如何计算Carb Counting
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Carbohydrate counting estimates grams of carbs in food, used to calculate meal-time insulin doses in diabetes management.
分步指南
- 1Identify carbohydrate sources: grains, fruits, dairy, starchy vegetables, sugars
- 2Estimate portion size using exchanges or grams
- 3Use insulin-to-carb ratio to calculate insulin dose
例题解析
输入
1 slice bread (15g), 1 apple (15g), 1 cup milk (12g) = 42g total carbs
结果
If ratio 1:10, give 4.2 units rapid insulin
Plus correction for BG
常见错误注意事项
- ✕Forgetting high-fat foods delay carb absorption
- ✕Confusing net carbs with total carbs
常见问题
Why count carbs but not other macros?
Carbs most directly raise blood sugar; proteins and fats have smaller, delayed effects.
How accurate must carb counting be?
Generally ±10-15% acceptable; close enough for insulin dosing without perfection.
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