Introduction to Art Lines Blood Pressure Monitoring

Question 1

The Principle of invasive monitoring is:

Answer 1

The pressure transducer acts as a harmonic oscillator
The wave is measured by a pressure transducer
All choices are correct
The pressure of the arterial pulse is transmitted along the vessels as a pressure wave

Question 2

Which of the following are indications for arterial line monitoring of blood pressure?
Select ALL that apply.

Answer 2

Critically ill patients which require close monitoring of hemodynamics
Patients in which NIBP is difficult to obtain (ex arrhythmia)
Patients requiring hemodynamic pharmacologic therapy

Question 3

All of the following are contraindications of arterial line placement except for:

Answer 3

BMI greater than 30

Question 4

Which of the following ensures accuracy of a blood pressure measurement via arterial line?

Answer 4

Zeroing
Dynamic Response testing
Level with phlebostatic axis
All choices

Question 5

Which of the following is true regarding an arterial line waveform which is over-dampened?
Select ALL that apply.

Answer 5

Under estimation of systolic blood pressure
Can be caused by clots at the catheter tip
There is loss of structure like the diacrotic notch

Question 6

Thrombotic occlusion is the most common complication of arterial line placement, with the femoral site being the most prone. True or False?

Answer 6

False