Fig. 2From: Treatment of Gram-negative pneumonia in the critical care setting: is the beta-lactam antibiotic backbone broken beyond repair?Evolving resistance patterns for Gram-negative pathogens associated with pneumonia in the critical care patient. Approximate years in which resistant organisms were identified are shown. AmpC AmpC-producing Enterobacteriaceae, ESBL extended-spectrum β-lactamase-producing Enterobacteriaceae, NDM-1 New Delhi metallo-β-lactamase-1-producing Enterobacteriaceae. Adapted from [33] and [94]Back to article page