What is Ketoacidosis? + Causes, Signs & Symptoms

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What is Ketoacidosis? + Causes, Signs & Symptoms
ABOUT CAUSES DIAGNOSIS TREATMENT

Diabetic ketoacidosis (DKA) is a serious health problem that can happen if you have diabetes. It happens when chemicals called ketones build up in the blood.

Normally, the cells of your body take in and use sugar (glucose) as a source of energy. Glucose moves through the body in the blood.

Insulin is a hormone that helps your cells take in the glucose from the blood. If you have diabetes, your cells can’t take in and use this glucose in a normal way.

This may be because your body doesn’t make enough insulin. Or it may be because your cells don’t respond to it normally.

As a result, glucose builds up in your blood and doesn’t reach your cells. Without glucose to use, your body's cells burn fat instead of glucose for energy. When cells burn fat, they make ketones. High levels of ketones can poison the body.

High levels of glucose can also build up in your blood and cause other symptoms. Ketoacidosis also changes the amount of other substances in your blood. These include electrolytes such as sodium, potassium, and bicarbonate.

This can lead to other problems.

Ketoacidosis happens most often in a person with type 1 diabetes. This is a condition where the body does not make enough insulin. In rare cases, ketoacidosis can happen in a person with type 2 diabetes. It can happen when they are under stress, such as when they are sick. Or when they have taken certain medicines that change how their bodies handle glucose.

DKA is pretty common. It is more common in younger people. Women have it more often than men.

High levels of ketones and glucose in your blood can cause ketoacidosis. This might happen if you:

  • Don’t know you have diabetes, and your body is breaking down too much fat
  • Know you have diabetes but you aren’t treating it. Or if you don’t take your medicines as you should.
  • Have a sudden health problem, such as a heart attack, pneumonia, or urinary tract infection
  • Take certain medicines such as prednisone, dexamethasone, or other glucocorticoid medicines. Or if you take a certain class of diabetes medicines called SGLT-2 inhibitors.
  • Have an insulin pump and it's not working
  • Take illegal drugs, such as cocaine

DKA happens mainly from not having enough insulin. It can also happen if your cells don’t respond to insulin normally.

Symptoms often show up quickly over a 24-hour period. They may vary depending on the severity of your ketoacidosis and how long you have had it. Symptoms can include:

  • Feeling very thirsty and drinking a lot
  • Urinating much more than normal
  • Belly pain
  • Nausea or vomiting
  • Fruity smelling breath from the ketones
  • Trouble thinking clearly
  • Extreme tiredness (fatigue) and lethargy that can lead to coma
  • Fast heartbeat (particularly when standing) and other signs of fluid loss (dehydration)

Your healthcare provider will ask about your health history and your symptoms. He or she will also give you an exam.

You will have blood tests to look for ketones and check your glucose levels. Your urine may also be tested for these things. You may also have blood tests to check:

  • The number of particles dissolved in your blood (plasma osmolarity)
  • The concentration of certain electrolytes in your blood, sodium and potassium, and bicarbonate
  • The number of red and white blood cells in your blood
  • Your kidney function

You also might need an electrocardiogram (EKG) to check your heart rhythm. This is because changed electrolyte levels in the blood can cause problems with your heart.

DKA needs to be treated right away in the hospital. Your healthcare provider will need to replace the large amount of fluids that you have lost. This is most often done through an IV.

You will also be given insulin. This will let your cells start using more glucose. This will help lower the levels of both ketones and sugar in your blood. You will ly also be given electrolytes, as these are often low as well.

If you have an illness that caused your ketoacidosis, your healthcare provider will treat that as well. For example, you may be given antibiotics for an infection.

You will need to have more blood tests during your treatment. This is so your healthcare provider can watch your condition and change your treatment as needed.

DKA can cause complications such as:

  • Low levels of potassium (hypokalemia)
  • Swelling inside the brain (cerebral edema)
  • Fluid inside your lungs (pulmonary edema)
  • Damage to your kidney or other organs from your fluid loss

Very low potassium levels can cause severe problems. These include muscle weakness and heart rhythm problems. This may cause death. Cerebral and pulmonary edema can also lead to death. Your healthcare team will work to prevent these complications. They will watch you closely and carefully adjust your treatment.

You can greatly lower your chances of getting ketoacidosis by managing your diabetes well. This includes taking all your medicines, including your insulin, as you are told. Measure your blood sugar often to make sure it is not too high or too low.

If you are sick, you may need to talk with your healthcare provider about changing your insulin dose for a short time. You might need more insulin than normal when you are sick. Call your healthcare provider if your blood sugar is high, or if you have symptoms.

This may help prevent more severe ketoacidosis.

See your healthcare provider right away if you have symptoms of DKA, such as:

  • Feeling very thirsty and drinking a lot
  • Urinating much more than normal
  • Belly pain
  • Nausea or vomiting
  • Fruity smelling breath from ketones
  • Trouble thinking clearly
  • Extreme tiredness (fatigue) and lethargy that can lead to coma
  • Fast heartbeat (particularly when standing) and other signs of fluid loss (dehydration)

Call your healthcare provider right away if your blood sugar readings are higher than expected. When you call, have a list of your recent blood sugar numbers. Also have a list of your insulin history.

This includes doses and times you’ve used it. And, have a list of all the medicines you take. Your healthcare provider may tell you how to adjust your medicines over the phone.

Or you may need to go to his or her medical office or the emergency room.

Key points about diabetic ketoacidosis

  • Diabetic ketoacidosis (DKA) is a serious condition that can happen to people with diabetes. It needs treatment right away.
  • Ketones and glucose can rise to very high levels in your blood. This can cause a lot of fluid loss and other problems.
  • DKA happens most often in people with type 1 diabetes. It can also happen to people with type 2 diabetes who have an illness or other health condition.
  • Your healthcare provider can diagnose you with a health history, exam, and blood and urine tests of your sugar and ketone levels.
  • Ketoacidosis is treated by replacing fluids and electrolytes and giving insulin.

Tips to help you get the most from a visit to your healthcare provider:

  • Know the reason for your visit and what you want to happen.
  • Before your visit, write down questions you want answered.
  • Bring someone with you to help you ask questions and remember what your provider tells you.
  • At the visit, write down the name of a new diagnosis, and any new medicines, treatments, or tests. Also write down any new instructions your provider gives you.
  • Know why a new medicine or treatment is prescribed, and how it will help you. Also know what the side effects are.
  • Ask if your condition can be treated in other ways.
  • Know why a test or procedure is recommended and what the results could mean.
  • Know what to expect if you do not take the medicine or have the test or procedure.
  • If you have a follow-up appointment, write down the date, time, and purpose for that visit.
  • Know how you can contact your provider if you have questions.

Source: https://www.cedars-sinai.org/health-library/diseases-and-conditions/d/diabetic-ketoacidosis.html

DKA (Ketoacidosis) & Ketones

What is Ketoacidosis? + Causes, Signs & Symptoms

Diabetic ketoacidosis (DKA) is a serious condition that can lead to diabetic coma (passing out for a long time) or even death.

When your cells don't get the glucose they need for energy, your body begins to burn fat for energy, which produces ketones. Ketones are chemicals that the body creates when it breaks down fat to use for energy.

The body does this when it doesn’t have enough insulin to use glucose, the body’s normal source of energy. When ketones build up in the blood, they make it more acidic.

They are a warning sign that your diabetes is control or that you are getting sick.

High levels of ketones can poison the body. When levels get too high, you can develop DKA. DKA may happen to anyone with diabetes, though it is rare in people with type 2. 

Treatment for DKA usually takes place in the hospital. But you can help prevent it by learning the warning signs and checking your urine and blood regularly.

What are the warning signs of DKA?

DKA usually develops slowly. But when vomiting occurs, this life-threatening condition can develop in a few hours. Early symptoms include the following:

  • Thirst or a very dry mouth
  • Frequent urination
  • High blood glucose (blood sugar) levels
  • High levels of ketones in the urine

Then, other symptoms appear:

  • Constantly feeling tired
  • Dry or flushed skin
  • Nausea, vomiting, or abdominal pain
    (Vomiting can be caused by many illnesses, not just ketoacidosis. If vomiting continues for more than 2 hours, contact your health care provider.)
  • Difficulty breathing
  • Fruity odor on breath
  • A hard time paying attention, or confusion

Ketoacidosis (DKA) is dangerous and serious. If you have any of the above symptoms, contact your health care provider IMMEDIATELY, or go to the nearest emergency room of your local hospital.

How do I check for ketones?

You can detect ketones with a simple urine test using a test strip, similar to a blood testing strip. Ask your health care provider when and how you should test for ketones. Many experts advise to check your urine for ketones when your blood glucose is more than 240 mg/dl.

When you are ill (when you have a cold or the flu, for example), check for ketones every 4 to 6 hours. And check every 4 to 6 hours when your blood sugar is more than 240 mg/dl.

Also, check for ketones when you have any symptoms of DKA.

What if I find higher-than-normal levels of ketones?

If your health care provider has not told you what levels of ketones are dangerous, then call when you find moderate amounts after more than one test. Often, your health care provider can tell you what to do over the phone.

Call your health care provider at once if you experience the following conditions:

  • Your urine tests show high levels of ketones.
  • Your urine tests show high levels of ketones and your blood glucose level is high.
  • Your urine tests show high levels of ketones and you have vomited more than twice in four hours.

Do NOT exercise when your urine tests show ketones and your blood glucose is high. High levels of ketones and high blood glucose levels can mean your diabetes is control. Check with your health care provider about how to handle this situation.

What causes DKA?

Here are three basic reasons for moderate or large amounts of ketones:

  • Not enough insulin
    Maybe you did not inject enough insulin. Or your body could need more insulin than usual because of illness.
  • Not enough food
    When you're sick, you often don't feel eating, sometimes resulting in high ketone levels. High levels may also occur when you miss a meal.
  • Insulin reaction (low blood glucose)
    If testing shows high ketone levels in the morning, you may have had an insulin reaction while asleep.

Source: https://www.diabetes.org/diabetes/complications/dka-ketoacidosis-ketones

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