| DFI | disease-free interval |
|---|---|
| EAVC | enhanced atrioventricular conduction |
| EAVN | enhanced atrioventricular nodal [conduction] |
| FI | fasciculus intrafascicularis; fever caused by infection; fibrinogen; fixed interval; flame ionizatio... |
| IDI | immunologically detectable insulin; induction-delivery interval; inter-dentale inferius |