题目内容

赵先生,49岁.患风湿心瓣膜病,因发生感染,心功能三级而入院.赵先生出院后,预防链球菌感染的措施应该是( )

A. 坚持锻炼,防止呼吸道感染
B. 减少运动,多休息
C. 坚持限制钠盐饮食
D. 减轻心理压力,增强康复信心
E. 定期复查,必要时作出细菌培养

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