79 results
Plasmodium Falciparum Blood Smear.
Key features suggesting Plasmodium falciparum:
- extreme parasitemia
- normocytic RBCs (vivax, ovale prefer big
Falciparum Blood Smear ... P. falciparum causes ... ~75% of human malaria ... rare in blood smears ... #microbiology #malaria
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Dissociation Causes ... • Infectious Causes ... Typhus, Babesiosis, Malaria ... Non-Infectious Causes ... differential #diagnosis #causes
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... , Typhoid fever, ... Typhus, Babesiosis, Malaria ... , Dengue fever, ... #bradycardia #Causes
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
bacteremia • Malaria ... endocarditis, malaria ... • Pyemia Malarial ... Malaria • Lymphoma ... Non-Infectious Causes
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Differential Diagnosis Algorithm ... Peripheral blood smear ... Recent travel/Fevers ... Malaria, Clostridium ... #causes
Faget's Sign & Liebermeister's Rule
Pulse-Temperature Dissociation
EVERY 1 F RISE IN TEMPERATURE -> HR INCREASES 8-10 BPM
INFECTIOUS
BPM INFECTIOUS CAUSES ... Babesiosis • Malaria ... OTHER CAUSES ... There are specific cases ... #differential #causes
Causes of Nausea and Vomiting - Differential Algorithm #Diagnosis #EM #IM #Causes #Nausea #Vomiting #Differential #NonGI
Causes of Nausea ... - Differential Algorithm ... #Diagnosis #EM ... #IM #Causes #Nausea ... Differential #NonGI #Algorithm
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
Causes of Fever ... Differential Diagnosis Algorithm ... Protozoa (eg. malaria ... Differential #Diagnosis #Algorithm ... #causes
Plasmodium - Identification Algorithm
 • P. falciparum: RINGS AND GAMETOCYTES PREDOMINATE, Small delicate rings, <1/3 size
Identification Algorithm ... gametocytes • P. malariae ... Identification #Algorithm ... #pathology #smear ... #microscopy #malaria
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
Fever of Unknown ... Refer to your ‘Fever ... Returning Traveler’ algorithm ... • Travel to malaria–endemic ... Thick and thin smear