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Illustration of TRAPS pregnancy. On the left, the acardiac twin. The pump twin is on the right. Selective termination of the acardiac twin can reduce the risk of death of the pump twin. Twin reversed arterial perfusion sequence, also called TRAP sequence, TRAPS, or acardiac twinning, is a rare complication of monochorionic twin pregnancies. [1]
The twin reversed arterial perfusion, or T.R.A.P. sequence, results in an 'acardiac twin', a parasitic twin that fails to develop a head, arms and a heart.The parasitic twin, little more than a torso with or without legs, receives its blood supply from the host twin by means of an umbilical cord-like structure, much like a fetus in fetu, except the acardiac twin is outside the autosite's body.
The presence of a "T-sign" at the inter-twin membrane-placental junction is indicative of monochorionic-diamniotic twins (that is, the junction between the inter-twin membrane and the external rim forms a right angle), whereas dichorionic twins present with a "lambda (λ) sign" (that is, the chorion forms a wedge-shaped protrusion into the ...
Qardio's first product, QardioArm, is a wireless blood pressure monitor that connects with Apple's Health app; it received FDA 510(k) clearance in June 2014. [ 3 ] At CES 2015, Qardio announced two new products, QardioBase, a smart scale and body analyzer, and QardioMD, a medical dashboard for doctors. [ 4 ]
It's a computer-generated heart, or digital twin, used to test implantable cardiovascular devices, like stents, and prosthetic valves that, once confirmed they are safe, will eventually be used on ...
Even more rare, the couple learned: Their girls are two sets of identical twins. “I was laughing and crying at the same time,” Farrah, 29, tells PEOPLE. “My husband was about to pass out.”
Additionally, entanglement may cause one twin to become stuck in the birth canal during labor and expulsion. [1] Cord entanglement happens to some degree in almost every monoamniotic pregnancy. [1] Cord compression: One twin may compress the other's umbilical cord, potentially stopping the flow of nutrients and blood and resulting in fetal ...
An Alabama woman who has an extremely rare double uterus and got pregnant in both gave birth to twins last week a day apart, according to a news release from the University of Alabama at ...
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