Capnography1

Question 1

Name 3 types of abnormal wave patterns for capnography

Answer 1

Curare
Camel
Airflow problem

Question 2

Which type of abnormal waveform resembles a shark fin?

Answer 2

Airflow problem wave form

Question 3

This type of waveform is seen in this type of situation?

Patient is in a lateral position

Answer 3

Camel Waveform pattern

Question 4

This type of waveform may be seen when paralytic has worn off post surgery?

Answer 4

Curare waveform

Question 5

What type of waveform may be seen when you have no coordination between vent & intercostal muscles?

Answer 5

Curare

Question 6

What type of waveform may be seen during spont breathing when patient is ventilated?

Answer 6

Curare

Question 7

Name 6 different types of trend patterns?

Answer 7

SD=  Sudden drop
ED= exponential drop
GI= Gradual increase
SI= Sudden increase
GD= Gradual decrease
USB= Upward Shift in baseline

Question 8

When you have hyperventilation which type of waveform trend pattern will you see?

Answer 8

Gradual lowering or decrease in trend pattern

Question 9

When you have hypoventilation which type of waveform trend pattern will you see?

Answer 9

Gradual increase in trend pattern

Question 10

When you see an increase in CO2 production from rapidly rising body temperature what trend pattern will you see?

Answer 10

Gradual increase trend pattern

Question 11

When you have a patient that has a kinked ET tube what trend pattern would you expect to see?

Answer 11

Sudden drop

Question 12

If you have a problem with the sidestream line causing mucus to build up & block what type of trend pattern would you see?

Answer 12

Sudden drop

Question 13

When you have a patient who just received IV line of adrenaline what trend pattern would you expect?

Answer 13

Sudden increase trend pattern

Question 14

If your patient begins rebreathing CO2 what trend pattern would result?

Answer 14

Upward shift in baseline

Question 15

When you have the lowering of body temperature what trend waveform would you expect?

Answer 15

Gradual lowering of trend pattern

Question 16

If your CO2 analyzer did not calibrate correctly what problem would you see?

Answer 16

Upward shift in baseline

Question 17

If your patient is administered sodium bicarb what trend pattern would you see?

Answer 17

Sudden Increase

Question 18

If you see decreasing perfusion what trend wave pattern would you see?

Answer 18

Gradual lowering of trend pattern

Question 19

If there is a problem with you CO2 absorber what trend wavepattern would you see?

Answer 19

Upward shift of baseline

Question 20

If I suddenly release a tourniquet what trend wave pattern results?

Answer 20

Sudden increase trend pattern

Question 21

An increase of dead space may cause which waveform?

Answer 21

Upward shift in baseline

Question 22

If you lower body temp what would the trend wavepattern do?

Answer 22

Gradual lowering

Question 23

If a patient has a sudden decrease in pulmonary circulation then what trend wave pattern is present?

Answer 23

Exponential decrease

Question 24

If a patient has a cardiac arrest what trend wave pattern shows?

Answer 24

Gradual decrease in trend pattern

Question 25

If your bp increases and reason can be drug induced what trend waveform is present?

Answer 25

Sudden Increase trend pattern

Question 26

If a patient has severe blood loss what pattern would you see?

Answer 26

Gradual decrease

Question 27

A big leak would produce which pattern?

Answer 27

Sudden decrease

Question 28

An increase in dead space produces which trend pattern?

Answer 28

Upward shift of baseline

Question 29

If you exercise or breath large VT what happens to your P(a-ET)CO2
A.  PaCO2 will be larger than PetCO2
B.  PetCO2 will be larger than PaCO2
C.  No change
D.  The values will equal

Answer 29

B. PetCO2 will be larger than PaCO2

Question 30

Name 4 reasons you would use capnometry?

Answer 30

Estimate physical dead space
Verify ET tube to prevent esophageal intubation
During blood flow during cardiac arrest
Assessment of PEEP

Question 31

How much CO2 is present in a normal inspired breath?

Answer 31

None

Question 32

What causes an expired CO2 to equal 0?

Answer 32

Patient disconnect

Question 33

If you notice an elevated baseline what could be the cause?

Answer 33

Rebreathing CO2