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Med Micro Block 4 > Endocarditis > Flashcards

Endocarditis Flashcards

1
Q

Endocarditis Clinical

A

Exudative and proliferative inflammation alters endocardium (presence of surface vegetations on surface or w/in endocardium - most common on valves). Slow course with low grade fever, night sweats, weight loss, systemic complaints.

3+ wks fever, new or exacerbated heart murmur, wt loss, vaguely ill

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2
Q

Endocarditis RF

A

42-60 yrs, highest RF = artificial valve, some complex congenital heart defects and repairs

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3
Q

Endocarditis Tx

A

Recommend risk stratification

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4
Q

Staph spp. Clinical

A

Acute infective endocarditis

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5
Q

Staph spp. Char

A

Gram pos cocci in clusters, catalase pos

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6
Q

Staph spp. Aureus

A

Coagulase pos and ferments mannitol

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7
Q

Staph spp. Epidermis

A

Coagulase neg and doesn’t ferment mannitol

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8
Q

Staph spp. Res

A

Humans

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9
Q

Staph spp. Trans

A

Resp droplets, endogenous, fomites

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10
Q

Staph spp. RF

A

Invasive dental procedure, underlying cardiac disease.

IDUs for S Aureus; cath for S epidermis

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11
Q

Staph spp. Diag

A

Blood culture

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12
Q

Viridans Streptococci Clinical

A

Subacute Inf endocarditis; insidious onset

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13
Q

Viridans Streptococci Char

A

Gram pos cocci in chains; lancefield neg; catalase neg

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14
Q

Viridans Streptococci Res

A

Oral flora

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15
Q

Viridans Streptococci RF

A

Invasive dental procedures (number one cause in those with underlying cardiac disease)

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16
Q

Viridans Streptococci Diag

A

Culture

17
Q

Viridans Streptococci VF

A

Dextran based capsule with slime layer (allows attachment)

18
Q

HACEK group members

A

Haemophilus aphrophilus, Actinobacillus spp, cardiobacterium hominis, Eikenella Corrodens, Kingella Kingae

19
Q

HACEK group Clin

A

Insidious Subacute Inf Endocarditis

20
Q

HACEK group Char

A

gram neg rod

21
Q

HACEK group Res

A

Humans - oral flora

22
Q

HACEK group Trans

A

Endogenous

23
Q

HACEK group Diag

A

Culture negative (at least 48 hrs rqrd)

Med Micro Block 4 (15 decks)

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