Concepts of Infection I Flashcards

1
Q

What early warning score would indicate sepsis?

A

qSOFA or SIRS >=2

NEWS >=5

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2
Q

How quickly should the sepsis 6 be delivered once sepsis is confirmed?

A

Within 1 hour

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3
Q

What kinds of fluids have been proven to work in treating sepsis?

A

Colloids and crystalloids

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4
Q

How quickly should vasopressors be given when treating sepsis?

A

Within 1-6 hours after onset = vasopressin, epinephrine, norepinephrine

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5
Q

When should culture samples be taken?

A

Ideally before treatment is started

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6
Q

What are some groups that are likely to have abnormal responses to sepsis?

A

Extremes of age, pregnancy, immunosuppressed

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7
Q

What are some infections that can present vaguely and abnormally?

A

Liver abscesses and subacute infective endocarditis

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8
Q

What is the main cause of sepsis in children?

A

Pneumonia

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9
Q

What are the main causes of sepsis in adults?

A

Lung infections and UTIs

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10
Q

What are the sepsis 6?

A

Deliver oxygen, fluids and IV antibiotics

Monitor urine output, measure lactate and take bloods for culture

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11
Q

How many cultures are needed for sepsis?

A

One culture needed = three needed for endocarditis

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12
Q

Why do large abscesses need to be drained?

A

No blood supply = antibiotics don’t penetrate

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13
Q

What kind of bacteria does gentamicin cover?

A

Gram negative bacteria

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14
Q

What are the 4C antibiotics?

A

Co-amoxiclav, cephalosporins, clindamycin, ciprofloxacin

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15
Q

What is the risk associated with the 4C antibiotics?

A

Alter normal gut flora = increase C.diff spread

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16
Q

How does catalase distinguish between staphylococcus and streptococcus?

A

Staphylococcus is catalase positive

Streptococcus is catalase negative

17
Q

How does the coagulase test differentiate different types of staphylococcus?

A

Staph aureus is the only coagulase positive staphylococcus