ID Flashcards

1
Q

Meds that ⬆️ or ⬇️ metabolism of transplant meds like cyclosporine or tacro

A

⬆️ metabolism (low levels)
- phenobarb. - fospheny
- carbamazepine - rifampin

⬇️metabolism (higher levels)
- abx: clarithro, azithro
- nifedipine, verapamil
- methylpred

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2
Q

Organisms causing sinusitis

A

Strep pneumo-
H flu, nontypeable
M Catarrhalis

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3
Q

Organisms causing AOM

A

Strep pneumo
H flu, nontypeable
M catarrhalis

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4
Q

Causes of exudative pharyngitis

A

Group a strep
Adeno viruses
Epstein-Barr virus
C diphteria
N Gonorrhea

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5
Q

DDX for acute bacterial sinusitis

A

Mucopurulent rhinitis
Allergic rhinitis
Pharyngitis
Nasal foreign body
Adenoiditis
Poor dental hygiene

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6
Q

Viral causes of myocarditis
Viral causes of endocarditis
Viral causes of pericarditis

A

Myo: Enteroviruses, Adenoviruses, influenza, CMV, EBV
Endo: none
Peri: enteroviruses

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7
Q

Bacterial causes of
Endocarditis
Myocarditis
Pericarditis

A

Endocarditis: Strep viridans, strep pneumonia, enterococcus, Staph CONS, gram-negative bacilli
Myocarditis: Staph aureus, salmonella, borrelia burgdorferi [lyme], N meningitidis,
Pericarditis: S aureus, N meningitidis, strep pneumo

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8
Q

Endocarditis: Symptoms,signs And lab findings

A

Symptoms: fever, malaise, anorexia/weight loss, arthralgias
Signs: fever, petechiae, splenomegaly, new or changed murmur, Embolic phenomenal, heart failure
Lab: positive blood culture, ESR, anemia, hematuria, positive RF, low compliment

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9
Q

Specific physical exam findings of infective endocarditis

A

Petechiae
Splenomegaly
Murmur
Osler nodes: painful, red, nodular lesions on pulp of distal digits
Janeway lesions: small, red, nontender areas on palms and soles
Roth spots: retinal hemorrages w central clearing
Splinter hemorrhages
Conjunctival haemorrhages

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10
Q

Criteria for clinical diagnosis of infective endo carditis
Modified Duke criteria

A

2 major criteria Or
1 major+3 minor
or 5 minor

Major: positive blood culture, evidence of endocardial involvement by echo
Minor: 1) predisposing cardiac condition or history of IVDU, 2) fever > 38, 3) vascular manifestations, 4) immunologic manifestations, 5) microbiological evidence is not including the major criteria

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11
Q

Antibiotic choice for infective endocarditis

A

 Amp Tobra +/- vanco

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12
Q

Pericarditis ECG findings in stages TV

A

Stage one: diffuse ST elevation and PR depression
Stage two: normal lazization of STNPR segments

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