第七节　肺炎球菌肺炎1　概述本病为由肺炎球菌 (又称肺炎链球菌 )引起的肺炎 ,约占社区获得性肺炎的一半。本病起病急骤 ,有时可引起循环衰竭。近年来 ,耐青霉素菌株引起的感染开始受到重视。2　诊断标准2 1　典型病例2 1 1　流行病学特点　冬春季多见 ;男性、青壮年多见 ; Section VII pneumococcal pneumonia 1 Overview The disease is caused by pneumococcal pneumonia (also known as Streptococcus pneumoniae) pneumonia, accounting for about half of community-acquired pneumonia. The rapid onset of the disease, sometimes can cause circulatory failure. In recent years, infections caused by penicillin-resistant strains have begun to attract attention. 2 diagnostic criteria 2 1 typical cases 2 1 1 epidemiological characteristics more common in winter and spring; men, young and old more common;