Main histological stains used for the diagnosis of infective endocarditis
| Tissue stain | Detected microorganism |
|---|---|
| Reproduced from Houpikian et al11 with permission. | |
| Acridine orange | Any bacterium |
| Giemsa | Any bacterium |
| Tissue Gram | |
| Brown-Hoops | Gram positive bacteria |
| Brown-Brenn | Gram negative bacteria |
| Periodic acid-Schiff | Tropheryma whippelii, fungi |
| Warthin-Starry | Bartonella species |
| Ziehl-Nielsen | Acid-fast bacilli |
| Gimenez | Coxiella burnetti, Legionella species |
| Kinyoun, Mchiavello | Chlamydia species |
| Gomori-Grocott | Fungi |