It is feasible the AF caused the left atrial enlargement. Alternately the left atrial enlargement might have caused the AF. There the circle starts. The trick is to find out which came first, because the left atrial enlargement might be caused by something else. I'm not sure how they can tell about the left atrial enlargement from an ecg, until the echo.
Freebase(0.00 / 0 votes)Rate this definition: Parenteral is the introduction of nutrition, a medication, or other substance into the body via a route other than the mouth, especially via infusion, injection or implantation. Parenteral nutrition is nutrition via the veins.
Norplant and Implanon. Norplant is the name given to a series of rods or capsules that a doctor surgically inserts into a womanâs upper arm. The inserts release progestin into a womanâs bloodstream in order to prevent the ovaries from releasing eggs. However, this mechanism only works some of the time.[1].