Which is not considered a key factor in determining hydrostatic pressure?

Which of the following equations converts Doppler velocities into pressure gradients across a valve?

What is the estimated oxygen saturation level in the pulmonary arteries?

What is the “meaty”, rough lining of the ventricular wall called?

What upper arm vein would we expect to see at the arrow?

What structure is located within the green box?

Which is considered the passive phase of respiration?

What part of the cardiac cycle occurs in the red bracket area?

What is the estimated oxygen saturation level in the pulmonary arteries?

What information can be obtained from the color scale setting?