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Flashcards in ID Deck (56)
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1
Q

Upper extremity weakness, slurred speech, resp failure, visual changes?

Tx?

A

Botulisim

Equine anti-toxin

2
Q

MCC of PNA in CF patients?

A

S aureus

3
Q

HIV dx test order?

A

ELISA –> WB

4
Q

HIV treatment in late pregnancy for pt and baby?

A

AZT (Zidovudine) for both

5
Q

S/E of protease inhibitors —navir?

Idonavir?

A

Lipodystrophy

Idonavir = Crystal nephropathy

6
Q
S/E of Nucleoside/tide reverse transcriptase inhibitors
Zidovudine
Didanosine
Stavudine
Lamivudine
Emtracibine
Abacavir
Tenofovir?
A

BM supp
Nueropathy

Didanosine: Pancreatitis

Abacavir: Hypersensitivity

Tenofovir: renal insuff.

7
Q

S/E of NNRTI?
Efavirenz
Nevirapine

A

Efav: Dreams/hallucinations
Nev: Liver

8
Q

Post HIV exposure PPX?

A

4wks of triple therapy

9
Q

CNS and lung infection in immunosuppressed pt?

Tx?

A

Nocardia (weakly acid fast)

TX: TMP/SMX

10
Q

Hepatosplenomegaly, fever, weight loss, lymphadenopathy, cough, palate ulcers, CXR densities in immunocompromized?

A

Histoplasma

TX: severe = amph B + 1 yr itraconazole

11
Q

PCP presentation?

tx?

A

NON-productive cough in immunosuppressed, bilateral CXR

High dose TMP/SMZ

12
Q

CMV infections in immunocompromised?

A

Retinitis
GI : Diarrhea
Esophageal ulcers (large superficial ulcers)
CNS: encephalitis

13
Q

MAC presentation?

Tx?

A

Fever, weakness, weight loss in HIV not on HAART
Possible Adrenal Insuff.

ELEVATED LDH, and ALP, anemia

Tx: Clarithromycin

14
Q

Malaria dx?

A

Giemsa or Wright stains

15
Q
Malaria-
ppx?
Uncomplicated?
Unknown org?
Severe?
A

ppx: Mefloquine, atovaquone-proguanil

Uncompl: Chloroquine

Unknown: Chlorquine + Primaquine

Severe: +IV Quinidine

16
Q
South central/eastern US
Fevers, chill, myalgias, AMS
NO RASH
Anemia/thrombocytopeina?
Dx?
tx?
A

Erhlichosis

Doxy

(Morula in monocytes)

17
Q

Osteomyelitis after puncture wound?

A

Pseudomonas

18
Q

M/C osteomyelitis without any risk factors?

A

S aureus

19
Q

Pig farm infection?

A

Neurocysticerosis

20
Q

Sheep and Dog vector –> liver cysts?

A

Echinnococcus

21
Q

Supportive tx for measles?

A

Vit A

22
Q

Pseudoappendicitis, bloody diarrhea?

A

C Jejuni

23
Q

Non-bloody travelers diarrhea without fecal leukocytes?

A

Giardia - Rural US
Cryptosporidium - International travel, poor sanitation
Cyclospora (relapsing remitting)

24
Q

Weird indications for Meningcoccus vaccine?

A

Asplenic

Complement deficiency

25
Q

Vaccinations in HIV?

A

Hep A (MSM and IVDA)
HBV (test for immunity)
PCV
Varicella (LIVE OK IF CD4>200)

26
Q

Treatment for human bite wounds?

A

Augmentin

27
Q

Liver abscess + Bloody diarrhea?

tx?

A

Entamoeba histolytica

Metronidazole

28
Q

PPD ranges?

A

5mm - HIV, recent TB, transplant/immunosupp

10mm - healthcare, recent immigrants, IVDA

15mm - everyone else

29
Q

Coverage required for neutropenic fever, unknown origin?

A

Pseudomonas coverage

30
Q

Fever, drooling, dysphagia, submandibular swelling?

Spread?

tx?

A

Ludwig angina = streptcoccus

From infected molar

Penicillin, clinda, metro

31
Q

Bartonella henselae presentation vs. other bacterial lymphadenitis?

A

Cat scratch –> local papule with local node with overlying erythema

Bacterial = No papule

32
Q

Acid staining nocardia vs actinomyces?

A

Nocardia = Partially acid fast

Actino = Not (also is anaerobic)

33
Q

MCC cause of splenic abscess?

A

Spread from endocarditis

34
Q

Babesiosis vs erhlichosis on blood studies?

A

Babesiosis = Hemolysis leukocytosis, Maltese cross

Erhlichosis = Thrombocytopenia/neutropenia, morula

35
Q

Measles vs. Rubella?

A

Measles = HIGH FEVER, Cervical adenopathy

Rubella = ARTHRALGIAS, Posterior auricular adenopathy

36
Q

Raised grey-white lesions of mucous?

A

Condylomata Lata (2nd syphillis)

37
Q

Tb vs. aspiriation PNA on CXR?

A

Tb = upper lobes

Aspiration = lower lobes

38
Q

Vaccines after splenectomy?

A

14 days after!

PCV 13
Meningococcus
HiB

39
Q

Hep C screening risk factors?

A

IVDA

Blood transfusion before 1992

40
Q

Tropical, Polyarthritis, High fevers, thrombocytopenia?

A
Chikungunya
aedes misquito (same as dengue)
41
Q

Diarrhea, hyponatremia, high fever, PNA?

Tx?

A

Legionella

LF

42
Q

Hep A vaccine indication?

A

HBV or HCV
MSM
IVDA

43
Q

+Whiff test?

On smear?

tx?

A

BV

Clue cells

Metro

44
Q

Tx for trich?

A

Metro FOR pt AND PARTNER

45
Q

Hep B and C associated vascular disease?

A

B = Polyarteritis nodosa

C m mixed cryoglobinemia, PCT

46
Q

Hep B exposure tx?

A

ALL GET IVIG

Immediate vaccine if no immunization

47
Q

LFTs in alcoholic vs. infectious hepatitis?

A

Alcoholic = 1000

48
Q

D-xylulose absorption and mechanism for testing for disease?

A

Absorbed in SI
measured in urine – high = good absorption = no SI disease

Low urinary concentration in either SIBO or Celiac

49
Q

Tx for Acute Liver failure in Hep B?

A

Tenofovir

Entecavir

50
Q

Abscess in lung, IVDA

Fast onset?

Slow onset?

A

Fast = Bacterial endocarditis

Slow = Tb

51
Q

Who gets desensitized PCN tx?

Otherwise?

A

Pregnant syphillis or Neurosyphillis + history of severe reaction

2nd line = Doxy

52
Q

Diarrhea 1 wk after food when travelling

Periorbital edema, Muscle pain/damage, eosinophilia 4 wks after?

A

Trichinellosis

tx: mebendazole

53
Q

Lung disease/eosinophilia after ingestion.

Later GI obstruction/malnutrition?

A

Ascariasis

54
Q

Organisms that cause bacterial abscess via
1- hematogenous spread
2- surgical hx?

A

1- s. viridans

2- s aureus

55
Q

Skin INFX lesions that mimic kaposi sarcoma in HIV pt?

A

Bacillary angiomatosis (Bartonella)

56
Q

HUS vs. HSP?

A

HUS = Upper extremity rash

HSP = Lower extremity