Table 2.
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 |