Why would a sonographer choose to use a high frequency transducer when scanning the carotid arteries?

Enlargement of the IVC, with subsequent enlargement of the hepatic veins, is seen in cases of:

The IVC is medial to all of the following except the

Longitudinal views of the renal vein tributaries are seen in a

Which vessel would be the shortest in length?

The IVC is medial to all of the following except the

The machine control that adjust overall brightness is ________

The image above shows what device used to limit the incidence of pulmonary embolisms by trapping DVTs originating in the lower extremities

The main portal vein is created by the union of the:

Describe in ultrasound terms what you see in the image above and what you think the diagnosis is.