ST Segment Elevation; ST Segment Depression . General Introduction to ST, T, and U wave abnormalities. Basic Concept: the specificity of ST-T and U wave abnormalities is provided more by the clinical circumstances in which the ECG changes are found than by the particular changes themselves. Thus the term, nonspecific ST-T wave abnormalities, is frequently used when the clinical data are not available to correlate with the ECG findings.
lutein â(usually uncountable, plural luteins) ( 1 organic chemistry) A yellow carotenoid pigment, widely distributed in both plants and animals. 2  E161b when used as a food colouring.  xanthophyll.
Lutein is a carotenoid found in dark leafy green vegetables such as spinach. Lutein is highly concentrated in the macula, the part of the eye responsible for central vision.* Bausch + Lomb PreserVision Â® Lutein brand contains 5 mg of FloraGlo Lutein per soft gel, which gives you 10 mg of lutein per day. Key Features & Benefits. 1  For patients seeking an AREDS-based formula but who should avoid beta-carotene, such as smokers. 2  Convenient to take soft gels - 1 in the morning, 1 in the evening. # 3 1 recommended eye vitamin and mineral supplement among vitreoretinal eye doctors.