If the forearm is below heart level, a
false _______ in pressure may occur
due to increased hydrostatic forces.
Cuff width should be approximately
____% of the limb’s circumference.
The length of the cuff is typically ____ times the width and
is not as critical to the accuracy of the measurement
as is the width.
what is the most common technique for NIBP by machine?
What 3 parameters does the NIBP measure? which is most accurate
diastolic (most accurate on Dinamap machine)
Mean (most accurate)
What exactly is systolic pressure measuring?
Appropriately used to estimate vascular wall tension or stress in the case of new vascular anastomoses, vascular suture lines and aneurysms
What exactly is diastolic pressure measuring
Used clinically to describe the driving pressure for blood flow to the left ventricle. The majority of blood flow to the left ventricle occurs during diastole
what is a concern with oscillometry ?
oscillometry tends to overestimate b/p when hypotensive
and underestimate b/p when hypertensive
How will a cuff that is too small effect the b/p reading?
falsely high b/p reading
I thought Biggs said today it would be low becuase it wouldn't have to inflate to as high of a pressure to get the same oscillometric reading......
how will a cuff that is too large effect the b/p reading
falsely low b/p reading
I thought Biggs said today it would be high becuase it would have to inflate to a higher pressure to get the same oscillometric reading......
what type of sounds are ausculated when manually taking a NIBP
when a patient is lying flat arms at side, where will the b/p be slightly higher (i.e. 10 pnts on systolic).
A) the reading from upper arm
B) the reading from the lower leg
B) reading from the lower leg
When a person is standing where is the blood pressure the highest? the lowest?
A) the bicep of a raised arm
B) the bicep of an arm hanging to side
C) the ankle
Highest = C) the ankle
lowest = A) the bicep of a raised arm
what arrhythmia presents a problem for NIBP devices
Note: the text mentions palpitations so this would include frequent PVCs and frequent PACs
contraindications to NIBP
iv in that extremety