Table 2.

Contrast Specific Imaging Methods for Assessment of Myocardial Perfusion

	Harmonic B-mode	Harmonic power Doppler	Pulse invertion	Power pulse invertion
Bubble-to-tissue sensivity	Moderate	Very good	Good	Very good
Off-line background subtraction needed	Yes	No	Yes	No
LV-myocardium delineation	Poor	Good	Moderate	Good
Wall motion artifacts	None	Can be severe	Moderate	Few
Real-time imaging	No	No	No	Yes