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.
Injectable Drug Dosages. Parenteral medications are those that are administered as injection to the patient. Due to the route and the presentation of these medications the effects are faster.Drugs for parenteral use are dispensed as either liquid or powder form.The drugs may also be supplied in glass or plastic ampoules or in a vial with a rubber stopper.ote: When giving injectable medications that are 1 mL or less, and the calculation works out to even tenths, accurate measurement is possible with either a TB or 3mL syringe. Injectable medications that may be unstable in solution, are packaged in powder form. All package or label directions must be followed exactly.