infection Flashcards

1
Q

genital herpes vs genital warts

A

herpes - ulcerated and painful

warts - fleshy and protruding

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2
Q

mx of genital warts

A

multiple: topical podophyllum
single: cryotherapy

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3
Q

travellers’ diarrhoea: what points to Giardiasis over E.coli

A

nature of symptoms - bloating and watery diarrhoea

length of illness - Giardiasis has an incubation period of >7 days; E. coli is 12-48 h

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4
Q

features of Chlamydia

A

women: cervicitis (discharge, bleeding), dysuria
men: urethral discharge, dysuria
more common than Gonorrhoea

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5
Q

mx of Chlamydia

A

7 days Doxycycline

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6
Q

HIV with CD4<200

A

provide prophylaxis against PJP - Co-Trimoxazole

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7
Q

which infections is a person susceptible to following splenectomy

A

Haemophilus influenzae

Meningococcus

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8
Q

HIV + homogenous enhancing lesion on CT

A

primary CNS lymphoma

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9
Q

HIV + ring enhancing lesion on CT

A

toxoplasmosis

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10
Q

motile trophozoites on vaginal swab

A

Trichomonas vaginalis

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11
Q

mx of Gonorrhoea

A

IM Ceftriaxone

Oral Cefixime + oral Azithromycin if patient refuses Ceftriaxone

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12
Q

pelvic inflammatory disease mx

A

DMC

Doxycycline + Metronidazole + Ceftriaxone

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13
Q

features of typhoid (Salmonella typhi)

A

abdo pain and distension
constipation
rose spots
relative bradycardia

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14
Q

common causative organism of chronic wound infections

A

Pseudomonas aeruginosa

especially if patients have any degree of immunosuppression

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15
Q

adverse effects of Trimethoprim

A

myelosuppression

tubular dysfunction leading to hyperkalaemia and increased serum creatinine

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16
Q

Chancroid vs genital herpes

A

Chancroid - single painful deep ulcer with painful lymphadenopathy
genital herpes - multiple painful ulcers with painful lymphadenopathy

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17
Q

UTI in pregnancy mx

A

treat even if asymptomatic
avoid Trimethoprim - use Nitrofurantoin
avoid Nitrofurantoin if near term - use Amoxicillin or Cefalexin

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18
Q

mx of Chlamydia in pregnancy

A

Azithromycin or Erythromycin or Amoxicillin

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19
Q

CSF findings in meningitis: bacterial vs viral vs TB

A

bacterial and TB have low glucose and high protein
viral has high glucose and normal/raised protein
TB has raised lymphocytes (30-300)

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20
Q

most common organism found in central line infections

A

Staph epidermidis

21
Q

mx of Legionella pneumonia

A

Clarithromycin

22
Q

ix for genital herpes

A

NAAT (nucleic acid amplification tests)

23
Q

complications of gonorrhoea

A

urethral strictures, epididymitis, salpingitis (hence infertility)
disseminated infection

24
Q

mx of infective exacerbation of COPD

A

Amoxicillin or Doxycycline or Clarithromycin

25
mx of cellulitis
Flucloxacillin | If penicillin allergic - Clarithromycin, Erythromycin (best for pregnancy) or Doxycycline
26
HIV + non-enhancing lesions on CT
progressive multifocal leukoencephalopathy due to JC virus
27
causative organism of meningitis that stains with India ink
Cryptococcus neoformans
28
which causative organisms of gastroenteritis have shortest incubation periods?
Staph aureus | Bacillus cereus
29
mx for MRSA infections
Vancomycin or Teicoplanin or Linezolid
30
mx for sinusitis if ABX are indicated
phenoxymethylpenicillin
31
mx of genital herpes in pregnancy
oral aciclovir | elective C-section if >28 weeks gestation
32
when is PipTaz used for pneumonia?
hospital acquired pneumonia acquired >5 days after admission
33
features of hep A
flu-like symptoms RUQ pain tender hepatomegaly cholestatic LFTs
34
pneumonia that desaturates on exertion
PJP
35
most common causative organism of pyelonephritis
E. coli
36
baseline tests needed before starting anti-TB medications
U&Es LFTs Vision testing FBC
37
genital warts: syphilis vs herpes
Symphysis is silent - no pain | Herpes is heard - pain
38
ABX used for prophylaxis for contacts of meningococcal meningitis
Ciprofloxacin or Rifampicin
39
mx of asymptomatic bacteruria in pregnant woman
urine culture at first antenatal visit immediate 7 days ABX - Nitrofurantoin (avoid at term), Amoxicillin or Cefalexin urine culture as test of cure
40
features of lymphogranuloma venereum
painless ulcer | painful lymphadenopathy
41
most common causative organism of tonsillitis
Streptococcus pyogenes
42
features of infectious mononucleosis (glandular fever)
sore throat, pyrexia and lymphadenopathy - classic triad palatal petechiae splenomegaly
43
live attenuated vaccines | MOOBY
``` MMR Oral typhoid Oral polio BCG Yellow fever ```
44
features of cholera
diarrhoea ('rice' water) hypoglycaemia dehydration
45
mx of contacts of confirmed Chlamydia cases
offer treatment prior to results of investigations
46
what can happen if a child with sickle cell is infected with Parvovirus B19
aplastic anaemia with low reticulocyte count
47
mx of toxoplasmosis in immunocompetent and immunosuppressed patients
immunocompetent - no treatment | immunosuppressed - pyrimethamine and sulphadiazine
48
mx of prostatitis
14 days Ciprofloxacin BD