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Objectives. Discuss fetal anatomy. Discuss the fetal circulation. Course of the circulation. Admixture of oxygenated and systemic venous blood. Fetal vascular pressures. Blood gases and oxygen saturation. Cardiac output and its distribution. Birth associated changes in circulation.
Our study adds clear and detailed images of normal fetal hearts that have been dissected according to the standard fetal echocardiographic examination, extending the anatomic-echocardiographic correlations that underscored the development of fetal cardiology as a specialty.
25 maj 2023 · Once the cardiovascular system is fully established, blood circulation commences and the embryo can directly derive nutrients from its own blood supply. This article will cover the anatomy, structure and function of the fetal circulation.
The functional assessment of the fetal heart conveys important information regarding the hemodynamic status and cardiovascular adaptation of a fetus in the face of several perinatal complications.
The fetal circulation. The circulation in the fetus differs from that in the adult. Knowledge of the course and distribution of the fetal circulation is important to our under-standing of the manner in which various congenital heart lesions influence the normal circulation.
Fetal Heart Imaging. A guide to understanding normal fetal cardiac anatomy and standard sonographic views. THE 4-CHAMBER VIEW. Cardiac Axis. • The fetal heart should be pointing toward the fetal left at 45 degrees, ±20 degrees. Cardiac Size. The fetal heart occupies about 1/3 of the fetal chest. CC/TC ratio ~50% Chamber Morphology.
The following learning module is meant to be an introduction to normal fetal cardiac anatomy. Essential components of the fetal echocardiogram include anatomic overview, biometric examination, cardiac imaging views, Doppler examination, and examination of rhythm and rate.
