Posts by Medilab An

Automation in Medicine: Why It’s Important Today In a world where every minute counts, the accuracy, speed, and standardization of medical tests are becoming increasingly important. With the development of high technology, manual labor in laboratories has been replaced by robotic analyzers — intelligent automated systems capable of performing complex diagnostic procedures at a high pace and with minimal human intervention. Such analyzers have gradually become the basis of modern laboratories, providing fast and accurate testing of biomaterials — from general blood tests to molecular diagnostics. What is a robotic analyzer: structure and principle of operation A robotic or automatic analyzer is a software-controlled diagnostic system that performs a full sample processing cycle: patient identification sample loading reagent dosing processing (mixing, incubation, centrifugation) measurement (spectrophotometry, fluorescence, chemiluminescence) transfer of results to a laboratory information system (LIS) Modern robotic platforms have a modular structure, which allows the laboratory to scale without a complete equipment upgrade. They also provide quality control...

Why take tests when nothing bothers you Feeling well does not always mean being healthy. Many diseases — including cancer, diabetes, cardiovascular diseases — can develop asymptomatically for months or even years. That is why modern medicine actively uses screening tests — methods of early detection of pathologies in people without complaints. The goal of such tests is to detect the disease at an early stage, when it is not yet clinically manifested, but can already be effectively treated or stopped. Regular screening is prevention that really saves lives. What are screening tests? Screening tests are systematic medical examinations that are carried out to detect certain diseases or conditions in clinically healthy people. This is not a one-time test, but a targeted strategy that is applied to certain groups of the population (by age, gender, heredity, risk factors). For which diseases are there screening programs? Screening What does it detect? Who is it recommended for? Mammography Breast cancer Women 40+ years old PAP test (cervical cytology) Precancerous changes and...

When invisible changes matter: how DNA mutations affect our lives Each of us has a unique code hidden in our DNA that determines who we will be: our appearance, abilities, and susceptibility to disease. And although this code seems stable, it is not immune to errors. Sometimes accidental, sometimes caused by external influences. Such changes in the genetic code, or mutations, can go unnoticed, but sometimes they change everything: they cause diseases, affect the body's response to drugs, or are passed on to subsequent generations. Today, when genetics has become part of personalized medicine, understanding what DNA mutations are is an important step towards controlling your own health. In this article, we will look at how these changes occur, why they are dangerous, and how to detect them. Main types of DNA mutations Type of mutation Description Point Replacement of one nucleotide with another (for example, A is replaced by G) Deletions Loss of one or more nucleotides Insertions Addition of extra nucleotides in...

Cortisol and stress: an invisible control mechanism Imagine that the body is a complex system that reacts to external stimuli every second. These reactions are coordinated by many processes, and one of them is the secretion of cortisol. This hormone is produced in the adrenal glands and acts as a key element of the protective response to stress. Normally, it helps to adapt, but if it is produced too much or too little, this is reflected in the general well-being and health. A cortisol test allows you to determine whether this system is working correctly and whether chronic fatigue or irritability is a consequence of hormonal imbalance. What is cortisol Cortisol is a hormone that regulates the body's response to stress, controls blood sugar levels, blood pressure, metabolism and the functioning of the immune system. Its level changes naturally throughout the day: it is highest in the morning, and decreases by the evening. These daily fluctuations must be taken into account when interpreting the results of the analysis. Indications for taking the analysis Directions...

Why is it important to identify an allergen in time? Allergies can manifest themselves in the form of periodic runny nose, cough, itching or skin rashes. Often people cannot determine what exactly causes these symptoms. In such cases, allergy tests help - special diagnostic tests that reveal the sensitivity of the immune system to certain substances. This allows you to avoid contact with the allergen and choose the right treatment. What are allergy tests? Allergy tests are a research method that allows you to detect increased sensitivity to household, food, pollen or drug allergens. They can be skin or laboratory. The most common are skin tests, which are carried out in the form of prick tests or scarifications. Types of allergy tests Type of test Essence of the method Indications Prick tests Application of allergen drops and skin puncture Detection of reactions to household, food and pollen allergens Scarification Scratching the skin with an allergen Allergy diagnostics in children Intradermal Introduction of an allergen under the skin Suspicion of a drug allergy Application Patch with an allergen on the back Contact dermatitis Laboratory Blood test for specific IgE Alternative when skin tests are not possible When allergy tests are needed If you notice seasonal or...

Iron deficiency is one of the most common types of micronutrient deficiencies in the world. Iron is an essential element for the normal functioning of the body, including transporting oxygen in the blood and supporting energy processes. Not having enough iron can lead to serious health problems, such as anemia, fatigue, and a reduced ability to fight infections. In this article, we will look at the causes of iron deficiency, the symptoms of this condition, and treatments. Causes of iron deficiency Iron deficiency can occur due to a variety of factors. The main ones are: Lack of iron in the diet: Insufficient consumption of iron-rich foods such as red meat, fish, legumes, spinach, and nuts can lead to a deficiency. Vegetarians and vegans are especially at risk if they do not compensate for the iron deficiency with other sources. Problems with iron absorption: Certain diseases, such as celiac disease or gastrointestinal diseases, can impair the body's ability to absorb iron from food. Increased...

Cancer remains one of the leading causes of death in the world, making early detection and prevention particularly important. Cancer screening is the process of systematically examining people without symptoms to detect cancer in its early stages. The earlier the disease is detected, the higher the chances of successful treatment and recovery. In this article, we will look at what screening is, what cancers can be detected using this method, and how important it is to undergo it. What is cancer screening? Cancer screening is an organized process that includes regular examinations of healthy people to detect possible cancer before they become clinically apparent. The main goal of screening is to detect cancer in its early stages, when treatment is more effective and less traumatic. Screening allows you to detect the disease even at stages when a person does not yet experience any symptoms. This provides a much greater chance of complete recovery due to early...

A smear for infection is one of the most common and effective methods for diagnosing various infectious diseases. Thanks to this simple and painless study, you can quickly detect the presence of pathogens in the body, which allows you to start treatment in a timely manner and avoid complications. In this article, we will consider what a smear for infection is, what infections can be detected, as well as when and how this study is performed. What is a smear for infection? A smear for infection is a microbiological study that allows you to detect the presence of infectious agents (bacteria, viruses, fungi, parasites) in various biological materials. The doctor takes a smear using a special tool, for example, a sterile cotton swab, from the surface of the mucous membranes (for example, from the throat, nose, urethra, vagina) or from other biological materials, such as urine or blood. This method allows you to identify specific pathogens and determine their sensitivity to drugs, which is important for effective treatment. What infections can be...

Stool analysis for dysbacteriosis is a diagnostic study that allows you to assess the composition of the intestinal microflora, detect an excess or deficiency of certain bacteria and determine the presence of pathogenic microorganisms. An imbalance in the intestinal microflora is often accompanied by symptoms such as bloating, abdominal pain, unstable stools, chronic fatigue, and decreased immunity. Accurate detection of changes in the bacterial composition of the intestine allows the doctor to select an individual treatment. What is dysbacteriosis? Dysbacteriosis is not a disease, but a functional condition in which the balance between «beneficial» and «harmful» microorganisms in the intestine is disturbed. Beneficial bacteria, in particular bifidobacteria and lactobacilli, play a key role in the processes of digestion, vitamin synthesis, protection against pathogens and the formation of immunity. When they become fewer and the number of conditionally pathogenic or pathogenic bacteria (for example, staphylococci, proteus, fungi of the genus Candida) increases, an imbalance occurs. Gastroenterologist Maria Lysenko explains: "Most patients who complain of digestive problems actually have a microflora disorder. This does not always require...

Proper preparation for laboratory tests is an important condition for accurate diagnosis. Most often, doctors ask to take tests on an empty stomach, but many patients underestimate the importance of this rule. Food can significantly change the biochemical composition of blood, urine, hormonal levels, and even the results of immunological tests. To avoid false results, it is important to know how nutrition affects certain tests. How food affects laboratory tests 1. Biochemical blood test This test is sensitive to the composition of food, especially fats and carbohydrates. After a hearty lunch: glucose, cholesterol, triglyceride levels increase, uric acid may decrease (due to plasma dilution), electrolytes (sodium, potassium) change due to fluid retention 2. Complete blood count (CBC) The effect of food is less pronounced, however: fatty foods can cause lipemia (plasma fat), which complicates the analysis, high-protein foods temporarily increase leukocyte levels, caffeine or sweets have a slight effect on hematocrit and glucose 3. Sugar tests (glucose, insulin, HOMA index) These tests are always...