infectious disease

Question 1

Erythema infectiosum (fifth disease/ slapped cheek)

Answer 1

caused by parvovirus B19
Features - red cheecks, mild fever, child

Question 2

aspergillioma XR sign

Answer 2

predisposed by Tb, sarcoid, bronchiectasis, ank spon
XR - cresent air around mass

Question 3

Trichomonas vaginalis

Answer 3

F - strawberry cervix
Mx - oral metro

Question 4

Syphillis Mx

Answer 4

Mx - IM Benpen

Question 5

Chlamydia Mx

Answer 5

Mx - oral Doxy

Question 6

Bloody diarrhoea causes

Answer 6

Shigella, amoebiasis, campylobacter

Question 7

Lyme disaese rash

Answer 7

F - erythema chronicum migrans
Ix - (ELISA) antibodies to Borrelia burgdorferi
Mx - Doxy or Amox, Ceftriaxone if severe

Question 8

campylobacter Mx

Answer 8

Mx - usually self limiting
clarithromycin if severe

Question 9

inactivated vaccine preperations (3)

Answer 9

rabies, hep A, influenza (IM)

Question 10

inactivated toxin vaccine (3)

Answer 10

tetanus, diphtheria, pertussis

Question 11

salmonella
Features
Mx

Answer 11

F - systemically unwell, abdo pain, diarrhoea or constipation, rose spots on trunk (paratyphoid)
Mx - ciprofloxacin

Question 12

Meningococcal meningitis prophylaxis

Answer 12

oral ciprofloxacin

Question 13

pneumonia associations:
staph aureus
klebsiella
legionella

Answer 13

SA - after influenza infection
Kleb - alcoholics
Leg - flu-like symptoms, dry cough, hypoNa

Question 14

behcets disease features (3)

Answer 14

oral ulcer, genital ulcer, uveitis

Question 15

syphillis
cause
feature

Answer 15

Treponema pallidum
painless ulcer (chancre)

Question 16

herpes features

Answer 16

multiple painful genital ulcers, febrile/ unwell

Question 17

chancroid features

Answer 17

Haemophilus ducreyi
unilateral painful ulcers, sharp rugged border
painful lymph nodes

Question 18

Gonorrhoea (gram neg diplococcus) Mx

Answer 18

IM Ceftriaxone

Question 19

Trichomonas vaginalis Fx

Answer 19

yellow/ green frothy discharge
vulvovaginitis
strawberry cervix
pH >4.5
assymptomatic in men - may be urethritis

Question 20

Trichomonas vaginalis Mx

Answer 20

oral metronidazole

Question 21

Genital herpes Mx

Answer 21

oral aciclovir

Question 22

lyme disease Mx

Answer 22

14-21 days oral doxy

Question 23

pregnany lady first trimester UTI Mx

Answer 23

7 days Nitrofurantoin

Question 24

asymptomatic bacturia in pregnant women Mx

Answer 24

nitrofurantoin 7/7

Question 25

HIV Ix

Answer 25

Combination test - HIV p24 antigen and HIV antibody

Question 26

chlamydia Mx

Answer 26

doxycycline

Question 27

Fourniere’s gangrene cause

Answer 27

strep pyogenes (group A B-haemolytic strep)

Question 28

Fragile X syndrome

Answer 28

long face
big testes

Question 29

When to give tetanus Immunoglobulin or vaccine

Answer 29

Fully vaccinated + last vaccine <10yrs ago - not required
Fully vaccinated but last vaccine >10 years ago - Ig and vaccine

Question 30

Tetanus prone wounds

Answer 30

puncture injury in contaminated environment (eg gardening injury)
animal bite/ scratch
wound with sepsis
wounds with foreign bodies
compound fractures

Question 31

typhoid Ix

Answer 31

blood culture

Question 32

Yellow fever Fx (Faget’s sign)

Answer 32

fever with normal/ low pulse rate
often from south america

Question 33

legionella Mx

Answer 33

clarithromycin + rifampicin

Question 34

pneumocystitis carinii pneumonia Mx

Answer 34

co-trimoxazole

Question 35

Fourniers gangrene cause

Answer 35

Strep Pyogenes

Question 36

croup cause

Answer 36

parainfluenza virus