Pulm CCM 1 Flashcards
1
Q
ΔP = Pplat - PEEP = _____
A
Vt/Crs (tidal volume/compliance)
2
Q
McConnell’s sign indicates
A
acute RV strain (as in PE)
3
Q
Describe McConnell’s sign
A
RV free wall akinesis w/ sparing of apex
4
Q
RA pressure if IVC <1.5 cm and collapses completely
A
0-5
5
Q
RA pressure if IVC 1.5-2.5 cm and collapses >50%
A
5-10
6
Q
RA pressure if IVC 1.5-2.5 cm and collapses <50%
A
11-15
7
Q
RA pressure if IVC >2.5 cm and collapses <50%
A
16-20
8
Q
How will the vent waveforms show you auto-PEEP is building up in APRV?
A
flow does not return to 0 at end-expiration
9
Q
How do you measure auto-PEEP in APRV?
A
expiratory hold
10
Q
How do you measure Pplat in pressure assist control?
A
inspiratory hold! (hint: It’s not the inspiratory pressure.)
