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Variable Analytes
Patient variables that affect chemistry values
Question | Answer |
---|---|
Age | 1. Albumin 2. Alkaline phosphatase 3. Phosphorus 4. Cholesterol |
Gender | 1. Albumin 2. Alkaline phosphatase 3. Creatinine 4. Uric acid |
Diurnal Variations | ↑ in AM: 1.ACTH; 2.Cortisol 3.Fe ↑ in PM: 1.Growth hormone 2.PTH 3.TSH |
Recent food ingestion | ↑ 1.Glucose 2.Insulin 3.Tryglicerides 4.Gastrin ↓ 1.Cl 2.PO4 3.K |
False positive vanillymandelic acid (VMA) | 1.bananas 2.Vanilla |
False increase corisol | Caffeine |
Alcohol affects 2 following analytes | 1.↑Tryglicerides 2.↑Gamma glutamil transaminase (GGT) |
Posture (standing) | 1.↑Albumin 2.↑Cholesterol |
Activity | ↑ :1.CK,Lactic acid 2.Creatinine 3.Protein 4.AST 5.LD (lactate dehydrogenase) ↓ :1.Cholesterol 2.Tryglicerides |
Stress | ↑ 1.ACTH 2.Cortisol 3.Catecholamines |