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DIT weird bacteria Flashcards

1
Q

What is leptospira interrogans?

A

question mark shaped bacteria b/c (INTERROGATEs)

Surfer in tropics (interrogate in point break).

Symptoms: early is flue like symptom and photophobia. THEN WEIL disease: WEILLY Bad. azotemia and liver/kidney dysfunction, fever, hemorrhage

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2
Q

What do you think if you see urine contaminated with urine?

A

Leptospira, hantavirus

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3
Q

Lyme disease mnemonic?

A

FAKE a key LYME pie

Facial nerve paralysis (bilateral)
Arthritis
Kardiac (AV) block
Erythema migrans

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4
Q

Tx for lyme disease? Stage 1 or stage 2 tx?

Late disease?

A

Doxy for early

Stage 3 (years later with subacute encephalitis and stuff is IV ceftriaxone)

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5
Q

Hand and foot rash mnemonic?

A

drive Kawasaki CARS with hands and feet.

Kawasaki
Coxcacki A
RMSF
Syphilis

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6
Q

Tertiary syphilis has what?

A

Gummas: chronic granulomas
Aortitis: tree bark aorta
Tabes dorsalis (sensory ataxia and positive rhomberg)
Argyll robertson (no light constriction but accommodation constriction is there)
Charcot’s joints: damage b/c slamming it into shit b/c pain doesn’t happen

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7
Q

Hutchinson teeth?

A

Weird looking teeth from congenital syphilis.

Treat early.

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8
Q

How do you recognize congenital syphilis in clinic?

A

Snuffles: bloody drips from nose.

Treat it and may prevent outcomes like saber shins, hutch teeth, mulberry molars, saddle nose…

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9
Q

What are VDRL/RPR?

A

Recognize serologic find antibodies in serum.

Can do false positive and confirm with FTA-ABS which is specific

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10
Q

Tx of primary syphilis?

A

Penicillin G, if allergic, use doxy

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11
Q

VDRL false positive?

A

VDRL

Virus
Drugs
Rheum fever
Lupus

Confirmwith FTA-ABS

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12
Q

Bartonella source?

A

cat scratch

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13
Q

Borrelia burgdorferi?

A

Ixodes tick (deer/mice)

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14
Q

Borrelia recurrentis

A

Tick and lice (relapsing fever)

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15
Q

Brucella?

A

undulant fever unpasturized milk

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16
Q

Campylobacter?

A

Pet contaminated fecal oral

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17
Q

Chlamydophila psittaci

A

Pneumonia parrots

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18
Q

Coxiella burnetii

A

Q fever: cattle placenta

19
Q

Ehrlihia chaggeensis

A

Headache and blunt immune symptoms lone star tick

20
Q

Francisella tularensis

A

Ticks and rabits (rabbit eating tulip on test

21
Q

Leptospira interrigans

A

Animal urine

22
Q

Pasteurella

A

cellulitis animal bites

23
Q

Yersinia pestis?

A

prarie dogs and rats fleas

24
Q

What disease might have bell’s palsy? Mnemonic

A

My Lovely Belle Had An STD

Lyme
Herpes Zoster
AIDS
Sarcoid
Tumor
Diabetes
25
Q

What is a ghon complex?

A

Hilar lymph and ghon focus on x ray. Primary Tb

26
Q

Primary tb vs secondary in the lung?

A

Primary is ghon complex in mid lung

Secondary is cavitation with cavitary caseous necrosis in upper lobes and more symptoms

27
Q

What bacteria often goes to back?

A

mycobacterium Tb in pott diseaes in extrapulmonary secondary Tb

Also can ht CNS, lymph, renal, GI, adrenal

28
Q

Mechanism for drug for latent tb? What do you add to reduce toxicity?

A

INH is blocking synth of my colic acid and needs to be actriavatvie by catalase

pyridoxine helps with neuro and hepatotoxicity

Also causes lupus

29
Q

Primary or secondary Tb tx?

A

RIPE

Rifampin
Isoniazid
Pyrazinamide (acidifies lysosomes of macrophage)
Ethambutol (less carb poly of mycobacterium cell wall and optic neuropathy)

30
Q

Two kinds of leprosy? Tx for each?

A

Lepromatous is worse and communicable. Humoral response Th2

Tx: Dapsone, rifampin, clofazimine for 2-5 years

Tuberculoid: Tb some hairless skin plaques and cell0mediated immunity with Th1

Tx: dapsone and rifampin

31
Q

Dapsone toxicity? When is it used?

A

Hemolysis in G6PD

PCP pnuemonia (in addition to TMP SMX)
Lepromatous
32
Q

When is rifampin used?

A

Tb
Leprosy
Meningitis prophylaxis: menigiococcal, H influenzae type B

33
Q

Toxicity of RIPE regiment?

A

basically look out for hepatotoxicities

34
Q

Gardnerella symptoms and tx?

A

Vaginosis: gray discharge and fishy smell Clue cells!

Metronidazole

35
Q

Ricketsia triad and tx?

A

Headache fever and rash

Tx: Doxy

36
Q

Where do ricketsial rashes start?

A

Ricketssia Rickets starts on wrRists and spreads in and includes soles

R typhi stratrts on Trunk and moves out sparing soles (also prowazeki)

37
Q

Difference between endemic typhus and epidemic typhus?

A

Endemic is typhi from fleas

Epidemic is outbreaks from louse (lice) and prowazekii

Both start in central and spread but spare soles/palm

38
Q

What is Q fever? what causes it?

A

Q fever is from Coxiella burnetii and similar to rickets

No rash or vector and is from cow placenta and has spores inhaled as aerosols and causes fever and pneumonia

Tx with doxy

39
Q

What is weil felix reaction?

A

for rickets antibodies. Doesn’t work for Q fever (coxiella burnetii)

40
Q

What is chlamydia psittaci?

A

Pnrumonia from birds that can spread systemically

41
Q

Chlamydia trachomatis A, B and C?

A

Africa Blindness/Chronic infection

42
Q

What is lymphogranuloma venereum? What can it be mistaken for?

A

Painless ulcers on genital that later are painful and ulcerate. Can cause rectal disease and mimic IBD.

Doxy is tx B/c chlamydia

43
Q

What are cold agglutins? How do you treat causing bug?

A

IgM agglutinate or lyse RBC in cold environment

Seen with mycoplasma

Macrolide or doy or fluoroquinolone

44
Q

What is coxiella burnetti?

A

Q fever cause. Cattle placenta and tick shit. Spores releasesd and inhaled

Pneumnia and Q fever is Queer: no rash or vector. No Weil-Felix (ricketsia test)

Boards DIT (43 decks)

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