3014 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 ... > 21 days: malaria
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
 •
• Peripheral blood ... Malaria, Clostridium
Black and Bloody Stools - Melena and Hematochezia
Melena - Refers to passage of black, tarry (sticky
Black and Bloody ... Occult blood tests ... least 60 mL of blood ... transit is slow, blood ... Red Blood in the
Trousseau's Sign of Hypocalcemia on Physical Exam

Trousseau's sign in hypocalcemia is elicited in when the hand
posture when a blood ... endocrinology #clinical #video
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 ... Ruptured oocyst #Malaria
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Infections/toxins: Malaria ... - Peripheral Blood
Portosystemic collaterals in Cirrhosis

Milking abdominal veins demonstrates centrifugal blood flow in caput medusae.

Dr. Boby Varkey Maramattom
demonstrates centrifugal blood ... medusae #clinical #video
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 ... #Diagnosis #Malaria