06 - quantitative monitoring

Question 1

(pulse oximetry)

1. measures what?
2. sensor placed on thin tissue

Answer 1

1. amount of oxygen bound to hemoglobin (percentage of total capacity)

Question 2

(pulse oximetry)

1. the saturation should be at what level?
2. 90% saturatino of hemoglobin (arterial blood) with oxygen equates to a PaO2 of what?

Answer 2

1. 90% or greater
2. 60 mm Hg

Question 3

1-3. what three factors make it easier for oxygen to be released from hemoglobin?

Answer 3

1. low pH, high temp, high CO2 (resp acidosis)

Question 4

venous blood normally has a hemoglobin saturation of what?

and a PvO2 of hwat?

Answer 4

75%

40 mmHg

Question 5

(capnography)

1. measures what?
2. highest part of curve = ?

Answer 5

1. CO2 breathed in and out by the patient
2. end tidal CO2

Question 6

(ECG)

1. monitors electrical rhythm of the heart
2. used primarily for detection of what during anesthesia?

Answer 6

2. dysrythmias and monitoring heart rate