Harman Patil (Editor)

Cardiobacterium hominis

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Covid-19
Kingdom  Bacteria
Order  Cardiobacteriales
Genus  Cardiobacterium
Rank  Species
Phylum  Proteobacteria
Family  Cardiobacteriaceae
Higher classification  Cardiobacterium
Cardiobacterium hominis httpsuploadwikimediaorgwikipediacommons99
Similar  Kingella kingae, Cardiobacterium, Bacteria, Eikenella corrodens, Aggregatibacter aphrophilus

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Cardiobacterium hominis is a Gram-negative bacillus (rod-shaped) bacterium commonly grouped with other bacteria into the HACEK group. It is one of several bacteria normally present in the mouth and upper part of the respiratory tract such as nose and throat. However, it may also rarely cause endocarditis, an infection of the heart valves.

Contents

Cardiobacterium hominis Haempphilus and other fastidious GNB Biological Sciences 4090 with

Microbiology

Cardiobacterium hominis Cardiobacterium hominis

C. hominis is a catalase-negative, oxidase-positive, indole-producing, Gram-negative rod. Its morphology has classically been described as highly pleomorphic and irregularly staining, although homogeneous bacilli with uniform shapes may be seen with the addition of yeast extract.

Antibiotic sensitivity

Cardiobacterium hominis Cardiobacterium hominis

Historically, C. hominis has been sensitive to penicillin and penicillin derivatives such as ampicillin. However, penicillin-resistant strains, including those that produce beta-lactamases, have been described with increasing frequency. Clinical guidelines thus recommend that C. hominis and other HACEK organisms be presumed to harbor ampicillin resistance and therefore be treated with a third-generation cephalosporin. C. hominis and other HACEK organisms also exhibit in vitro susceptibility to trimethoprim-sulfamethoxazole, fluoroquinolones, and aztreonam. C. hominis is often resistant to erythromycin. Since cefotaxime use may be not appropriate for C. hominis endocarditis, an alternative regimen might include association of co-amoxiclav and gentamicin.

Cardiobacterium hominis Cardiobacterium hominis
Cardiobacterium hominis Fatal Bioprosthetic Aortic Valve Endocarditis Due to Cardiobacterium
Cardiobacterium hominis Pronounce Cardiobacterium hominis SpeakMedical YouTube

References

Cardiobacterium hominis Wikipedia


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