Characteristics of Selected Pneumonias Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. Staphylococcus aureus. Plump gram-positive cocci in clumps. Klebsiella pneumoniae. Plump gram-negative encapsulated rods. Escherichia coli. Gram-negative rods. Pseudomonas aeruginosa. Gram-negative rods. Anaerobes. Mixed flora. Mycoplasma pneumoniae. PMNs and monocytes; no bacteria. Legionella species. Few PMNs; no bacteria. Chlamydophila pneumoniae. Nonspecific. Moraxella catarrhalis. Gram-negative diplococci. Pneumocystis jirovecii. Nonspecific. #Pneumonia #Patterns #Diagnosis #Comparison #Table #Presentation #Pulmonary
