_______ can be used as a contrast agent during a TEE/TTE

How is agitated saline used and what is it used to look for?

Why were new contrast agents developed (gas bubble with fat)

When can new contrast agents be used?

True/False: contrast agent is small enough to pass by the lungs (not absorbed) and present in the LV

Some common contrast agents

Indications for contrast use

Contraindications for contrast

Technique and equipment for optimum image

With contrast perfusion imaging, how is the and what contrast is injected?

How does contrast perfusion imaging show up?

When is contrast perfusion helpful?