Buzz words: Infectious Diseases Flashcards by Tom Gubbin

Rice water stool

Gm –ve

Cholera

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Bloody diarrhoea

Gm –ve

Shigella

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Traveller’s diarrhoea

Enterotoxigenic

E-Coli

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Gm –ve, motile bacilli
Rose spots
Gradual onset

Salmonella typhi

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Gm +ve
Pseudomembranous colitis
White/yellow plaques
Tx: IV metronidazole/vancomycin

C. difficile

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Self-limiting
Hx of poultry or unpasteurised milk
Gm –ve corkscrew/flagella

Campylobacter

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Plague

Gm –ve anaerobe

Yersinia

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Flask-shaped ulcers
Bloody diarrhoea
RUQ pain –> liver abscesses

Enteroamoeba

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Eastern Europe/Russia
Hikers
Foul smelling stools + gas
Cysts and pear shaped trophozoites
Watery diarrhoea
Malabsorption of protein

Giardia

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Reheated rice/Chinese takeway

Sudden vomiting, minimal diarrhoea

B. cereus

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Malaise, mild fever, headache
Muscular aches and pains
A: birds, B: seals, C: pigs

Influenza

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Retrobulbar headache
Rash, facial flushing
RNA virus
Dengue shock syndrome à haemorrhagic
fever

Dengue Fever

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Falciparum – worst
Malaise, headache, D&amp;V
Plasmodium ovale/vivax stay in system
(V&amp;O do not go)
Chloroquinine (old = quinine)

Malaria

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Falciparum – worst
Malaise, headache, D&amp;V
Plasmodium ovale/vivax stay in system
(V&amp;O do not go)
Chloroquinine (old = quinine)

Malaria

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Latent infection
RIPE
Rifampcicin: orange secretions
Isoniazid: peripheral neuropathy, drug
interactions
Pyrazinamid: hepatotoxicity
Ethambutol: optic neuritis (red-green
colour blindness)

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HHV: cold sore/genital

HHV I/II

HHV: varicella zoster (chicken pox/shingles)

HHV III

HHV: EBV, infectious mononucleosis

HHV IV

HHV: CMV, immunocomprimised
Fever, pneumonitis, colitis,
hepatitis, retinitis, CNS

HHV V

HHV: Children (rosida)

HHV VI/VII

HHV: Kaposi’s sarcoma

HHV VIII

Cutaneous: itchy papules, ulcer w raised
edges
Visceral: lymphadenopathy
Mucocutaneous: lips/nose/pharynx
Protazoa
Spread by sandflies

Leishmaniasis

Parasitic worms spread by freshwater snails
“Swimmer’s itch”
Kayama fever: fever, rash, myalgia, diarrhoea, hepatosplenomegaly
Eventually chronic in myenteric veins

Schistosomiasis

Parasitic worms spread by freshwater snails
“Swimmer’s itch”
Kayama fever: fever, rash, myalgia, diarrhoea, hepatosplenomegaly
Eventually chronic in myenteric veins

Schistosomiasis

``` Spread by ticks Rural/woodland areas Erythema migrans, myalgia, fever, headache, malaise Bulls eye appearance ```

Lyme Disease

STI --> septic arthritis

Neisseria Gonnorhoea

Gm –ve Currant jelly sputum Staghorn calculi

Klebsiella

Pneumocystis jivoreci | CD4

PCP (symptoms worse than CXR)

Itchy popular rash | Skin burrows

Scabies

Sardonic smile | Cut on rusty metal

Tetanus

PML AIDS-defining Alien hand

JC Virus

Ring enhancing features on CT

Toxoplasmosis

HIV +ve Dry cough and SOB Normal CXR

Pneumocystis carinii (symptoms worse than CXR)

Low Na, forgetful SOB, muscle cramps Air conditioning unit --> travel

Legionella