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In 1972, ultrasound-guided amniocenteses began replacing free-handed taps following J. Bang and A. Northeved's initiative to employ ultrasound technology to improve amniocentesis. [6] [7] Up until the 1980s, static B-scan ultrasound-guidance was used for the procedure, a process that did not permit visualization of the needle in the amniotic ...
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One common system has a purpose-designed plastic "pressure bottle" pressurized with a large disposable plastic syringe. A combined flow restrictor, air filter and drip chamber helps a nurse set the flow. The parts are reusable, mass-produced sterile plastic, and can be produced by the same machines that make plastic soft-drink bottles and caps ...
In veterinary medicine a bolus is a large time-release tablet that stays in the rumen of cattle, goats, and sheep. It can also refer to a dose of liquid injected subcutaneously with a hypodermic needle, such as saline solution administered either to counteract dehydration or especially to mitigate kidney failure, a common ailment in domestic cats.
Spoilers ahead! We've warned you. We mean it. Read no further until you really want some clues or you've completely given up and want the answers ASAP. Get ready for all of today's NYT ...
Here are four ways to bring back free play for kids, and for adults, no matter their sports skills. 1. Start a holiday tradition. If you organize a game, they will come. Encourage them to keep ...
Click on the video above to see how one man created a community of kindness for his fellow dads. "My wife had a two-week checkup and she was talking to a midwife and our midwife was explaining to ...
A drip chamber, also known as drip bulb, is a device used to allow gas (such as air) to rise out from a fluid so that it is not passed downstream. It is commonly employed in delivery systems of intravenous therapy and acts to prevent air embolism. [1] [2] The use of a drip chamber also allows an estimate of the rate at which fluid is administered.