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normal hemodynamics

practice quiz normal hemodynamics

True or false normally the RA mean equals the RV EDP True
If the RA is lower than the RV Transducer is calibrated wrong. This is impossible
Are there any Awaves in atrial fibrillation? No
Right atrial a wave pressure Is 8, vzwave pressure is 6, x descent is 0 and y descent is 1. What is the mean pressure? 8+0รท2=4
The formula for an atrial mean pressure is High plus low divided by 2
What normal positive atrial pressure wave follows the QRS complex and coincides with ventricular contraction? V wave
What valvular event is most closely associated with the dicrotic notch on the PA pressure tracing? Closure of pulmonic valve
Comparing normal AO pressure to the LV waveforms, is the following true or false? AO systolic is normally 20 mmHg lower than LV systolic False- This signifies aortic stenosis
Which of the following pressures is normally the lowest? AO diastolic; LA mean; PCW-c waves; LV mean; LV early diastole LV early diastole
True or False: PCW mean is higher than RA mean in normal patients True
True or False: Left heart pressure s higher than Right heart pressure in normal patients True
Absence of a-waves in the LA waveform is consistent with Atrial fibrillation
AO systolic is 120, AO diastolic is 80. What is the mean pressure? 120 + 160 / 3 = 93
The difference between an arterial systolic and diastolic pressure is called a/an: pulse pressure
What are we looking for when we sample the arterial systolic and diastolic pressures? Valve regurgitation
What is normal pulse pressure? Around 40
If both systolic and diastolic are down? No regurgitation
Respiratory variation is normal in: PCW
Checking for differences between the RA and RV pressures would tell you about problems with the: Tricuspid valve
True or false:The normal oxygen saturation of blood drawn from the pulmonary capillary wedge position is 70% False it should be about 100%
True or false: "The lowest pressure of all right heart waveforms is the x descent of the RA. It should be zero." False - RV DIASTOLIC should go down to zero
Which of the following is a normal MEAN PA pressure?: 4 mm Hg; 18 mm Hg; 30 mm Hg; 50 mm HG 18 mmHg
Normal PA systolic/diastolic? 25/15
What valvular event is most closely associated with the C-wave on the PAOP pressure tracing? Closure of the mitral valve
What is another term for PAOP PCW
Your patient Ms Ada Bunch, a marketing manager for Chiquita Banana, has a pressure recorded as: -/15/12. This is most likely a normal PCW/ atrial fibrillation
The new cardiology fellow, Dr. Blankmeind, hands you a blood sample taken from the SVC. What do you expect the oxygen saturation to be? 60-70%
Which of the following pressure tracings is impossible to obtain?: Simultaneous LV/AO; RA to RV insertion; PA to RV pullback; Simultaneous AO/ Femoral artery; LV to PCW pullback LV to PCW pullback - impossible
To detect stenosis of the tricuspid valve, sample: RV to RA pullback
If youre looking for COPD sample PCW to PA pullback
To detect pulmonic valve stenosis: PA to RV pullback
To detect mitral stenosis or LV regurgitation: Simultaneous LV/PCW
A pressure difference between RV systolic and PA systolic is: A gradient
What dampens the waveform? Bubbles
What causes catheter whip? too much vibration on the catheter
What is the most important hemodynamic measurement in assessing ventricular failure? EDP
Created by: ICVT2b