Infectious diseases

Question 1

Bloody diarrhoea, long incubation period, trophozoites (hot stool)

Answer 1

Amoeibic dysentry

Question 2

Tx: amoebiasis

Answer 2

Metronidazole + diloxanide

Question 3

Painless skin lesion, black eschar, carcasses/wool

Answer 3

Anthrax, can cause GI bleed

Question 4

Tx: anthrax

Answer 4

Ciprofloxacin

Question 5

Middle east + farmer/vet + fever + hepatosplenomegaly

Answer 5

Brucellosis

Question 6

Tx: Brucellosis

Answer 6

Doxycycline and streptomycin

Question 7

Africa/Asia + mosquito + joint pain + fever

Answer 7

Chikungunya. Supportive treatment

Question 8

Rice water diarrhoea, dehydration

Answer 8

Cholera

Question 9

Tx: cholera

Answer 9

Doxycyline, ciprofloxacin, oral rehydration

Question 10

Watery diarrhoea + immunocomp/young child + red cysts on ZN

Answer 10

Cryptosporidiosis

Question 11

Tx: cryptosporidiosis

Answer 11

Supportive if immunocompetent, ART if HIV +, nitazoxanide or rifaximin

Question 12

Fever + retro-orbital headache + bone pain + haemorrhagic features

Answer 12

Dengue, symptomatic treatment only

Question 13

Eastern europe/Asia + sore throat + grey membrane + ‘bull neck’

Answer 13

Diphtheria

Question 14

Diptheria complication

Answer 14

Heart block

Question 15

Tx: diptheria

Answer 15

Antitoxin, IM penicillin

Question 16

Diarrhoea + larva currens + papulovesicular rash buttocks/soles of feet

Answer 16

Stronglyoides

Question 17

Tx: strongyloides

Answer 17

Ivermectin + bendazoles

Question 18

Perianal itching at night

Answer 18

Threadworm (enterobius, vermicularis). Given bendazoles

Question 19

Swimmer’s itch, haematuria, fever/angioedema/eosinophilia

Answer 19

Shistosomiasis

Question 20

Complications of schistosomiasis

Answer 20

Squamous cell bladder cancer

Question 21

Tx: schistosomiasis

Answer 21

Praziquantel

Question 22

Sandflies

Answer 22

Leishmaniasis

Question 23

Tx: cutaneous leishmaniasis

Answer 23

Only if South/Central America (Brazilianis)

Question 24

Fever + hepatosplenomegaly + grey skin + pancytopenia

Answer 24

Visceral leishmaniasis (Kala-azar)

Question 25

Tx : visceral leishmaniasis

Answer 25

amphotericin B

Question 26

Tx: leprosy

Answer 26

rifampicin + dapsone + clofazimine

Question 27

Sewage worker + fever + subcontunctival haemorrhage

Answer 27

Leptospirosis

Question 28

Tx: leptospirosis

Answer 28

Benpen or doxycycline

Question 29

Tx: listeria

Answer 29

Amoxicillin (+gent if meningitis)

Question 30

High fever + bradycardia + jaundice + haematemesis

Answer 30

Yellow fever (mosquitos)

Question 31

VHF + rats + treat with ribavirin

Answer 31

Lassa fever

Question 32

Tx: typhus (rickettsia)

Answer 32

Doxycyline

Question 33

Painless chancre + fever + somnolence/encephalitis

Answer 33

African trypanosomiasis - tsetse fly.

Question 34

Tx: African trypanosomiasis

Answer 34

IV pentamidine IV melarsoprol

Question 35

Myocarditis/dilated cardiomyopathy, megacolon

Answer 35

American trypanosomiasis (Chagas)

Question 36

Tx: Chagas

Answer 36

Benznidazole

Question 37

Tx: shigella

Answer 37

Ciprofloxacin