Which conditions should be included in the differential diagnoses of bartonellosis (Bartonella infection)-related bacteremia?

Updated: Jun 19, 2019
  • Author: Kassem A Hammoud, MD; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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Bacteremia and systemic illnesses: Culture-negative endocarditis is always difficult to diagnose. Consider this diagnosis when the Duke criteria for endocarditis are present with negative findings on routine blood cultures. If bartonellosis is suspected, obtain antibody titers for B henselae and B quintana. Other causes of culture-negative endocarditis that merit consideration include legionellosis, Q fever, HACEK group infections (Haemophilus parainfluenzae, Aggregatibacter actinomycetemcomitans, Cardiobacterium hominis, Eikenella corrodens,Kingella kingae), and fastidious or slowly growing streptococci.

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