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Preductal coarctation results when an intracardiac anomaly during fetal life decreases blood flow through the left side of the heart, leading to hypoplastic development of the aorta. This is the type seen in approximately 5% of infants with Turner syndrome. [4] [5] Ductal coarctation: The narrowing occurs at the insertion of the ductus arteriosus.
Causes include post-term pregnancy, placental insufficiency, and NSAID use by the mother. [citation needed] Decreased size of pulmonary vascular bed: This has a poor prognosis, as it is a fixed abnormality. It is caused by space occupying lesions such as pleural effusions and diaphragmatic hernias. [citation needed]
The aorta (/ eɪ ˈ ɔːr t ə / ay-OR-tə; pl.: aortas or aortae) is the main and largest artery in the human body, originating from the left ventricle of the heart, branching upwards immediately after, and extending down to the abdomen, where it splits at the aortic bifurcation into two smaller arteries (the common iliac arteries).
It is beneficial to have vascular access established. In newborns, the pulse oximeter is typically placed on the right hand to determine pre-ductal oxygenation, referring to oxygenation before the ductus arteriosus (connection between aorta and pulmonary artery). [36] This gives the oxygenation level the heart and brain receive.
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The U.S. ambassador to Mexico, Ken Salazar, said on Wednesday that the country is not safe and criticized the previous president for a failed security policy and refusing to accept American ...
The Michigan Legislature created the modern Michigan Occupational Safety and Health Act, Public Act 154 of 1974, in order to better prevent workplace injuries, illnesses and fatalities in Michigan by: setting and enforcing occupational safety and health standards; promoting safety and health training and education; and working with partners to develop innovative programs to prevent workplace ...
London — A Michelin-starred chef in England called Monday on the thieves who stole his work van, along with about $32,000 worth of meat pies inside it, to embrace the holiday spirit and hand ...