Echo MCQ for F2

How to increase frame rate in echo ?

• Increase imaging depth

• Decrease sector width

• Multi-focus imaging

• Increase scan line per frame

• Use of higher frequency transducer

What is wavelength of 2 MHz sound in soft tissue?

• 1.54 mm

• 0.75 mm

• 0.75 cm

• 0.75 m

• 0.77 s

What is the most appropriate view to measure the RV wall thickness ?

• Apical four chamber RV-focused view

• RV inflow view

• RV outflow view

• Subcostal view

• Short axis view

Which one can Bernoulli equation be used correctly?

• MS with pulmonary hypertension

• AS with HOCM

• Diffuse small coarctation of aorta

• AS with AR

• AS with anemia

What is the percentage error calculating the pressure gradient using the modified Bernoulli equation instead of the Bernoulli equation, if V2 = 3 m/sec and V1= 1 m/sec ?

• +12.5%

• +33%

• -12.5%

• -50%

• -33%

The peak velocity through a stenotic aortic valve is

measured to be 2.5 m/sec with an ultrasound angle of

60 degrees. What is the peak instantaneous pressure

gradient across this valve?

• 10 mmHg

• 62.5 mmHg

• 6.25 mmHg

• 50 mmHg

• 100 mmHg

According to 2010 ASE Guideline

What is the estimated RA pressure ?

• 3 mmHg

• 8 mmHg

• 15 mmHg

• 20 mmHg

• 25 mmHg

Giving RAP of 8 mmHg. What is the estimated RVSP ?

• 25 mmHg

• 33 mmHg

• 36 mmHg

• 48 mmHg

• 54 mmHg

What is the most likely diagnosis ?

• Pulmonic stenosis

• Pulmonic valve prolapse

• Pulmonary hypertension

• Subpulmonic VSD

27 female, pulmonary vascular resistance is ?

• Normal

• Reduced

• Increased

• Inadequate data