Hemodynamic Calculations

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1. What is the estimated right ventricular systolic pressure (RVSP) given the data in the image below?

1 point

32 mmHg

12 mmHg

22 mmHg

16 mmHg

There is not enough information to calculate the RVSP

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2. What is the estimated mitral valve area (MVA) given the data in the image below?

1 point

0.72 cm2

0.92 cm2

1.3 cm2

1.5 cm2

There is not enough information to calculate MVA

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3. Which of the following best describes the wavelength of 6Mhz TEE probe?

1 point

0.35 mm

0.51 mm

0.25 mm

0.6 mm

There is not enough information to calculate wavelength

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4. For the study below, the LVOT diameter measures 2.0cm. What is the AVA?

1 point

0.55 cm2

0.73 cm2

0.95 cm2

1.2 cm2

1.4 cm2

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5. Given the information below, what is the regurgitant volume through the mitral valve?

1 point

12 ml

32 ml

53 ml

71 ml

92 ml

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6. Given the following information from a CWD jet through the aortic valve, calculate the dimensionless index:

1 point

1.1

.23

.56

.71

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7. Which of the following is the correct Doppler equation?

1 point

ΔF = V * Sinθ * Ft/C

ΔF = V * Cosθ * 2Ft/C

V = ΔF * Cosθ * 2Ft/C

ΔF = V * Cosθ * Ft/C

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8. Given an LVOT diameter of 2.44cm, calculate the cardiac output given the information shown below:

1 point

3.67L/min

5.77L/min

6.69L/min

9.66L/min

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9. Which is the correct formula for acoustic impedance (Z)?

1 point

Z = density of medium * speed

Z = density of medium / speed

Z = resonant frequency * speed

Z = resonant frequency / speed

Z = harmonic frequency * speed

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10. Given a Qp/Qs ratio of 2:1, use the following data to calculate the time velocity integral of blood flow though the LVOT:

1 point

28.4 cm

35.6 cm

48.4 cm

64.5 cm

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