In normal prenatal circulation, oxygenrich blood is delivered from the mothers body, through the placenta and umbilical cord, to the inferior vena cava of the fetus. Fetal circulation right before birth circulatory system. Watch how the blood flows through the fetal circulation and compare it to what happens in the babys body. The hole between the top two heart chambers right and left atrium is called a patent foramen ovale. The author of this video presents maternal fetal circulation. The oxygen rich blood that enters the fetus passes through the fetal liver and enters the right side of the heart. Rishi is a pediatric infectious disease physician and. Learn about the anatomy and physiology of fetal and postnatal circulation. Rating is available when the video has been rented. Learn fetal circulatory system with free interactive flashcards. Maternal fetal circulation birth trauma animation youtube. The transition from the fetal to neonatal circulation is considered to be a period of intricate physiological, anatomical, and biochemical changes in the cardiovascular system.
Fetal circulation by lisa mccabe for openpediatrics youtube. This animated legal exhibit was used in a birth injury case to demonstrate how fetal maternal circulation feeds and supports a developing infant. Development begins very early in mesoderm both within embryonic and outside extra embryonic, yolk sac and placental the embryo. The oxygen rich blood goes through one of the two extra connections in the fetal heart that will close after the baby is born. Heart, blood circulation, blood, lymphaticimmune, respiratory, urinary. Quizlet flashcards, activities and games help you improve your grades. Fetal circulation by lisa mccabe for openpediatrics. Vascular development therefore occurs in many places, the most obvious though is the. Together, your heart and blood vessels make up your cardiovascular system, which circulates blood and oxygen around your body. During pregnancy, the fetal lungs are not used for breathing the placenta does the work of exchanging oxygen and carbon dioxide through the mothers. Initially all of the blood returns to the right atrium.
Its a muscular organ about the size of your fist and located slightly left of center in your chest. At birth, when pulmonary lung, digestive, and liver functions begin to operate, the special structures of fetal circulation are no longer needed. Shunts for the blood in the developing heart serve a very practical need. Rishi is a pediatric infectious disease physician and works at khan academy. Fetal circulation free download as powerpoint presentation. When the fetus is bornand with its first breath, the foramen ovale and ductus arteriosus close. The blood no longer bypasses the pulmonary circulation. Choose from 500 different sets of fetal circulatory system flashcards on quizlet.
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