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a Chapter 29 Doppler Ultrasound Examination of the Fetal Coronary Circulation 433<br />

Fig. 29.3 a±c. Pulsed-wave Doppler images of the left coronary<br />

(LCA), left anterior descending (LAD), and right coronary<br />

arteries (RCA) obtained in a 29-week fetus. Of note is<br />

the predominance of blood flow during diastole that is observed<br />

in all three vessels. (From [87])<br />

Fig. 29.4. The median and 95% confidence interval for the<br />

peak systolic velocity (PSV) in the coronary artery of appropriately<br />

grown fetuses in relation to gestational age (GA).<br />

(From [43])<br />

Fig. 29.5. The median and 95% confidence interval for the<br />

peak diastolic velocity (PDV) in the coronary artery of appropriately<br />

grown fetuses in relation to gestational age<br />

(GA). (From [43])

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