ID Flashcards

1
Q

Gram + cocci in chains

A

Streptococcus

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2
Q

Gram positive cocci in grape-like clusters

A

Staph aureus

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3
Q

PCN coverage

A

Gram +

Staph, strep, enterococcus

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4
Q

Augmentin / unasyn

Coverage

A

Gram +
Better gram -
M. Cat, H. Flu, e. Coli, anaerobes

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5
Q

1st gen cephalosporins coverage

Keflex, ancef

A

Gram + cocci
Staph, strep
Some gram - (e coli, anaerobes)

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6
Q

2nd gen cephalosporins

Ceclor, ceftin

A

Broader gram -

H flu, proteus, neisseria, moraxella

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7
Q

3rd gen cephalosporins

Rocephin, ceftazidime, cefixime

A

Better gram -
Broad spectrum
Meningitis, gonorrhea, CAP

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8
Q

4th gen cephalosporins

Cefepime

A

Coverage v pseudomonas

Broad

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9
Q

Carbapenem coverage

A

Broadest of all!

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10
Q

Vanco coverage

A

Gram + only

S aureus, mrsa, s pneumoniae

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11
Q

Bacitracin coverage

A

Gram +

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12
Q

Polymixin coverage

A

Gram -

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13
Q

Macrolide coverage

A

Bacteria w/o cell walls
- and +
Mycoplasma, legionella, chlamydia, strep

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14
Q

Tetracycline coverage

A

Macrolide coverage PLUS

Various animal/insect dz, acne

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15
Q

Clinda coverage

A

Gram +, anaerobes above diaphragm

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16
Q

Aminoglycoside coverage

Gentamicin, tobramycin

A

Gm - ONLY
Common used with PCNs for broad coverage
Tx against pseudomonas

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17
Q

Linezolid coverage

A

Gram + ONLY
MRSA, VRE, enterococcus
Atypicals

18
Q

FQ coverage

A

Depends on drug
Mostly gram neg with cipro being best
Pseudomonas coverage

Levo better for CAP because better for pneumonia

19
Q

Flagyl coverage

A

ONLY for anaerobes/ Protozoa

20
Q

Bactrim coverage

A

Gram - and staph including mrsa

21
Q

Pigeon droppings inhaled in immunocomp patient - new onset of pneumonia, meningitis.
What disease - what special test for diagnosis of this type of meningitis

A

Cryptococcus (fungal)

Need India ink stain with CSF

22
Q

Bird/bat droppings in MS/OH, HIV+ patient, sx of pneumonia

What disease

A

Histoplasmosis (fungal)

23
Q

What is an opportunistic fungal infection that doesn’t respond to antifungals and causes pneumonia like sx?
And what do you treat with?

A

Pneumocystis

Tx with bactrim

24
Q

Puncture wound from raw fish/meat leaves the hand with severe pain, swelling,
*purplish erythema w sharp irregular borders extending peripherally but clearing centrally

A

Erysipeloid

25
Q

Tx for tetanus

A

Flagyl + tetanus immune globulin

26
Q

Disease assoc with rabbits or insect bite
Gives Fever/HA/N and ulceration of a papule with central eschar and tender regional LAD

Disease and treatment?

A

Tularemia

Treat w streptomycin

27
Q

Exposure to farm animals and their products eg wool
Pneumonia and influenza like illness, culture negative endocarditis if chronic

Diagnosis, bacterial species and treatment?

A

Q fever
Coxiella Burnetti
Treat with doxy

28
Q

What’s the name of the malaria bug

A

P falciparum

29
Q

What type of blood testing do you do for malaria

A

Giemsa stain peripheral smear

30
Q

History of tick bite w symptoms

Smear shows PATHOGNOMONIC TETRADS

A

Babesiosis

31
Q

What is the bug in Chagas’ disease

A

Protozoa - trypanosoma cruzi

32
Q

Describe the unique presentation of chagas dz

A

Latin America region

Illness w unilateral Periorbital edema, LAD, bite site
Chronic causes CM, CHF, megacolon/esoph

33
Q

Which disease presents with GI symptoms, then progresses to muscle pain, swelling, weakness, and *palpebral/orbital edema
Will have eosinophilia

A

Trichinosis

34
Q

History of tick bite w symptoms

Peripheral buffy coat smear shows morulae in WBCs

A

Ehrlichiosis

35
Q

What is the MC cause of encephalitis

A

HSV

36
Q

This disease causes a mono illness and then causes older immunocomp patients to have a reactivation with retinitis and esophagitis, +/- pneumonitis, colitis, encephalitis

A

CMV

37
Q

Only childhood viral exam them that starts on the trunk

A

Roseola

38
Q

“Negri bodies”

A

Rabies

39
Q

Exposure to mouse or rodent dropping -> myalgia, fever, N/V/D
Then sudden respiratory distress, pulm edema, renal failure

A

Hantavirus

40
Q

CREAM of Kawasaki syndrome

A
Conjunctivitis
Rash
Extremity - edema, erythema, desquamation
Adenopathy
Mucous membranes - strawberry tongue
41
Q

HIV Testing:
Screening test
Confirmatory test
Monitoring test

A

Screen with ELISA
Confirm with Western Blot
Monitor with RNA Viral load