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Table 1 Technical details and clinical implications of contrast-specific imaging techniques

From: Combination of contrast with stress echocardiography: A practical guide to methods and interpretation

High Power Intermittent Imaging

Acquisition difficulty

Amount of contrast used

Amplitude of micro-bubble backscatter

Dynamic range

Greyscale or colour

Processed Backscatter

Myocardial perfusion

Wall motion

Artefacts

Tissue Harmonic Imaging

challenging

low

high

wide

grey

harmonic

yes

no

yes

Ultraharmonic

challenging

low

high

wide

grey

harmonic

yes

no

yes

Pulse inversion

challenging

low

high

wide

grey

harmonic

yes

no

yes++

Harmonic Power Doppler

challenging

low

high

wide

colour

harmonic

yes

no

yes

Low Power Continuous Imaging

         

Power Pulse inversion

easy

high

low

narrow

colour

harmonic

yes

yes

yes

Power modulation

easy

high

low

narrow

either

fundamental

yes

yes

yes