GPT and atrial fibrillation: Plasma glucose:- Fed n-↑- Fasted n-↓Plasma galactose ±Plasma uric acid ↑Serum:- AST/ALT n -↑- Cholesterol n -↑- Triglycerides n -↑- AF n -↑Urine:- Glucose ↑-↑↑↑- Calcium n -↑- Phosphate n -↑- Amino acids n -↑