Test 5 PCW notes

Question 1

PCW normal pressures

Answer 1

25/30/15

Question 2

what is the format for PCW waveform

Answer 2

a/v/m

Question 3

what does a wave mean for PCW

Answer 3

atrial contraction

Question 4

what does c wave mean in PCW

Answer 4

closure of MV

Question 5

x descent in PCW?

Answer 5

relaxation of the left atrium

Question 6

v wave in PCW?

Answer 6

Left ventricle contraction and atrial filling

Question 7

y descents in PCW?

Answer 7

MV opening and LA emptying into LV

Question 8

what is larger in PCW a waves or v waves

Answer 8

v waves

Question 9

how much higher does v waves have to be to be considered MR

Answer 9

2-3 times higher than PCW

Question 10

respiratory variation is normal for

Answer 10

PCW

Question 11

what is higher values Ra or PCW

Answer 11

PCW

Question 12

Because of retrograde backflow of blood from pulmonary veins the v wave in the waveform in relation to the EKG is slightly

Answer 12

delayed after the QRS

Question 13

when is PCW sampled

Answer 13

end expiration

Question 14

is the balloon up or down when sampling PCW

Answer 14

up

Question 15

to stretch out a waves form you must __________the speed

Answer 15

increase

Question 16

is the balloon inflated if saturations are 70-90
which pressures are you sampling

Answer 16

no, PA

Question 17

is balloon inflated if o2 sat is at 95-100
which pressures are you sampling

Answer 17

yes, PCW

Question 18

intravascular volume overload
LV failure
pericardial effusion w tamponade
atrial Myoxma,
how does it affect PCW

Answer 18

increase in PCWm

Question 19

hypovolemia
improper zero of the transducer
these cause what to PCW

Answer 19

decrease in PCWm

Question 20

Increase in RV, PA PCWm pressures would indicate

Answer 20

VSD

Question 21

increase in RA RV PA and PCW indicated

Answer 21

ASD

Question 22

MS
LV failure
a-v synchrony
causes what to PCW

Answer 22

increase PCWa

Question 23

missing a waves indicate

Answer 23

AFib/aflutter

Question 24

MR
LRV failure
VSD
causes what to PCW

Answer 24

increase PCWv (2-3 minutes)

Question 25

PCWv=PCWa means

Answer 25

CP or tamponade

Question 26

M’s and W’s (prominent x and y descents) indicate

Answer 26

CP/RC

Question 27

PCWm is increased and higher than LVedp that would mean

Answer 27

MS

Question 28

canon v waves (2-3 times larger than a) indicates

Answer 28

MR

Question 29

severe papillary muscle acute ruptures due to infarct causes

Answer 29

canon v waves=MR

Question 30

12/30/15 PCW

Answer 30

MR

Question 31

diastolic gradient between PCWm and LVedp means

Answer 31

MS

Question 32

diastolic gradient between PAd and PCWm indicates

Answer 32

COPD/PE

Question 33

if patient is suspected of COPD ask the pt if they

Answer 33

smoke

Question 34

what is usually mistaken for a waves in AFib/aflutter

Answer 34

c waves

Question 35

RA has respiratory variation opposite of PCW which indicates

Answer 35

Kussmaul’s= tamponade

Question 36

when in suspicion of tamponade call

Answer 36

echo

Question 37

M’s and W’s in PCW indicates?
Which waveforms do you need?
what are you looking for?
What provokes Discord or concord?

Answer 37

CP/RC
RV and LV
Square root
1 Liter IV bolus