Clinical studies

A practical guide to clinical tests tests: preparation, typical ranges, result meaning, and what to discuss at follow-up.

Clinical Tests is a topic hub designed for quick orientation and deeper reading when needed.

Find practical steps, common questions, and links to detailed articles that explain causes, testing, and evidence-informed options.

What you can explore:

How to prepare for tests and what can affect results
Typical reference ranges and what results may suggest
When repeat testing or follow-up is recommended
Questions to discuss with a clinician after receiving results

Results should be interpreted in context of symptoms, history, and examination.

For urgent symptoms, seek medical care promptly rather than relying on lab values alone.

How does alcohol affect the tests?

Alcohol can affect a variety of tests used in medical and laboratory tests, including blood, urine, and other tests

Urine bacteriogram in pregnancy

Bacteriologic or bacteriologic urine test in pregnancy - refers to tests that allow timely detection of bladder and urinary tract problems

Blood poikilocytosis

Poikilocytosis is a medical term that refers to the presence of abnormalities in the shape of red blood cells (red blood cells), including their irregular shape and size.

Myelocytes in the blood

Myelocytes are immature bone marrow cells that precede the formation of more mature blood cells such as neutrophils (a type of white blood cell) or other granulocytes.

Cervical swab

Cervical seeding is a laboratory test that takes a sample of mucus or discharge from a woman's cervical canal to detect pathogens

Pharyngeal swab for microflora

A pharyngeal swab for microflora is a procedure that collects a sample of cells and microorganisms from the pharynx (throat) for later laboratory testing.

Urogenital swab in women and men

A urogenital swab is a biological material that is taken from the urogenital area (genitourinary system) of a woman or man to diagnose various infectious and inflammatory diseases.

Normoblasts

Normoblasts are young, immature red blood cells that form in the bone marrow during erythropoiesis (red blood cell formation).

Bacterial culture of urine with determination of sensitivity to antibiotics

For this purpose, every patient should take a bacterial culture of urine with determination of sensitivity to antibiotics. This is a mandatory test for many urogenital disorders.

Klebsiella in the feces of an adult and a child

Klebsiella is a type of enterobacteria that is a conditionally pathogenic microorganism. These are capsule-shaped gram-negative rods, located singly, in pairs or chains. They are considered very dangerous because they are resistant to existing antibiotics.