Calcium-ka la Saxay ee Albumin-ka
Saxidda Calcium-ka Seerumka (Hab-xisaabeedka Payne)
Natiijada
Calcium-ka la Saxay
Calcium-ka la cabbiray:
Albumin:
Ku Saabsan Saxidda
Hab-xisaabeedka la isticmaalo
Calcium-ka la saxay = Calcium-ka la cabbiray + 0.8 × (4.0 − Albumin)
Meesha calcium-ku ku muujinayo mg/dL iyo albumin-ku g/dL. Marka albumin-ku uu yahay ≥ 4.0 g/dL, isticmaal qiimaha calcium-ka la cabbiray si toos ah (hab-xisaabeedku wuxuu soo saari doonaa sax taban oo aan macno caafimaad muhiim ah lahayn).
Fasiraadda
| Calcium-ka la Saxay | Fasiraadda |
|---|---|
| < 8.5 mg/dL | Hypocalcaemia (Yaraanta Calcium-ka) |
| 8.5–10.5 mg/dL | Caadi |
| > 10.5 mg/dL | Hypercalcaemia (Badnaanta Calcium-ka) |
Sababta Caafimaad
Ku dhawaad %40–45 calcium-ka seerumka guud waxay ku xiran yihiin albumin-ka. Xaaladda yaraanta albumin-ka, calcium-ka guud ee la cabbiray si khaldan ayaa loo yaraan karaa, halka calcium-ka firfircoon (qaybta caafimaad ee shaqaysa) ay caadi ahaato — xaalad loo yaqaan pseudohypocalcaemia. Saxidda albumin-ka waxay bixisaa qiyaas calcium-ka firfircoon iyadoon loo baahnayn cabbir toos ah oo calcium firfircoon ah.
Macnaha caafimaad: Hab-xisaabeedkani waa qiyaas. Calcium-ka firfircoon (Ca²⁺ xor ah) waa heerka ugu sarreeya ee qiimaynta calcium-ka firfircoon ee caafimaad, oo leh qiimayaal tixraac ah oo 4.5–5.3 mg/dL (1.12–1.32 mmol/L). Cabbirka toos ah ayaa la doorbidaa marka la heli karo, gaar ahaan xaaladaha caafimaad ee adag.
⚠️ Xayiraadaha muhiimka ah
- Weligeed lama hubin calcium-ka firfircoon: Hab-xisaabeedkii asalka ahaa ee Payne (1973) waxaa loo soo saaray iyadoon si toos ah loo cabbirin calcium-ka firfircoon oo la isticmaalay hab-shaybaar ka duwan kuwa hadda la isticmaalo.
- Aan lagu kalsoonaan karin bukaanada aad u xanuunsan: Isbeddelka acid-base (acidosis-ku wuxuu kordhinayaa qaybta firfircoon), sepsis iyo xaaladaha kale ee daran waxay bedelaan xiriirka calcium-borotiin si aan hab-xisaabeedku saadaalin karin.
- Paraproteinaemias: Xaaladaha sida multiple myeloma iyo dysproteinaemias kale, borotiinada aan caadiga ahayn waxay la xiriiraan calcium-ka si ka duwan albumin-ka — saxidu kuma habboona xaaladahan.
- Yaraanta albumin-ka oo daran (albumin < 2 g/dL): Saxnaanta saxidu si weyn ayay hoos ugu dhacaysaa; cabbir calcium-ka firfircoon si toos ah.