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Diabetes glossary for beginners.
Understand common diabetes terms.
- An annual review is an essential check of your health that everyone with diabetes should have once a year. It includes various blood tests and physical examinations and also offers an opportunity to chat with your diabetes healthcare team about your diabetes and any issues relating to it.
- Autoimmune is where your body’s cells are attacked by your immune system. This is seen in Type 1 diabetes, as the insulin-producing cells of the pancreas are destroyed by your own immune system, leading to loss of insulin production.
- Beta cells are cells in the islets of your pancreas that produce insulin.
- Blood glucose level is the amount of glucose in your blood and is usually measured in mg/dl or mmol/l.
- Blood glucose meters are small, hand-held, electronic machines (biosensors) that your diabetes care team and you can use to test your current blood glucose level.
- Blood Pressure is the amount of force exerted by your blood against the walls of your arteries. Two things are measured when your blood pressure is taken. The units are expressed in millimetres of mercury, for example, 120/70 mmHg. The systolic pressure is the top number and is the pressure in the arteries when the heart is forcing blood through them. The diastolic pressure is the bottom number and is the pressure in the arteries when the heart relaxes.
- Blood glucose test strips are the test strips used with a blood glucose meter. You insert a strip into a blood glucose meter, prick your finger and place the blood sample on the strip. The meter reads the strip and gives your current blood glucose level.
- Body Mass Index (BMI) is an expression of adult weight in relation to height and is equal to weight (in kg) / height2 (in meters). The healthy range for BMI is typically 18-25.
- Carbohydrates come from food that we digest. During digestion, carbohydrates are broken down into glucose. They are the main source of energy in our diet and include all sugars and starches, for example, pasta, bread, rice and potatoes.
- Cardiovascular disease (CVD) refers to diseases of the heart and circulatory system, including coronary heart disease (CHD) and stroke.
- Cholesterol is present in certain foods and is also produced by your liver. There are two types of cholesterol, HDL, which is good, and LDL, which is bad. Your cholesterol profile should be checked regularly by your care team to ensure the levels are within a healthy range.
- Dextrose is pure glucose.
- Diabetic ketoacidosis (DKA) is a dangerous condition is caused by blood turning acidic from a high level of ketones being . released into your blood. It occurs as a result of high blood glucose (sugar) levels and too little insulin.
- Diabetes mellitus is a condition in which the amount of glucose (sugar) in the blood is too high because the body cannot use it properly.
- Diabetes specialist nurses (DSNs) are key to your care plan and are nurses with specialist training in diabetes.
- Diabetologists are doctors specializing in diabetes.
- Diet is an important part of the management of your diabetes. You should eat a healthy, balanced diet that is low in saturated fat, salt and sugar, and high in fruit and vegetables.
- Dietitians can offer you specialist advice on healthy eating and the impact of different foods on your diabetes control.
- Erectile dysfunction (or impotence) is the inability to get and/or keep an erection for sexual intercourse and can be caused by diabetes. This is because of poor blood supply to the penis and/or nerve damage caused by diabetes complications.
- Fasting blood glucose is a blood glucose test taken after an 8 hour fast, usually in the morning, and is used when diagnosing diabetes.
- Gestational diabetes is a type of diabetes discovered during pregnancy (usually during the second or third trimester) and occurs if the body does not produce enough insulin to meet the extra needs of pregnancy. The symptoms usually disappear after childbirth, but there is an increased risk of acquiring Type 2 diabetes later on in life.
- Glucagon is a hormone produced in the pancreas, which raises the blood glucose level. It is produced in the alpha cells in the islets of Langerhans in your pancreas. Glucagon can be given by injection to reverse severe hypoglycaemia.
- Glucose is a simple type of sugar that comes from the digestion of starchy foods (bread, rice, potatoes, chapatis, plantain, etc.), from sugar and sweet foods, and from the liver that makes glucose.
- Glycaemic index (GI) this is a method used to rank foods according to how they affect blood glucose levels. Low GI foods are better for everyone, especially diabetics.
- HbA1c is a blood test showing how much glucose has bound to your red blood cells over the previous two to three months and is a good indicator on overall glucose control. It is usually expressed as a percentage.
- Hyperglycaemia (or a ‘hyper’) means high blood glucose levels.
- Hypoglycaemia (or a ‘hypo’) means low blood glucose levels (less than 4 mmol/l).
- Hypertension means high blood pressure, which can lead to stroke, heart problems and kidney disease.
- Impaired glucose tolerance (IGT) and Impaired fasting glycaemia (IFG) are conditions where glucose levels are higher than normal, but not high enough to diagnose diabetes. People with IGT or IFG have an increased risk of cardiovascular disease and may go on to develop Type 2 diabetes.
- Insulin is a hormone produced naturally in humans and animals in the beta cells of the pancreas. Insulin helps glucose in the blood enter your body’s cells where it is used as fuel by your body.
- Insulin resistance is where your body is unable to make proper use of insulin due to a lack of sensitivity at a cellular level. This affects all cells in the body equally.
- Juvenile diabetes is diabetes in childhood and adolescence.
- Ketone test strips test for the presence of ketones (see diabetic ketoacidosis).
- Lancets are needed for blood glucose testing. You insert them into a finger-pricking device to prick your finger to obtain a drop of blood, which is then used for a blood glucose test.
- Lipids are fatty substances in the blood, for example, cholesterol and triglycerides.
- Long-acting insulin is insulin with a very long action time, up to 24 hours.
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- Maturity-onset diabetes of the young (MODM) is a rare type of diabetes that develops before the age of 25, runs in families and can often be controlled by diet and physical activity alone, or by activity and tablets.
- Microalbuminuria is the presence of small amounts of protein in the urine. The protein appears during the first stages of kidney disease.
- Multiple injections treatment is a treatment with injections of short or fast acting insulin before meals and intermediate or long-acting insulin usually used before bedtime.
- Nephropathy is a complication of diabetes that results from damage to the kidneys.
- Neuropathy is damage to the nerves, which carry messages to and from the brain and spinal cord. It is caused by many years of high blood glucose levels. The symptoms include pins and needles, and numbness or pain in the feet or hands.
- Ophthalmologists are doctors with special training in the diagnosis and treatment of diseases affecting the eyes.
- Optometrists are trained to perform eye examinations and test for eye problems. They do not treat eye disorders (see ophthalmologists).
- Oral Hypoglycemic Agents are also called diabetes tablets, there are several types: Sulphonylureas, Thiazolidinediones (Glitazones), Alpha-glucosidase inhibitors, Post-prandial glucose regulators, Biguanides
- The pancreas is the organ in your abdominal cavity that produces digestive enzymes (released into the intestine) and different hormones (released in your blood) including insulin.
- Physical activity is an important part of managing diabetes as it helps to lower blood glucose levels.
- Podiatrists (also called chiropodists) are healthcare professionals with expert knowledge in feet and foot care. Foot care is very important for a person living with diabetes and can help prevent/treat foot ulcers and prevent amputations.
- Proteinuria refers to large amounts of protein in the urine and can be due to kidney damage from having high blood glucose levels. It is detectable by routine dipsticks and generally a sign of more advanced kidney disease.
- Retinopathy is a complication of diabetes that can lead to blindness and results from damage to the blood vessels in the back of the eye due to many years of high blood glucose levels.
- Retinal screening refers to regular eye examinations where the pupils are dilated to detect any early changes at the back of the eye, which could be signs of retinopathy. You should have your eyes examined at least once a year.
- Sensor is the name given to the test strip needed with your blood glucose monitor to test your blood glucose levels.
- Sharps are any sharp medical device, such as needles or lancets. After use, sharps need to be disposed of safely in a sharps bin.
- Subcutaneous is the fatty area under the skin. This is the area used when injecting insulin.
- Type 1 diabetes develops if the body is unable to produce any insulin. This type of diabetes usually appears before the age of 40. It is treated with a healthy diet, insulin injections and regular physical activity.
- Type 2 diabetes develops when the body can still make some insulin, but not enough, or when the insulin that is produced does not work properly (known as insulin resistance). This type of diabetes usually appears in people over the age of 40. It can be treated in a variety of ways: by diet and physical activity alone: by diet, physical activity and tablets: or by diet, physical activity and insulin injections.
- Urine test strips the method used before the availability of blood glucose testing to test for glucose. Urine testing only shows that your blood glucose level has been high, not what the level is.
- Venous blood test used to take a blood sample from a blood vessel (vein).
We all have questions.
Below are some of the answers to the most common questions that you need to know.
Which is worse – Type 1 or Type 2 Diabetes?
“Worse” is a harsh comparison. The difference between these two types of Diabetes is that Type 1 requires insulin, and it never goes away. Type 2 requires consistent effort and can be managed over your lifetime.
What is the normal HbA1C level?
It is generally accepted that you should maintain HbA1C below 8%. The following guidelines are suggested by the South African Diabetes Association:
- 4 – 6% Non-diabetic range.
- < 7% Well-controlled diabetic 7% – 8% Acceptable diabetic control > 8%
- Poor diabetic control needs attention.
What is the main cause of Diabetes?
Diabetes (Type 1) is usually a predisposed or genetically inherited condition. Diabetes (Type 2) is caused by lifestyle choices. Gestational Diabetes can be caused by either genetics or lifestyle choices.
What are the first signs of diabetes?
- Excessive thirst over a prolonged period.
- Increased frequency in the need to urinate.
- Significant weight loss or gain.
- You find yourself fatigued, tired, and irritable, on a regular basis.
- Open or ruptured wounds take a long time to heal.
- Blurred vision.
- Tingling sensations in your hands and feet.
Can you get life insurance if you have Diabetes?
Yes. AllLife can help you get up to R10million life insurance, as either a Type 1 or Type 2 Diabetic.
Can I test myself for Diabetes?
Although you can easily test your own blood glucose levels at any time, only your doctor, nurse, or clinic team can confirm a Diabetes diagnosis. This is because a series of specific tests are required for diagnosis.
Up to R10 million Life Cover for people living with Diabetes.
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What will I be covered for?
With just one phone call, you could be offered comprehensive Diabetic Life Cover and Diabetic Disability Cover (optional). A simple underwriting process is completed once you’ve signed up, usually consisting of common blood tests, to determine if full cover can be continued.
What happens after I‘m covered?
After you’re covered you can enjoy the benefit of our Health Control Programme where we remind and assist you when it comes to regular tests and checkups, ensuring that you live a healthy and happy life.
Remember, life cover gets more expensive as you get older, so your premium will never be lower than it is today.