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

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
life threatening level of Pa02
< 60 mmHg
26
asthma patho primary response is from
chronic inflammation from exposure to allergens or irritants
27
asthma first line of drugs
short acting and inhaled steroids
28
asthma - the level of control is determined by the patient's what
current peak flow or FEV1
29
length of oral prednisone tx is how long
about 10 days
30
asthma early phase response includes | 5
1. vascular congestion 2. edema formation 3. production of thick mucus 4. bronchial muscle spasm 5. thickening of airway walls
31
for any classification of asthma, in a "rescue plan" pts are instructed to
take two to four puffs of albuterol every 20 mins 3 times
32
PaCO2 and PaO2 - what is expected during status asthmaticus
elevated co2 | decreased 02
33
PaCO2 life threatening levels
greater than 70 mmHg
34
life threatening asthma s/s | 3
1. too dyspneic to speak 2. perspiring profusely 3. drowsy/confused
35
med that is gold std for mild intermittent and mild persistent asthma
SABA/albuterol
36
asthma - what is unreliable to gauge severity
wheezing
37
chronic episodic inflammatory disorder of airways
asthma
38
what OTC med can cause asthma attack
ibuprofen