respiratory failure

Question 1

definition of respiratory failure (2)

Answer 1

1. lung fails to oxygenate arterial blood

2. lung fails to prevent retention of CO2

Question 2

typical causes of acute ventilatory failure

Answer 2

drug OD

Question 3

typical causes of acute oxygenation failure

Answer 3

pneumonia

Question 4

typical causes of chronic ventilatory failure

Answer 4

neuromuscular disease

Question 5

typical causes of chronic oxygenation failuer

Answer 5

pulm fibrosis

Question 6

what is hypoxic respiratory fialure

Answer 6

pAO2 under 60

Question 7

what is hypercapnotic?

Answer 7

pCO2 >50

Question 8

hypoxic respiratory failure is AKA______

Answer 8

type 1 ARF

Question 9

hypercapnic respiratory failure is AKA type____ARF

Answer 9

type 2 ARF

Question 10

what is the Primary reason that ppl get hypoxic?

Answer 10

V/Q mismatch

Question 11

what is the best tool for assessment of respiratory failure?

Answer 11

H&P

Question 12

what is the goal in support of respiratory failure

Answer 12

provide adequate O2 delivery to tissues

Question 13

what should you aim to keep the hgb above?

Answer 13

> 7 (unless bleeding)

Question 14

goal lactic acid level?

Answer 14

under 4

Question 15

what is ventilatory failure?

Answer 15

hypercapnic respiratory failure

Question 16

give examples of things that can incr CO2 production?

Answer 16

sepsis, fever, burns, trauma, seizures

Question 17

acute: for every rise of CO2 level by 10, pH decreases by ____

Answer 17

0.8

Question 18

acute: for every decline of CO2 level by 10, pH increases by ____

Answer 18

0.8

Question 19

chronic: for every rise of CO2 level by 10, pH decreases by ____

Answer 19

0.3

Question 20

signs of chronic respiratory failure

Answer 20

polycythemia, elevated CO2, normal pH w/ elevaetd PaCO2, elevated bicarb, clubbing

Question 21

T or F: O2 tx improves survival

Answer 21

true

Question 22

T or F: O2 tx improves exercise tolerance

Answer 22

true

Question 23

T or F: O2 tx improves lung fxn

Answer 23

false

Question 24

T or F: O2 tx improves survival in those with moderate hypoxemia or nocturnal hypoxemia

Answer 24

false

Question 25

in order to qualify for O2 tx, a person must have a PaO2 under____ or SaO2 under_____

Answer 25

55 mmHG, 88%

Question 26

a person can qualify for O2 tx with PaO2 56-59 with evidence of (#)?

Answer 26

1. ecg - cor pulmonale
2. pedal edema
3. secondary erythrocytosis