient w/ outdoor exposure
 -
moniliformis on peripheral ... smear and culture ... culture; patient ... Rich Davis, PhD, ... moniliformis #blood #smear
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Infections/toxins: Malaria ... Defects: Sickle cell anemia ... Dehydrogenase ↑ - Peripheral ... Blood Smear ↑ abnormal
Plasmodium falciparum trophozoites (and crenated red blood cells) - Blood Smear

A classic presentation of Plasmodium falciparum
cells) - Blood Smear ... Plasmodium falciparum malaria ... Rich Davis, PhD ... #peripheral #clinical ... #microscopy #malaria
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
Pancytopenia - Differential ... BMP, uric acid, peripheral ... smear, reticulocyte ... ↑ Destruction (hemolysis ... Matthew Ho, MD PhD