Qon tomir doppleri — Me’yoriy qiymatlar: Venoz reflyuks - patologik davomiylik, DVT — asosiy mezon, Ichki karotid stenozi - SRU 2003, CEAP - klinik tasnifi (venoz).
| O‘lchov | Odatiy qiymat | Izoh |
|---|---|---|
| Venoz reflyuks - patologik davomiylik | > 0,5 s | yuzaki va chuqur (femoropopliteal 1 s dan ortiq foydalanishi mumkin)Manba: Consenso venoso / StatPearls |
| DVT — asosiy mezon | — | siqilmaydigan tomir (+ oqim / to'ldirish yo'q)Manba: StatPearls |
| Baho | PSV (sm/s) | EDV (sm/s) | ICA/CCA nisbati |
|---|---|---|---|
| Oddiy | < 125 | < 40 | < 2,0 |
| < 50% | < 125 | < 40 | < 2,0 |
| 50–69% | 125–230 | 40–100 | 2,0–4,0 |
| ≥ 70% | > 230 | > 100 | > 4,0 |
| Oklyuziyaga yaqin | o'zgaruvchan | — | — |
| Oklyuziya | oqim yo'q | — | — |
IAC 2023 yangilanishi 50% chegarani PSV > 180 cm/s ga oshirdi va alohida Oddiy toifani qo'shdi — laboratoriyangiz qabul qilgan standartni tekshiring.
Manba: SRU Consensus 2003 (Radiology) / Radiopaedia
| Sinf | Klinik topilma |
|---|---|
| C0 | Ko'rinadigan/palpatsiya qilinadigan belgilar yo'q |
| C1 | Telangiektaziyalar / retikulyar tomirlar |
| C2 | Varikoz tomirlari |
| C3 | Shish |
| C4 | Teridagi o'zgarishlar (pigmentatsiya, ekzema, lipodermatoskleroz) |
| C5 | Shifolangan yaralar |
| C6 | Faol yara |
Manba: CEAP (StatPearls)