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CSON IM3 > tuberculosis > Flashcards

tuberculosis Flashcards

1
Q

How is TB spread?

A

Mycobacterium is carried through the air in droplets produced when infected person coughs

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2
Q

What does transmission require?

A

close, frequent, and prolonged exposure

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3
Q

Is TB spread through physical contact?

A

No

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4
Q

How long are droplets suspended in the air?

A

Mins-hours

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5
Q

Risk factors for TB (8)

A

-homeless
-inner-city residents
-foreign born
-institutions
-immunosuppressed
-asian descent
-IV drug users
-people in poverty

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6
Q

What is the first sign of TB?

A

fatigue and weakness

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7
Q

What is a late sign of TB?

A

hemoptysis

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8
Q

S/S of TB (9)

A

-fatigue
-anorexia
-weight loss
-night sweats
-low-grade fever
-crackles and diminished lung sounds
-adenopathy
-productive cough
-hemoptysis

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9
Q

What is the first step in diagnosing TB?

A

PPD test

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10
Q

What is a positive PPD test in a immunosupresed person?

A

5 or more

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11
Q

What is a positive PPD test in a high risk person?

A

10 or more

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12
Q

What is a positive PPD test in a healthy person?

A

15 or more

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13
Q

What is the second step in diagnosing TB?

A

a chest X-ray

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14
Q

What is the third step in diagnosing TB?

A

A sputum culture

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15
Q

When should you take a sputum culture?

A

first thing in the morning, before any antibiotics

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16
Q

How long does a sputum culture take to come back?

A

up to 8 weeks

17
Q

How long is a pt contagious for after starting antibiotics?

A

2-3 weeks

18
Q

How long does it take to show TB symptoms?

A

up to 8 weeks

19
Q

How long does it take to treat TB?

A

6-9 months

20
Q

What organ is TB hard on?

A

the lungs

21
Q

What organ is TB medications hard on?

A

The liver

CSON IM3 (7 decks)

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