Guidelines for Referrers to NHS Tayside Eating Disorder Service
NHS Tayside RefGuide
Warning
Risk guideline
| System | Investigation | Moderate Risk | High Risk |
| Nutrition | BMI | <14 | <12 |
| Weight loss/week | >0.5kg | >1.0kg | |
| Skin breakdown | <0.1cm | >0.2cm | |
| Purpuric rash | Absent | Present | |
| Albumin | <35 | <32 | |
| Creatinine Kinase | >170 | >250 | |
| Glucose | <3.5 | <2.5 | |
| Bone marrow | Hb | <11 | <9 |
| Acute Hb drop | Absent | Present | |
| Neutrophil count | <1.5 | <1.0 | |
| Platelets | <130 | <110 | |
| WCC | <4 | <2 | |
| Liver | Alk phos | >110 | >200 |
| ALT | >45 | >90 | |
| AST | >40 | >80 | |
| Bilirubin | >20 | >40 | |
| GGT | >45 | >90 | |
| Salt/Water balance | K+ | <3.5 | <3.0 |
| Mg++ | 0.5-0.7 | <0.5 | |
| Na+ | <135 | <130 | |
| PO4-- | 0.5-0.8 | <0.5 | |
| Urea | >7 | >10 | |
| Differential diagnosis | CRP, TFT | ||
| Circulation | Systolic BP | <90 | <80 |
| Diastolic BP | <70 | <60 | |
| Postural drop | >10 | >20 | |
| Pulse rate | <50 | <40 | |
| Musculoskeletal | Squat test | Unable to rise without arms for balance | Unable to rise without arms for leverage |
| Sit up test | Unable to sit up without arms for leverage | Unable to sit up at all | |
| Temperature | <35.0C/98F | <34.5C/97F | |
| Arrhythmias | Absent | Present | |
| QTc | <440ms | >440ms |