Endocarditis due to Gram-negative organisms is infrequent. Gram-negative organisms are responsible for <4% of cases worldwide. Infective endocarditis caused by Gram-negative bacteria is a severe disease and presents a high rate of complications and high mortality. It often has a nosocomial origin, and it is caused by resistant organisms. HACEK organisms include: Haemophilus species Actinobacillus […]

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