Critical Care Paramedic Practice Exam

Question: 1 / 740

What is the maximum number of oscillations allowed in a fast flush test of an arterial line?

1 oscillation

No more than 3 oscillations

In a fast flush test of an arterial line, performing no more than three oscillations is considered the maximum permissible amount. This test assesses the responsiveness and accuracy of the arterial line's pressure recording capabilities. During the fast flush, the system should demonstrate a quick and clear oscillation response to the flush, and if everything is functioning correctly, there should ideally be minimal dampening of the waveform.

Allowing for up to three oscillations is significant because it provides a balance between ensuring that the arterial line is functioning properly while avoiding excessive oscillation, which could indicate problems such as line obstruction or incorrect pressure readings. Conducting more than three oscillations might lead to misleading interpretations regarding the integrity or functionality of the arterial line, so limiting it to three helps maintain clarity in diagnostic outcomes during the assessment.

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Up to 5 oscillations

No more than 2 oscillations

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