In a person whose metabolic pathway is intact, this sequence of blood sugar rise and lowering of the blood sugar happens smoothly without any drama. The 2nd phase insulin response to the high blood sugar is expected to bring blood sugar back down to normal levels. If the first phase of insulin does not lower blood sugar to the desired level, then a 2nd release takes place 20 minutes later. The 1st release should do the job of lowering blood sugar back to below 100mg/dl (5.5mmol/l). The release of insulin happens in pulses. Once that happens, insulin is released into the blood stream. Insulin is just there waiting to be released when the call comes along.Īnd “ the call” comes along once blood sugar rises above 100mg/dl (5.5mmol/l). Insulin is like a firefighter waiting at the fire station waiting for a call to put out fire in a building. Yes, your pancreatic beta cells store insulin inside them ready for action when needed. The beta cells respond by releasing the stored insulin hormone inside them into the blood stream to lower blood sugar. Once your blood sugar rises above 100mg/dl (5.5mmol/l), the beta cells in your pancreas receive an alarm call to lower blood sugar back down to normal. The glucose is absorbed from the intestines into the blood stream. Usually this refers to a carbohydrate meal which is broken down to glucose. The food is broken down to smaller units by the process of digestion. It’s a crash! What happens in blood sugar spikes and crashes? If you are having sugar crash symptoms and your sugar is below 72mg/dl (4.0mmol/l), then it makes sense to act. You, on the other hand may be hitting rock bottom at such a level with nasty symptoms of blood sugar crash. I, for instance can still function reasonably well with blood sugar level of 63mg/dl (3.5mmol/l). People respond differently to low blood sugar levels differently. Now, what is a blood sugar crash?Ī blood sugar crash is when your blood sugar level takes a nose-dive below 72mg/dl (4.0mmol/l). Does the definition of a blood sugar spike make sense to you now? I hope so. That will constitute a blood sugar spike. So, for instance, if 1 hour after your meal, your blood sugar is 180mg/dl (10mmol/l), that is well over the recommended 1-hour post-meal level of 140 mg/dl (7.8mmol/l). You should see the target as a ceiling rather than something to aim for. So, if your blood sugar overshoots above that recommended target, then that is a blood sugar spike. The recommended blood sugar target levels are shown in the image below. The American College of Clinical Endocrinologists has a recommended target blood sugar level for when we are fasting, blood sugar level at 1 hour after we eat and target blood sugar 2 hours after a meal. In simple terms, a blood sugar spike is one that overshoots beyond the expected target blood sugar for the index event. Yes, there are a few other causes besides diet but for the most part, diet is to blame for blood sugar spikes and crashes. It’s easy to point the finger at our bodies but we should ideally be pointing the finger at the kinds of foods we eat, if blood sugar spikes and crashes are a frequent occurrence.Ī blood sugar high followed by a blood sugar low is invariably the result of dietary choices. Why can’t my blood sugar stay in the normal zone? It’s like your body doesn’t know what it wants to do.īlood sugar high one minute, then low the next. Don’t you just hate it when that happens to you. Well, in a nutshell, you are going to get the know-how on what a blood sugar spike is, what a blood sugar crash is, why your blood sugar actually spikes and crashes, the event, what triggers a blood sugar crash, the symptoms of blood sugar crash and how to prevent a blood sugar crash.īlood sugar spikes and crashes. What do you get on this page regarding blood sugar spikes and crashes?
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