| PCR | Polymerase chain reaction |
| IE | Infective endocarditis |
| TEE | Transoesophageal echocardiography |
| PRISMA | Preferred Reporting Items for Systematic reviews and Meta-Analyses |
| CARE Checklist | Case Report Checklist |
| HACEK | Haemophilus spp., Aggregatibacter actinomycetemcomitans, Cardiobacterium hominis, Eikenella corrodens, and Kingella kingae |