ID Flashcards

(41 cards)

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

25
Tx for tetanus
Flagyl + tetanus immune globulin
26
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?
Tularemia | Treat w streptomycin
27
Exposure to farm animals and their products eg wool Pneumonia and influenza like illness, culture negative endocarditis if chronic Diagnosis, bacterial species and treatment?
Q fever Coxiella Burnetti Treat with doxy
28
What’s the name of the malaria bug
P falciparum
29
What type of blood testing do you do for malaria
Giemsa stain peripheral smear
30
History of tick bite w symptoms | Smear shows PATHOGNOMONIC TETRADS
Babesiosis
31
What is the bug in Chagas’ disease
Protozoa - trypanosoma cruzi
32
Describe the unique presentation of chagas dz
Latin America region Illness w unilateral Periorbital edema, LAD, bite site Chronic causes CM, CHF, megacolon/esoph
33
Which disease presents with GI symptoms, then progresses to muscle pain, swelling, weakness, and *palpebral/orbital edema Will have eosinophilia
Trichinosis
34
History of tick bite w symptoms | Peripheral buffy coat smear shows morulae in WBCs
Ehrlichiosis
35
What is the MC cause of encephalitis
HSV
36
This disease causes a mono illness and then causes older immunocomp patients to have a reactivation with retinitis and esophagitis, +/- pneumonitis, colitis, encephalitis
CMV
37
Only childhood viral exam them that starts on the trunk
Roseola
38
“Negri bodies”
Rabies
39
Exposure to mouse or rodent dropping -> myalgia, fever, N/V/D Then sudden respiratory distress, pulm edema, renal failure
Hantavirus
40
CREAM of Kawasaki syndrome
``` Conjunctivitis Rash Extremity - edema, erythema, desquamation Adenopathy Mucous membranes - strawberry tongue ```
41
HIV Testing: Screening test Confirmatory test Monitoring test
Screen with ELISA Confirm with Western Blot Monitor with RNA Viral load