Carbapenems have a penicillin-like mechanism, inhibiting cell wall synthesis. They are active against most pathogens, but some resistance is emerging. EnterobacteriaceaeâRisk factors for ESBLs should guide carbapenem use, along with laboratory testing of susceptibility, particularly for seriously ill patients.
The noun ALPHANUMERIC CHARACTERS has 1 sense: 1. a character set that includes letters and digits and punctuation. Familiarity information: ALPHANUMERIC CHARACTERS used as a noun is very rare.
Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  alpha(noun) the 1st letter of the Greek alphabet. 2  alpha(adj) the beginning of a series or sequence. the Alpha and Omega, the first and the last, the beginning and the end--Revelations. 3  alpha(adj) first in order of importance.