measurements & dates

Vascular anomalies occur in barely __% of all births.

1%

For the chronic venous insufficiency exam, the sonographer is using an automatic cuff inflator.

What size cuff is used?

12×40 cm

How much is the automatic cuff inflator inflated to when evaluating the CFV?

80 mmHg

How much is the automatic cuff inflator inflated to when evaluating the popliteal vein and GSV?

100 mmHg

How much is the automatic cuff inflator inflated to when evaluating the PTVs?

120 mmHg

For the chronic venous insufficiency exam using automatic cuff inflators, when optimal doppler signals are obtained, what is then done? (2)

• The cuff is inflated to 80 mmHg

• Maintained for 1-2 seconds

The IVC is considered dilated when it exceeds…

2 cm

How far should an IVC measurement be taken from when it enters into the right atrium?

2 cm

For a chronic venous insufficiency exam, how short does flow in the opposite direction upon release of augmentation have to be to be considered normal valve closure time?

Less than 0.5 seconds

For a chronic venous insufficiency exam, how long does flow in the opposite direction upon release of augmentation have to be to be considered abnormal valve closure time?

Greater than 0.5 - 1 seconds