ɐ sˈeɪliːn flˈʌʃ ɪz ðə mˈɛθəd ʌv klˈɪɹɪŋ ˌɪntɹəvˈiːnəs lˈaɪnz ˈɪvz, sˈɛntɹəl lˈaɪnz ɔːɹ ɑːɹtˈɪɹiəl lˈaɪnz ʌv ˌɛni mˈɛdəsən ɔːɹ ˈʌðɚ pˈɛɹɪʃəbəl lˈɪkwɪdz tə kˈiːp ðə lˈaɪnz tˈuːbz ænd ˈɛntɹi ˈɛɹiə klˈiːn ænd stˈɛɹəl.
A saline flush is the method of clearing intravenous lines (IVs), central lines or arterial lines of any medicine or other perishable liquids to keep the lines (tubes) and entry area clean and sterile.