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Figure 6 | Cardiovascular Ultrasound

Figure 6

From: Transthoracic echocardiography for imaging of the different coronary artery segments: a feasibility study

Figure 6

Examples of antegrade and retrograde flow in the middle segment of LAD. The middle segment of the left anterior descending coronary artery (mLAD) imaged by colour Doppler mapping and matching spectral Doppler tracings of blood flow, imaged from modified parasternal short-axis view focusing on the anterior interventricular sulcus: (A) The mLAD is seen with antegrade flow. (B) The mLAD is seen with retrograde flow. D = spectral Doppler tracings of diastolic coronary blood flow; IVS = interventricular septum; LV = left ventricle; RV = right ventricle; S = spectral Doppler tracings of systolic coronary blood flow.

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