ID Flashcards

1
Q

How is girdiasis treated and what complication can occur after treatment?

A

Metronidazole

Lactose intolerance

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2
Q

CURB 65 scoring

A
Confusion
Urea >7
RR > 110
BP systolic <90 or diastolic <60 ??
Aged >65

0 or 1 - oral amox
2 – admit for oral amox + clari
3-5 – admit for iv co-amox

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3
Q

How is aspiration pneumonia treated?

A

IV Cephalosporin + metronidazole

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4
Q

What are symptoms of malaria?

A

Malaise
Myalgia
Headache
N+V

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5
Q

What are signs of malaria?

A

Jaundice
Haemolytic anaemia
Low platelets
Hepatosplenomegaly

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6
Q

How is malaria diagnosed?

A

Thick and thin blood films

Need at least 3 blood samples on 3 diff days to rule out

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7
Q

What are complications of malaria?

A
Hypoglcyaemia
Cerebral malaria – seizures
ARDS
Acute renal failure
DIC
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8
Q

How does amoebiasis present?

A

Amoebiasis can be asymptomatic, cause mild diarrhoea, or severe amoebic dysentry

Amoebic dysentry presents with profuse bloody diarrhoea

If amoebic liver abscess= Fever, RUQ pain

Can also cause colonic abscesses

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9
Q

How is leprosy treated?

A

Triple therapy = rifampicin+dapsone+clofazimine

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10
Q

How does leptospirosis present?

A
Farmers, sewage workers, ppl in water
Red eyes – conjunctivitis
AKI
Hepatitis
Fever
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11
Q

What are late signs of Lyme disease?

A

Heart block
Pericarditis
Facial nerve palsy
Meningitis

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12
Q

What are features of Legionella pneumonia?

A

Dry cough – atypical pneumonia
Deranged LFTs
Low lymphocytes
Low sodium

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13
Q

How is Legionella diagnosed?

A

urinary antigen

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14
Q

What is seen on LP in TB meningitis?

A

Raised protein
low glucose
raised lymph

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15
Q

How long is HIV post-exposure prophylaxis given?

A

4 weeks

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16
Q

Patient with HIV with ring enhancing lesions- what is it and how is it managed?

A

Toxoplasmosis

Treated with Pyrimethamine + Sulphadiazine

17
Q

Patient with HIV with a single lesion with solid enhancement (not ring)- what is it and how is it managed?

A

Primary CNS lymphoma

Management = commence anti-retroviral therapy and whole brain irridation

18
Q

How is CMV retinitis managed?

A

Intraocular Ganciclovir and PO Valganciclovir

19
Q

Profuse bloody diarrhoea + RUQ pain?

A

Amoebic liver abscess

20
Q

Giardiasis

A

x

21
Q

How is latent TB treated?

A

Isonaizid (with Pyridoxine) for 6 months

22
Q

What is LGV?

A

Caused by chlamydia trachoma’s
However majority of patients will be HIV positive
Stage 1 = small painless ulcer
Stage 2 = painful inguinal lymphadenopathy
Stage 3 = Proctocolitis = Bloody bowel movements, rectal bleeding, abode pain, rectal pain

23
Q

How to manage Jarisch-Herxheimer reaction?

A

Paracetamol

24
Q

What are options for malaria prophylaxis?

A

Doxycycline

Mefloquine

25
Q

What is schistosomiasis and how does it present? How is it managed?

A

Parasitic flatworm infection
Enters from water - from freshwater swimming

Initially presents with a swimmer’s itch
Can then lead to hepatosplenomegaly, RUQ pain
Chronic = haematuria + dysuria

Management = praziquantel

26
Q

Chancroid vs. Chancre vs. LGV

A

Chancroid = painless ulcer, painless lymphadenopathy

Chancre= painful ulcer, painful lymphadenopathy

LGV= painless ulcer, painful lymphadenopathy

27
Q

Chagas disease

A

x

28
Q

How is leptospirosis managed?

A

Benzylpenicillin or Doxycycline

29
Q

What is the incubation period of Salmonella and E.coli?

A

24-48 hrs

30
Q

Which causes of gastroenteritis have an incubation period of more than 7 days?

A

Giardiasis

Amoebiasis

31
Q

What is lymphogranuloma vereneum and how does it present?

A

Caused by chlamydia trachoma’s
However majority of patients will be HIV positive
Stage 1 = small painless ulcer
Stage 2 = painful inguinal lymphadenopathy
Stage 3 = Proctocolitis = Bloody bowel movements, rectal bleeding, abode pain, rectal pain

32
Q

How does tetanus present? How is it managed?

A
Prodrome of fever, lethargy and headache
Trismus (lock jaw)
Risus sardonicus - muscles look like patient is grinning
Spasms
Arched back+hyperextended neck

Management = Metronidazole + supportive therapy.

33
Q

How many tetanus doses are given in the UK vaccination schedule and when is the last one given?

A

5 doses, last one at around 13-18 years of age.

34
Q

Who needs a tetanus booster? Who needs a tetanus booster AND tetanus immunoglobulin?

A

If last dose <10 yrs = no management needed

Full course but last dose <10 years ago..
Tetanus prone = booster
High risk = booster + immunoglobulins

Vaccine history incomplete/unknown
Everyone = booster
Tetanus prone/high risk = booster + immunoglobulin

35
Q

What is dengue fever and how does it present?

A

Viral infection spread by mosquito

Retro-orbital headache
Fever
Maculopapualar rash
Fasting flushing
Myalgia

usually mild and self limiting.

36
Q

How can severe dengue fever present?

A

Can cause thrombocytopenia (low platelets)
Spontaneous Bleeding

Still treated supportively - blood transfusions and fluids

37
Q

What is typhoid fever and how does it present?

A

Bacterial infection caused by salmonella typhi - spread faeco-orally

Causes systemic upset
Relative bradycardia
Rose spot rash
Constipation is more common than diarrhoea in early stages

38
Q

How is typhoid fever managed?

A

Ciprofloxacin