913 results
Fever in the Returning Traveler - History
Exposure History:
 • Street foods / Local water: entenc fever,
Arthropod bites: malaria ... toxoplasmosis • Blood ... : < 7 days: malaria ... 7-21 days: malaria ... Traveler #History #diagnosis
Plasmodium Falciparum Gametocytes on Blood Smear.

Banana-shaped gametocytes are only seen in Plasmodium falciparum but rare in
Gametocytes on Blood ... falciparum but rare in blood ... Plasmodium #Falciparum #Blood ... #microbiology #malaria
Plasmodium Falciparum Blood Smear.
Key features suggesting Plasmodium falciparum:
- extreme parasitemia
- normocytic RBCs (vivax, ovale prefer big
Plasmodium Falciparum Blood ... ~75% of human malaria ... P.f. but rare in blood ... Plasmodium #Falciparum #Blood ... #microbiology #malaria
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
- Differential Diagnosis ... • Peripheral blood ... Malaria, Clostridium ... #Differential #Diagnosis
Malaria - Plasmodium Life Cycle
1) Mosquito takes a blood meal (injects sporozoites)
Human Liver Stages
2) Infected liver
Malaria - Plasmodium ... Mosquito takes a blood ... schizont 5) Human Blood ... Mosquito takes a blood ... Plasmodium #lifecycle #diagnosis
Malaria in Returning Travelers

Signs and Symptoms for Malaria with Likelihood Ratios 

Does this patient have malaria?
Malaria in Returning ... and Symptoms for Malaria ... this patient have malaria ... pubmed/21057136 #Diagnosis ... #Malaria #LRs #
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
- Differential Diagnosis ... Infections/toxins: Malaria ... - Peripheral Blood ... #Differential #Diagnosis
Differential Diagnosis of Fever and Splenomegaly
 - Typhoid
 - Infective endocarditis
 - Miliary tuberculosis
 - Hodgkin
Differential Diagnosis ... endocarditis - Miliary ... #Differential #Diagnosis
Hemothorax on Lung POCUS with Spine Sign

GSW to left chest.  Perisplenic window focusing on lower
Hemothorax on Lung POCUS ... Diagnosis? ... area of clotted blood ... Note that clotted blood ... Hemothorax #Lung #POCUS
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... Radiology • Miliary ... Differential Diagnosis ... of Miliary Opacities ... #differential #diagnosis