Figure 4From: Quantitative detection of myocardial ischaemia by stress echocardiography; a comparison with SPECT A graph of accuracy between different modalities of RTP-ASE versus SPECT. Left anterior descending (LAD), left circumflex (LCx) and right coronary artery (RCA). Peak signal intensity (A), myocardial blood flow velocity (β), myocardial blood flow (Axβ).Back to article page