W05_08 Fever in the returned traveller

Question 1

a febrile traveller presents in the office. what is the most important infection to rule out?

Answer 1

MALARIA!

Question 2

fever is highest from travels to which part of the world?

Answer 2

subsaharan africa

Question 3

dermatologic issues is highest from travels to which part of the world?

Answer 3

caribbean and south america

Question 4

acute diarrhea is highest from travels to which part of the world?

Answer 4

south asia

Question 5

chronic diarrhea is highest from travels to which part of the world?

Answer 5

central america

Question 6

what’s the incubation period of dengue fever?

Answer 6

3-5 days. if they have a fever >7 days after their return, it’s NOT dengue! important to know this for exam!

Question 7

what are the 4 common infections post-tropical travel he discussed?

Answer 7

malaria;
dengue fever;
rickettsiosis;
typhoid

Question 8

where is malaria most likely from?

Answer 8

subsaharan africa

Question 9

where is typhoid most likely from?

Answer 9

indian subcontinent

Question 10

where is dengue most likely from?

Answer 10

caribbean/south east asia

Question 11

malaria is passed from which mosquito?

Answer 11

anopheles (night-biting)

Question 12

which is the most dangerous plasmodium species causing malaria?

Answer 12

falciparum - can kill

Question 13

what drug to give for malaria?

Answer 13

malarone;
chloroquine;
artesunate for severe malaria

Question 14

what type of virus causes dengue?

Answer 14

a flavivirus

Question 15

note: dengue gets worse with repeated infections due to allergic response

Answer 15

okay

Question 16

how is typhoid transmitted?

Answer 16

fecal-oral route

Question 17

what type of bacteria is typhoid?

Answer 17

gram-negative bacillus. (salmonella typhi)

Question 18

what is rickettsiosis?

Answer 18

tick-bite fever

Question 19

hallmark of rickettsiosis?

Answer 19

tache noir / eschar

Question 20

highest yield tests to order for a febrile traveller?

Answer 20

malaria thick/thin smears;
blood culture;
CXR

Question 21

travel to s. asia, fever, gram-negative bacilli indicates which infection?

Answer 21

typhoid

Question 22

travel to s. africa, cigarette burn mark, fever indicates which infection?

Answer 22

african tick bite fever

Question 23

travel to caribbean, SE asia, fever resolved in 3d, sore muscles?

Answer 23

dengue