ID Flashcards

1
Q

VERY ITCHY, elevated, serpiginous skin lesions. Contact with sand (dog/cat poop)

A

Cutaneous larva migrans

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2
Q

Pneumonitis and colitis after bone marrow tplant?

A

Think CMV

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3
Q

Comm Acquired pneumonia tx

A

S Pneumo most common. No need for big guns/MRSA coverage. Levaquin has coverage. Cipro DOES NOT

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4
Q

Coccidio tx

A

fluconazole

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5
Q

Pneumonia in intubated pts

A

pseudamonas - tx with antipseudamonal penicllin or cefepime

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6
Q

Immediate post op fever cause?

A

Think malignant hyperthermia, prior infection or blood products rxn

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7
Q

Malaria-like infection in NE USA?

A

Babesia

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8
Q

Amoxicillin staph coverage?

A

NOPE - beta lactamase in staph

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9
Q

4D (days fever), cough, coryza conjunctivitis. Can have arthralgias in older patients. More mild fever

A

Rubella

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10
Q

VERY HIGH fever. Koplik spots. Rash

A

Measles

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11
Q

Tx for crypto meningitis

A

AmphoB and flucytosine

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12
Q

Hemochromatosis has increased risk for what infections?

A

Listeria (also yersina enterocolitica and vibrio vulnificus (iron loving))

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13
Q

Tx for actinomyces

A

PCN sensitive

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14
Q

Tx for nocardia

A

Bactrim

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15
Q

G/C tx

A

Azithro (doxy) and ceftriaxone

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16
Q

Tx for Histo

A

itraconazole

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17
Q

Step on a nail - get osteomyelitis

A

NOT tetanus - pseudamonas

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18
Q

Patients less than 20 y/o with CF and PNA

A

S Aureus more common in younger patients than pseudomonas

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19
Q

Treatment for post-exposure HIV for healthcare workers and stuff

A

Regular HAART - 2-3 drug tx

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20
Q

Cavitary lesion, destruction of underlying pulmonary parenchyma, Moves around with position change

A

aspergilloma

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21
Q

Air fluid level on CXR

A

Lung Abscess

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22
Q

Splenic Abscess

A

Common in infective endocarditis. Tx splenectomy. Can also develop L sided pleural effusion

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23
Q

If patient is so nauseous he cannot tolerate PO, inpatient treatment with IV

A

If patient is so nauseous he cannot tolerate PO, inpatient treatment with IV

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24
Q

Acute bacterial sinusitis can be common post viral. no fever necessary. Tx w abx

A

Acute bacterial sinusitis can be common post viral. no fever necessary. Tx w abx

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25
Q

Tx for HIV/candiasis/esophagitis

A

can treat empirically before endoscopy. Only EGD if unresponsive to tx

26
Q

CMV esophagitis

A

HIV - linear ulcers

27
Q

HSV esophagitis

A

HIV - round/ovoid ulcers. concurrent herpes outbreak

28
Q

Anerobes above the diaphragm

A

Clindamycin

29
Q

UTI with basic pH > 7

A

Proteus Mirabilis

30
Q

How to treat PCP

A

Treat PCP before starting HAART. It has a 100% mortality rate. Tx with IV bactrim and steroids

31
Q

g(-) rod, intracellular. stains poorly.

A

Legionella, tx with levaqiun/azithro

32
Q

AIDS. TM effusion without signs of inflammation

A

Serous OM

33
Q

What virus is associated with primary CNS lymphoma?

A

EBV

34
Q

Skin lesions, bony lytics involvement with pulm nodule/finding

A

Disseminated blasto

35
Q

Rabies vector

A

Raccoons

36
Q

Shaking Chills, cyclical fever in a patient with an endemic area. Anemia and splenomegaly

A

Malaria

37
Q

Polyarthralgia, tenosynovitis, painless vesiculopapular skin lesions

A

Disseminated Gonococcal

38
Q

Skin-colored, verrucous, papilliform lesions around anus and tx?

A

HPV - podophyllin

39
Q

Ecthyma gangrenosum

A

from pseudomonas. in neutropenic patients. necrotic center and surrounding erythema.

40
Q

When do you start HAART (Cd4 of ?)

A

350 or less. If greater make sure patient has pneumovax

41
Q

Bacteremia in Sickle Cell?

A

from s pneumo (asplenia). Salmonella is only Osteomyelitis.

42
Q

PPX for dental procedures in MVP/Bicuspid Aortic/unrepaired cong defects?

A

NOPE. only in high risk valvular defects such as bicuspid aortic vv and unrepaired defects and prosthetic valve

43
Q

back pain, fever with nn findings. Acute onset

A

epidural abscess

44
Q

You must have what kind of infection to get rheumatic fever?

A

GAS PHARYINGITIS - impetigo won’t give you RF (but will give you psgn)

45
Q

HIV drug with AE of wild, vivid dreams?

A

efavirenz

46
Q

Kawasaki vs Scarlet fever

A

Kawasaki has eye and joint sxs. Tx kawasaki with asa and ivig

47
Q

Very high fevers, followed by pink macules and papules on face and trunk? Fever so high may result in febrile sz

A

roseola HHV 6

48
Q

History of drug use presents with fatigue, weight loss, cognitive impairment. Top of ddx?

A

HIV. HIV can cause cognitive impairment. With high risk history - likely dx

49
Q

Chicken pox exposure in immunocompetent patient. How do you treat?

A

Just give vaccine. No reason to also give VZV Ig unless immunocompromised (then give within 10 d of exposure)

50
Q

Immunocomp PNA with gram positive, crooked, beaded, branching, partially acid fast. What org?

A

Think Nocardia. Tx bactrim

51
Q

treatment for cat scratch disease? (B henselae)

A

Azithro

52
Q

suspected sepsis in baby. Whats the first thing you do?

A

LP. Unless fontanelles are mega super bulging, no CT is warranted first.

53
Q

Cutaneous and visceral angioma-like blood vessel growths in immunocomp patients. Large pedunculated exophytic papule with a collarette of scale.

A

Bacillary angiomatosis. Bartonella species. Biopsies of these lesions are prone to hemorrhage.

54
Q

Sepsis following nasal packing, tampon use, post surgery infections. Diffuse erythematous macular rash. Myalgias. dX?

A

Toxic shock syndrome

55
Q

when do you give pneumovax earlier than 65?

A

Adults with COPD, CV, hepatic, renal, pulm, metabolic dz.

56
Q

Adults need Td booster every 10 years. Also need TDaP once in place of Td

A

yes

57
Q

Causes of epidydimitis in eldelry? In young?

A

Elderly: gram neg rods
Young: GC

58
Q

1) Bitten by wild animal - rabies ppx?

2) Bitten by low risk animal - rabies ppx/tx?

A

1) ppx with IVIG and vaccine

2) observe animal for 10 days, no ppx needed right now

59
Q

What parts of the world is malaria resistant to primaquine?

A

Subsaharan Africa, southern and southeast asia, Amazon. So, only the carribbean you can use primaquine? Use mefloquine, atovaquone/proguanil, or doxy in these areas

60
Q

Leukopenia/thrombocytopenia, elevated LFT, febrile illness, tick bite. Dx and tx?

A

erlichoisis and doxy