practice quiz normal hemodynamics
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| True or false normally the RA mean equals the RV EDP | True
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| If the RA is lower than the RV | Transducer is calibrated wrong. This is impossible
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| Are there any Awaves in atrial fibrillation? | No
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| 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
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| The formula for an atrial mean pressure is | High plus low divided by 2
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| What normal positive atrial pressure wave follows the QRS complex and coincides with ventricular contraction? | V wave
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| What valvular event is most closely associated with the dicrotic notch on the PA pressure tracing? | Closure of pulmonic valve
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| 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
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| Which of the following pressures is normally the lowest? AO diastolic; LA mean; PCW-c waves; LV mean; LV early diastole | LV early diastole
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| True or False: PCW mean is higher than RA mean in normal patients | True
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| True or False: Left heart pressure s higher than Right heart pressure in normal patients | True
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| Absence of a-waves in the LA waveform is consistent with | Atrial fibrillation
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| AO systolic is 120, AO diastolic is 80. What is the mean pressure? | 120 + 160 / 3 = 93
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| The difference between an arterial systolic and diastolic pressure is called a/an: | pulse pressure
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| What are we looking for when we sample the arterial systolic and diastolic pressures? | Valve regurgitation
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| What is normal pulse pressure? | Around 40
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| If both systolic and diastolic are down? | No regurgitation
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| Respiratory variation is normal in: | PCW
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| Checking for differences between the RA and RV pressures would tell you about problems with the: | Tricuspid valve
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| True or false:The normal oxygen saturation of blood drawn from the pulmonary capillary wedge position is 70% | False it should be about 100%
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| 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
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| Which of the following is a normal MEAN PA pressure?: 4 mm Hg; 18 mm Hg; 30 mm Hg; 50 mm HG | 18 mmHg
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| Normal PA systolic/diastolic? | 25/15
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| What valvular event is most closely associated with the C-wave on the PAOP pressure tracing? | Closure of the mitral valve
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| What is another term for PAOP | PCW
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| 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
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| 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%
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| 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
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| To detect stenosis of the tricuspid valve, sample: | RV to RA pullback
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| If youre looking for COPD | sample PCW to PA pullback
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| To detect pulmonic valve stenosis: | PA to RV pullback
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| To detect mitral stenosis or LV regurgitation: | Simultaneous LV/PCW
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| A pressure difference between RV systolic and PA systolic is: | A gradient
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| What dampens the waveform? | Bubbles
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| What causes catheter whip? | too much vibration on the catheter
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| What is the most important hemodynamic measurement in assessing ventricular failure? | EDP
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