Travel Medicine Flashcards
Describe the treatment options for giardiasis.
Metronidazole OR albendazole
What is the most common cause of traveler’s diarrhea?
E-coli
How is E-coli traveler’s diarrhea typically treated?
Supportive care (fluid replacement)
What are the differences in the incubation periods between giardiasis and E-coli infections acquired during travel?
Giardiasis has a long incubation period (manifestations after 1-2 weeks), while E-coli has a short incubation period (manifestations after 1-2 days)
Describe the diagnosis and treatment for dengue fever in a patient who recently returned from Thailand.
Diagnosis: Dengue fever; Treatment: Supportive care
What are the diagnostic differences between malaria and dengue fever in a patient who recently returned from Thailand?
Malaria shows normal platelets, low RBCs; Dengue fever shows decreased platelets and has rash
What is the most important investigation for diagnosing malaria?
Thick and thin blood film
What is the recommended first-line prophylactic treatment for malaria?
Doxycycline
What is the drug of choice for malaria prophylaxis in pregnancy?
Not provided
Describe the most common complication of malaria in pregnancy.
Low birth weight
What is the most common cause of low birth weight?
Smoking
What is the most common cause of teratogenicity?
Alcohol
What is the likely diagnosis for a patient who returned from Thailand and develops bloody diarrhea?
Entamoeba histolytica
What is the likely diagnosis for a young patient with a prolonged history of bloody diarrhea?
Ulcerative colitis
What is the likely diagnosis for a patient who returned from Thailand with bloody diarrhea followed by fever and RUQ pain one month later?
Amoebic liver abscess
What is the likely diagnosis for a patient with a prolonged history of gallbladder disease presenting with fever and RUQ pain?
Acute cholecystitis
What is the likely diagnosis for a patient with a prolonged history of gallbladder disease presenting with fever, RUQ pain, and jaundice?
Acute cholangitis
What are the common symptoms shared between amebic liver abscess and clonorchiasis?
Fever, jaundice, and right upper quadrant pain
What is the difference in symptom presentation between amebic liver abscess and clonorchiasis?
Amebic abscess presents with gastrointestinal symptoms first, then hepatic symptoms; Clonorchiasis presents with hepatic symptoms only
What is the investigation of choice for typhoid fever during the first week of illness?
Blood culture
If blood culture is positive in the first week of suspected typhoid fever, what is the next step?
It is the investigation of choice
What is the investigation of choice for typhoid fever during the second week of illness?
Stool culture
What is the investigation of choice for typhoid fever during the third week of illness?
Urine culture
If a stool culture for suspected typhoid fever is negative, what is the next step?
Blood culture
