ABGs

Question 1

arterial blood gas analysis

Answer 1

measurement of PH, partial pressure of oxygen and carbon dioxide in arterial blood

Question 2

T/F gas move from High partial pressure to Low

Answer 2

true

Question 3

whats Paco2 controlled by

Answer 3

ventilation

Question 4

whats Po2 measure

Answer 4

free unbound 02 molecules

Question 5

amount of 02 in blood depends on

Answer 5

Hb concentration
saturation of Hb with 02
carrying capacity

Question 6

whats the driving force for saturating Hb with 02

Answer 6

Po2

Question 7

what dictates Pa02

Answer 7

alveolar ventilation
ventilation/ perfusion
Fi02 (oxygen therapy)

Question 8

the law of conservation of matter

Answer 8

equilibrium maintained

Question 9

what systems work together to maintain ph within normal limits

Answer 9

renal and respiratory

Question 10

why PT care about resp

Answer 10

establish diagnosis
monster treatment (pharm, oxygen, pT)

Question 11

how to measure ph

Answer 11

radial brachial femoral artery

Question 12

normal range Ph

Answer 12

7.35-3.45

Question 13

normal range Pac02

Answer 13

35-45 mm Hg

Question 14

normal range Hc03

Answer 14

22-28 mEq/l

Question 15

what are we analyzing for

Answer 15

metabolic alkalosis, acidosis
respiratory alkalosis, acidosis

uncompenseated and compensated for all

Question 16

order of analysis for uncompensated ABG

Answer 16

Ph, Paco2, Hco3

Question 17

acidosis

Answer 17

lower than 7.35

Question 18

alkalosis

Answer 18

higher than 7.45

Question 19

whats step 1 in ABG

Answer 19

look at PH, is it acidosis or alkalosis or normal

Question 20

2nd step in analysis ABG

Answer 20

look at pac02

Question 21

what if step two is not normal

Answer 21

its respiratory

Question 22

step three is what

Answer 22

look at hc03

Question 23

what is step two is normal but 3 is not

Answer 23

metabolic

Question 24

deciding if uncompensated

Answer 24

do values
go same direction PH
opposite
normal

Question 25

uncompensated Respiratory acidosis Ph Paco2 Hc03

Answer 25

down up normal

Question 26

uncompensated Respiratory alk Ph Paco2 Hc03

Answer 26

up down normal

Question 27

uncompensated metabolic acidosis Ph Paco2 Hc03

Answer 27

down norla down

Question 28

uncompensated metabolic alk Ph Paco2 Hc03

Answer 28

up normal up

Question 29

how long does respiratory compensation take

Answer 29

minutes to ours

Question 30

how long does renal compensation take

Answer 30

1-5 dats

Question 31

compensated Respiratory acidosis Ph Paco2 Hc03

Answer 31

down up up

Question 32

compensated Respiratory alk Ph Paco2 Hc03

Answer 32

up down down

Question 33

``` compensated metabolic acidosis Ph Paco2 Hc03 ```

Answer 33

down down down

Question 34

``` compensated metabolic alk Ph Paco2 Hc03 ```

Answer 34

up up up

Question 35

mixed disorder

Answer 35

+1 primary acid base disorder

Question 36

interpret metablic acidosis

Answer 36

keto, posion, renal failure

Question 37

interpret metablic ack

Answer 37

sodium overloud, K depleted, vomtting, conns

Question 38

interpret resp ack

Answer 38

hyperventilation | pain anxiety fever

Question 39

interpret resp acid

Answer 39

hypoventilation | COPD, sleep apnea

Question 40

causes of impaired oxygenation

Answer 40

``` less inspiration alveolar hypoventilation diffusion impairemtn shunt ventilation / perfusion mismatch ```

Question 41

alveolar hypoventailtion rule of thumb

Answer 41

Pa02 should only decrease 1 for every 1 Pac02 increase

Question 42

major mechanism for hypoxemia

Answer 42

hypoventilation

Question 43

how we treat respiratory acidosis

Answer 43

hypoventilation (sputum)

Question 44

how we treat respiratory alk

Answer 44

hyperventatilion | oxygen therapy

Question 45

2 ways to analyze a mixed disorder

Answer 45

chart | clinical relevance

Question 46

define pa02

Answer 46

partial pressure of oxygen in arterial blood

Question 47

define sa02

Answer 47

oxygen saturation in arterial blood

Question 48

define sp02

Answer 48

measured using oximeter