| HR | heart rate; hemorrhagic retinopathy; high resolution; higher rate; histamine receptor; hormonal resp... |
|---|---|
| HSE | herpes simplex encephalitis; hemorrhagic shock and encephalopathy |
| HSES | hemorrhagic shock-encephalopathy syndrome |
| KHF | Korean hemorrhagic fever |
| OHF | Omsk hemorrhagic fever |