To know

Bolus calculation

The Bolus calculation is the calculation of the amount of insulin needed with a meal or to correct elevated blood sugar. It is a central component of intensive insulin therapy (ICT)...

Time in Range (TIR)

Time in Range (TIR) is a modern measurement that indicates what percentage of the time the blood sugar level is within the individual target range. In contrast to the HbA1c...

Closed loop system (AID)

A Closed loop system (also Automated insulin delivery, AID) is currently (March 2026) the most advanced form of insulin therapy. It connects an insulin pump directly to a CGM sensor and...

Continuous glucose monitoring (CGM)

Continuous glucose monitoring (CGM) automatically measures the glucose content in the tissue fluid every few minutes and displays it in real time. In contrast to classic blood sugar measurement with...

Insulin pump therapy (CSII)

The Insulin pump therapy (Continuous Subcutaneous Insulin Infusion, CSII) is a modern form of insulin therapy. A small, portable device continuously delivers insulin under the skin, simulating the natural insulin release...

Diabetic macular edema

This diabetic macular edema is swelling of the macula (the place of sharpest vision on the retina) due to fluid accumulation. It is the most common cause of vision impairment in...

Charcot foot

The Charcot foot (neuro-osteoarthropathic arthropathy) is a severe, destructive complication of diabetic foot syndrome. The combination of neuropathy and unnoticed microtrauma leads to rapid destruction of bones, joints and soft tissues...

Diabetic nephropathy

The diabetic nephropathy is damage to the kidneys caused by long-term elevated blood sugar levels. It is one of the most serious long-term complications of diabetes and is the most common...

Diabetic retinopathy

The diabetic retinopathy is damage to the retina caused by long-term elevated blood sugar levels. It is one of the most serious long-term complications of diabetes and is the most common...

Diabetic foot syndrome

This diabetic foot syndrome (DFS) is one of the most serious long-term complications of diabetes mellitus. The combination of nerve damage (neuropathy), circulatory disorders and increased susceptibility to infections leads to...

Diabetic neuropathy

Diabetic neuropathy is damage to the peripheral and autonomic nerves caused by long-term elevated blood sugar levels. It is one of the most common long-term complications of diabetes and can...

LADA diabetes

LADA diabetes (Latent Autoimmune Diabetes in Adults) is a slow-developing form of type 1 diabetes that only occurs in adulthood (usually from the age of 30). It is often initially...

Hypoglycemia unawareness disorder

The Hypoglycemia unawareness disorder (Hypo-Unawareness) is a common complication of long-standing diabetes. Those affected no longer feel the typical early warning symptoms of hypoglycemia (trembling, sweating, racing heart) or only feel...

Carbohydrate unit (KE)

The Carbohydrate unit (KE) is a convenient unit of measurement that simplifies the carbohydrate content of foods for insulin calculation. One KE corresponds to 10 grams of usable carbohydrates and is...

15-15 rule

The 15-15 rule is the worldwide recommended immediate measure for mild to moderate hypoglycemia. It says: take 15 grams of quickly available carbohydrates, wait 15 minutes, measure blood sugar and repeat...

Somogyi effect

The Somogyi effect (also called rebound hyperglycemia) describes a sharp increase in blood sugar in the morning after a night of hypoglycemia. The body reacts to hypoglycemia with an excessive release...