wk 2 asthma ppt/1 Flashcards

1
Q

acute asthma episode can cause

A

respiratory distress

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2
Q

is asthma reversible

A

yes

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3
Q

_____ inhibitors are also used for asthmatics

A

leukotrienes

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4
Q

s/s of hypoxemia

6

A
  1. restlessness
  2. increased anxiety
  3. inappropriate behavior
  4. increase PR
  5. increased BP
  6. pulse paradoxus (low SBP during inspriation)
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5
Q

I/E ratios of asthma

3

A

1: 2
1: 3
1: 4

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6
Q

most effective for inflammation from persistent asthma

A

ICSs/fluticasone

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7
Q

asthma - what is effective in treating inflammation

A

corticosteroids

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8
Q

drugs to open airways

A

bronchodilators

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9
Q

acute asthma episode severity is measured with

A

flow rates

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10
Q

intermittent asthma drugs step 1

A

SABA as needed

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11
Q

asthma late phase

A

occurs within 4-10 hours after attack

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12
Q

asthma dx studies

9

A
  1. detailed H&P
  2. pulmonary function tests
  3. peak flow monitoring
  4. chest x ray
  5. ABGs
  6. oximetry
  7. allergy testing
  8. blood levels of eosinophils
  9. culture
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13
Q

SABA ex

A

albuterol

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14
Q

asthma patho - inflammatory mediators cause

A

early phase response

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15
Q

classification of asthma

4

A
  1. mild intermittent
  2. mild persistent
  3. moderate persistent
  4. severe persistent
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16
Q

asthma causes airway what

A

hyperresponsiveness leading to wheezing, breathlessness, chest tightness, and cough

17
Q

s/s of asthma in early stages

A

persistent cough

18
Q

asthma severe acute attack

3

A
  1. RR >30
  2. PR >120
  3. PEFR is 40% at best
19
Q

asthma

A

chronic episodic inflammatory disorder of airways

20
Q

asthma percussion of lungs

A

hyperresonance

21
Q

drugs to reduce inflammatory response

A

steroids

22
Q

severe exacerbation treatment

3

A
  1. three treatments of SABA spaced 20-30 mins apart
  2. IV steroids every 4-6 hours
  3. IV mag sulfate as bronchodilator
23
Q

asthma - what narrows the airways

3

A
  1. bronchospasm
  2. edema
  3. mucus in narrow airways
24
Q

cough variant asthma

2

A
  1. cough is only s/s

2. bronchospasm is not severe enough to cause airflow obstruction

25
Q

life threatening level of Pa02

A

< 60 mmHg

26
Q

asthma patho primary response is from

A

chronic inflammation from exposure to allergens or irritants

27
Q

asthma first line of drugs

A

short acting and inhaled steroids

28
Q

asthma - the level of control is determined by the patient’s what

A

current peak flow or FEV1

29
Q

length of oral prednisone tx is how long

A

about 10 days

30
Q

asthma early phase response includes

5

A
  1. vascular congestion
  2. edema formation
  3. production of thick mucus
  4. bronchial muscle spasm
  5. thickening of airway walls
31
Q

for any classification of asthma, in a “rescue plan” pts are instructed to

A

take two to four puffs of albuterol every 20 mins 3 times

32
Q

PaCO2 and PaO2 - what is expected during status asthmaticus

A

elevated co2

decreased 02

33
Q

PaCO2 life threatening levels

A

greater than 70 mmHg

34
Q

life threatening asthma s/s

3

A
  1. too dyspneic to speak
  2. perspiring profusely
  3. drowsy/confused
35
Q

med that is gold std for mild intermittent and mild persistent asthma

A

SABA/albuterol

36
Q

asthma - what is unreliable to gauge severity

A

wheezing

37
Q

chronic episodic inflammatory disorder of airways

A

asthma

38
Q

what OTC med can cause asthma attack

A

ibuprofen