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What Is The Test For Low Blood Sugar

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Does Everyone Have Symptoms From Hypoglycemia

Symptoms of low blood glucose and how to spot it

Some people dont have symptoms or dont notice them. Healthcare providers call that situation hypoglycemia unawareness. People with such a challenge arent aware when they need to do something about their blood sugar. Theyre then more likely to have severe episodes and need medical help. People with hypoglycemia unawareness should check their blood sugar more often.

A1c Blood Sugar Tests

The A1C test measures the percentage of glucose bound hemoglobin in a persons blood.

According to The National Institutes of Health , this gives a general picture of a persons blood glucose levels over the past 23 months .

Abnormal A1C test results do not necessarily mean a person has diabetes. A doctor will confirm these findings with another blood glucose test.

The doctor may recommend running more tests, such as blood work, to rule out other conditions that can affect blood sugar levels.

How Do I Treat An Episode Of Hypoglycemia

The American Diabetes Association recommends the 15-15 rule for an episode of hypoglycemia:

  • Eat or drink 15 grams of carbs to raise your blood sugar.
  • After 15 minutes, check your blood sugar.
  • If its still below 70 mg/dL, have another 15 grams of carbs.
  • Repeat until your blood sugar is at least 70 mg/dL.

If you have symptoms of hypoglycemia but cant test your blood sugar, use the 15-15 rule until you feel better.

Note: Children need fewer grams of carbs. Check with your healthcare provider.

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How To Test Blood Sugar

People with diabetes usually check their blood sugar levels themselves. However, its a good idea to have a roommate, friend, or family member also know how to do it if you are sick and cant do it yourself.

To use a blood sugar meter, follow these steps:

  • Wash your hands.
  • Insert a test strip into the meter.
  • Obtain a drop of blood by pricking the side of your fingertip with the device.
  • Place the edge of the test strip to the blood and await the results to appear on the display.
  • If you are interested in CGM, you should talk to your healthcare provider since these are prescription devices. To use CGM, follow these steps:

  • Place the sensor under the skin on your belly or arm.
  • Most CGM devices check glucose levels every five minutes, around the clock. You dont need to do anything for this to occur.
  • View the information that the sensor transmits. This data may go to a separate receiver, your cellphone, or an insulin pump.
  • You will also need to change the sensors on the CGM regularly, usually every one to two weeks.

    How Often Should I Test My Blood Sugar Level

    High Blood sugar levels could descend your memory levels

    Your family doctor will recommend how often you should test. Testing times are based on the kind of medicine you take and on how well your blood sugar levels are controlled. Youll probably need to check your blood sugar more often at first. Youll also check it more often when you feel sick or stressed, when you change your medicine, or if youre pregnant.

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    How To Use Blood Glucose Testing Results

    It’s not unusual for your blood glucose results to be out of range now and then. But if you see a pattern of highs or lows outside your target range, you may want to ask yourself:

    • Did I eat at an unusual time, have a larger or smaller portion, or try a new food?
    • Did I have more or less physical activity than usual?
    • Did I forget to take my medication, take it at the wrong time, take too little or too much?
    • Am I taking a new medication?
    • Am I stressed about something?
    • Do I have an infection or an illness?
    • Did I drink alcohol?

    Any of these can have an impact on your blood glucose numbers. If you’re making changes to your lifestyle, or if you can’t figure out why you’ve been out of range, talk to your doctor, nurse or diabetes educator.

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    1American Diabetes Association. Standards of medical care in diabetes2016 Abridged for primary care providers . Diabetes Care. 2016 34: 3-21. Available at: . Accessed April 26, 2019.

    2Polonsky WH, et al. Structured self-monitoring of blood glucose significantly reduces A1C levels in poorly controlled, noninsulin-treated type 2 diabetes: results from the Structured Testing Program study. Diabetes Care. 2011 34:262-267. Accessed April 26, 2019.

    4Talk with your healthcare professional before deciding if alternate site testing is right for you.

    What Happens During A Blood Glucose Test

    A health care professional will take a blood sample from a vein in your arm, using a small needle. After the needle is inserted, a small amount of blood will be collected into a test tube or vial. You may feel a little sting when the needle goes in or out. For some types of glucose blood tests, you will need to drink a sugary drink before your blood is drawn.

    If you have diabetes, your health care provider may recommend a kit to monitor your blood sugar at home. Most kits include a device to prick your finger . You will use this to collect a drop of blood for testing. There are some newer kits available that dont require pricking your finger. For more information on at-home test kits, talk to your health care provider.

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    When Should You Check Your Blood Sugar Levels

    Its important that people who suspect they have diabetes or pre-diabetes monitor their glucose levels regularly, checking at least once daily and charting the results in order to know what is normal for themselves. If it seems like something isnt quite right with ones blood glucose. It may be time to talk to a doctor about getting a diabetes diagnosis. Its also important that parents make sure their children are well aware of any symptoms of high or low blood sugar. So they know when they need to alert an adult about what might be going on if their parents are not around.

    What Can Cause Low Blood Sugar Levels

    What is A Normal Blood Glucose?

    Some things that can make low blood sugar levels more likely are:

    • skipping meals and snacks
    • not eating enough food during a meal or snack
    • exercising longer or harder than usual without eating some extra food
    • getting too much insulin
    • not timing the insulin doses properly with meals, snacks, and exercise

    Also, some things may increase how quickly insulin gets absorbed into the bloodstream and can make hypoglycemia more likely. These include:

    • taking a hot shower or bath right after having an insulin injection increases blood flow through the blood vessels in the skin, which can make the insulin be absorbed more quickly than usual
    • injecting the shot into a muscle instead of the fatty layer under the skin
    • injecting the insulin into a part of the body used a lot in a particular sport .

    All of these situations increase the chances that a person may get hypoglycemia.

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    What Are The Symptoms Of Hypoglycaemia

    Symptoms of mild to moderate hypoglycaemia may include one or more of the following:

    • looking pale
    • rapid change in behaviour or irritability
    • confusion
    • blurred vision.

    Over time you come to recognise the feelings you get when your blood glucose goes low. However, if you have had diabetes for a long time, you may not get any symptoms when your blood glucose goes low.

    Oral Glucose Tolerance Test

    This test is not now usually used to diagnose diabetes. However, the test may be done if it is thought your body doesn’t control glucose levels normally but not badly enough to be called diabetes. This is referred to as pre-diabetes . The test may also be used to see whether a woman has developed diabetes associated with pregnancy.

    For this test, you fast overnight. In the morning you are given a drink which contains 75 g of glucose. A blood sample is taken two hours later. Normally, your body should be able to deal with the glucose and your blood level should not go too high. A glucose level of 11.1 mmol/L or more in the blood sample taken after two hours indicates that you have diabetes. See the separate leaflet called Glucose Tolerance Test for more details.

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    Normal Range Of Blood Sugar Levels

    The normal range of blood glucose levels for individuals with diabetes is between 80 and 130 milligrams per deciliter . When levels are too low, the person may experience hypoglycemia, which is characterized by shakiness, sweating, dizziness, or confusion. When blood sugar levels are too high, the person may experience hyperglycemia, which is characterized as extreme thirst and urination and blurred vision. Blood glucose levels can be checked by pricking a finger to get a drop of blood and putting it on a glucose meter.

    The normal blood sugar range is between 80-120 mg/dL .

    What Is The Normal Range For Blood Sugar

    Diabetic Tests Blood Sugar Level Photograph by Saturn ...

    In general, the American Diabetes Association’s recommended blood sugar levels are9:

    • Between 70 and 130 mg/dL before meals
    • Less than 180 mg/dL after meals

    Your range is yours alonebased on your health, age, level of activity and other factors. And remember that your target is a range you’d like to stay within, not a single number.

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    What Can Happen If Low Blood Sugar Isnt Treated

    If low blood sugar goes untreated, it can result in severe hypoglycemia – this is considered a serious emergency and is treated with glucagon – a hormone that can help to raise your blood sugar levels.

    Signs and symptoms of severe hypoglycemia include :

    • Weakness
    • Confusion
    • Slurred speech or clumsiness

    Its important to remember that severe hypoglycemia is a medical emergency and should be treated like so. If you dont have access to glucagon, get in touch with your health care provider or the emergency services.

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    Can I Check My Own Blood Sugar

    You can do blood sugar level check by doing a finger-prick test, by using a blood sugar monitor called a flash glucose monitor or with a continuous glucose monitor . You can do this several times a day helping you keep an eye on your levels as you go about your life and help you work out what to eat and how much medication to take. Find out your ideal target range.

    Not everyone with diabetes needs to check their levels like this. Youll need to if you take certain diabetes medication. Always talk to your healthcare team if youre not sure whether thats you theyll give you advice on whether to check them yourself and how often.

    And theres also something called an HbA1c, which is a blood test to measure your average blood sugar level over the last three months. Everyone with diabetes is entitled to this check.

    High blood sugar levels increase your risk of developing serious complications. However you manage your diabetes, stay in the know about your blood sugar levels

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    Check Your Blood Sugar Often

    Regularly checking your blood sugar level can help you keep it in your target range. If youve had low blood sugar episodes in the past, you may want to check your blood sugar levels before driving or operating machinery.

    Talk with your doctor about when and how often you should check your blood sugar.

    Key Points About Hypoglycaemia

    fasting blood sugar test
  • Hypoglycaemia needs to be treated right away to prevent the risk of unconsciousness.
  • Treatment is to have 10 to 15g of a quick-acting carbohydrate immediately, then retest your glucose level in 10 minutes. If it is above 4 mmol/L, have a carbohydrate snack . If it is still below 4 mmol/L, repeat the glucose and retest in 10 minutes.
  • If you have type 1 diabetes, low blood glucose can occur due to having too much insulin or not enough food.
  • If you have type 2 diabetes, you should only be at risk of hypoglycaemia if you are taking insulin or sulphonylurea tablets for your diabetes and miss or delay your meal.
  • With both type 1 or type 2 diabetes, if you are getting hypos often talk to your GP, nurse or diabetes specialist.
  • It is recommended that people with diabetes wear a medical alert bracelet this can alert people you may have hypoglycaemia if you are unable to ask for help.
  • Severe hypoglycaemia is a medical emergency. Call 111 and ask for an ambulance if someone has a blood glucose level less than 4 mmol/l and any one of the following:
    • is extremely drowsy or disorientated
    • is unconscious
    • is having a convulsion .

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    Things To Do If You Have Diabetes

    Common things that people with diabetes should avoid include eating lots of simple sugars, eating too much food for the activity theyve performed recently, and not following medication or exercise plans.

    Some things that can be harmful to people with diabetes are smoking cigarettes, drinking alcohol in excess, and eating large portions of unhealthy foods.

    The person should maintain a healthy diet and exercise regularly. The doctor may also recommend taking insulin or other medications to manage their blood sugar levels.

    Nighttime Low Blood Sugar

    While low blood sugar can happen at any time during the day, some people may experience low blood sugar while they sleep. Reasons this may happen include:

    • Having an active day.
    • Being physically active close to bedtime.
    • Taking too much insulin.
    • Drinking alcohol at night.

    Eating regular meals and not skipping them can help you avoid nighttime low blood sugar. Eating when you drink alcohol can also help. If you think youre at risk for low blood sugar overnight, have a snack before bed.

    You may wake up when you have low blood sugar, but you shouldnt rely on that. A continuous glucose monitor can alert you with an alarm if your blood sugar gets low while youre sleeping.

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    Preventing A Low Blood Sugar Level

    If you have diabetes, you can reduce your chance of getting a low blood sugar level if you:

    • Check your blood sugar level regularly and be aware of the symptoms of a low blood sugar level so you can treat it quickly.
    • Always carry a sugary snack or drink with you, such as glucose tablets, a carton of fruit juice or some sweets. If you have a glucagon injection kit, always keep it with you.
    • Do not skip meals.
    • Be careful when drinking alcohol. Do not drink large amounts, check your blood sugar level regularly, and eat a carbohydrate snack afterwards.
    • Be careful when exercising eating a carbohydrate snack before exercise can help to reduce the risk of a hypo. If you take some types of diabetes medicine, your doctor may recommend you take a lower dose before or after doing intense exercise.
    • Have a carbohydrate snack, such as toast, if your blood sugar level drops too low while you’re asleep

    If you keep getting a low blood sugar level, talk to your diabetes care team about things you can do to help prevent it.

    How Do I Check My Blood Sugar

    Blood Sugar Test: Purpose, Procedure, and Results

    You use a blood glucose meter to check your blood sugar. This device uses a small drop of blood from your finger to measure your blood sugar level. You can get the meter and supplies in a drug store or by mail.

    Read the directions that come with your meter to learn how to check your blood sugar. Your health care team also can show you how to use your meter. Write the date, time, and result of the test in your blood sugar record. Take your blood sugar record and meter to each visit and talk about your results with your health care team.

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    How Can I Prevent Hypoglycemia

    You may need to change what and when you eat to prevent low blood sugar levels. Follow the meal plan that you and the dietitian have planned. The following guidelines may help you keep your blood sugar levels under control.

    • Eat 5 to 6 small meals each day instead of 3 large meals. Eat the same amount of carbohydrate at meals and snacks each day. Most people need about 3 to 4 servings of carbohydrate at meals and 1 to 2 servings for snacks. Do not skip meals. Carbohydrate counting can be used plan your meals. Ask your healthcare provider or dietitian for information about carbohydrate counting.
    • Limit refined carbohydrates. Examples are white bread, pastries , regular sodas, syrups, and candy.
    • Do not have drinks or foods that contain caffeine. Examples are coffee, tea, and certain types of sodas. Caffeine may cause you to have the same symptoms as hypoglycemia, and may cause you to feel worse.
    • Limit or do not drink alcohol. Women should limit alcohol to 1 drink a day. Men should limit alcohol to 2 drinks a day. A drink of alcohol is 12 ounces of beer, 5 ounces of wine, or 1½ ounces of liquor. Do not drink alcohol on an empty stomach. Drink alcohol with meals to avoid hypoglycemia.
    • Include protein foods and vegetables in your meals. Some foods that are high in protein include beef, pork, fish, poultry , beans, and nuts. Eat a variety of vegetables with your meals.

    What Happens If Blood Sugar Level Is Too High

    If your blood sugar levels are too high then you risk developing diabetes. You can develop cardiovascular disease and nerve damage. With diabetes, the glucose in your blood does not reach your cells and can lead to these and other complications. Adding exercise and eating healthy can help to control your diabetes and prevent secondary diseases.

    You may develop diseases and disabilities in the future, such as cardiovascular disease and nerve damage, if you have diabetes.

    If your blood sugar levels are high then you can develop diabetes and risk developing cardiovascular diseases and nerve damage. Doing exercise and eating healthy is important to control your diabetes and prevent secondary diseases.

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