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Diagnostic Tests 2023, June

Hysterosalpingography: what é, what is like &eacute for; done

Hysterosalpingography: what é, what is like &eacute for; done

Hysterosalpingography is a gynecological X-ray exam performed with contrast with the objective of evaluating the uterus and uterine tubes and, thus, identifying any type of alteration, such as adhesions, malformations, fibroids or obstructed tubes.

Transvaginal ultrasound: what é, what is it for and how do I prepare it

Transvaginal ultrasound: what é, what is it for and how do I prepare it

Transvaginal ultrasound, also known as transvaginal ultrasound, or just transvaginal, is a diagnostic test that uses a small device, which is introduced into the vagina, and which produces sound waves that are then transformed by the computer into images internal organs such as uterus, fallopian tubes, ovaries, cervix and vagina.

4 exams pré-operatórios for plastic surgery

4 exams pré-operatórios for plastic surgery

Before performing plastic surgery, it is important that preoperative tests are carried out, which must be indicated by the doctor, with the aim of avoiding complications during the procedure or in the recovery phase, such as anemia or serious infections, for example.

Fasting time for blood test (and 6 dúordinary lives)

Fasting time for blood test (and 6 dúordinary lives)

The fasting time may vary according to the exam to be performed, and fasting may not be necessary, or a fasting period of 4, 8 or 12 hours may be indicated. Fasting for blood tests is very important and must be respected when necessary, as the intake of some foods can interfere with the results of some tests.

Paratormônio (PTH): what é, when to take the exam and results

Paratormônio (PTH): what é, when to take the exam and results

Parathyroid hormone, also known as PTH, is a hormone produced by the parathyroid glands, which are small glands located in the thyroid and which is metabolized by the liver and excreted by the kidneys. PTH's main function is to regulate calcium levels in the body, as it stimulates the release of calcium into the plasma, acting directly on the bones, kidneys and intestines.

Horm&luteinizing circ;nium (LH): what é and why está high or low

Horm&luteinizing circ;nium (LH): what é and why está high or low

The luteinizing hormone, also called LH, is a hormone produced by the pituitary gland and which, in women, is responsible for the maturation of follicles, ovulation and progesterone production, playing a fundamental role in the reproductive capacity of women.

Uroculture: what é, what it is for and results (positive or negative)

Uroculture: what é, what it is for and results (positive or negative)

The urine culture, also called urine culture or urine culture, is a test that aims to confirm the urinary infection and identify which microorganism is responsible for the infection, which helps to determine the most appropriate treatment. To perform this test, it is recommended to collect the first urine in the morning, not using the first stream.

Ultrasonography: what é, what it is for, types and how é done

Ultrasonography: what é, what it is for, types and how é done

Ultrasonography, also known as ultrasound and ultrasound, is a diagnostic imaging test used to visualize any organ or tissue in the body in real time. When the exam is performed with Doppler, the doctor can observe the blood flow in this region.

Blood test: how to understand the result

Blood test: how to understand the result

To understand the blood test, it is necessary to be aware of the type of test that the doctor requested, the reference values of the laboratory where the test was performed and the result obtained, which must be interpreted by the doctor. After the blood count, the most requested blood tests are ESR, CPK, TSH, PCR, liver tests and PSA, the latter being an excellent marker of prostate cancer.

Peniscopy: what é, what it is for and how é done

Peniscopy: what é, what it is for and how é done

Peniscopy is a diagnostic test used by the urologist to identify lesions or changes that are imperceptible to the naked eye, which may be present in the penis, scrotum or perianal region. Generally, peniscopy is used to diagnose HPV infections, since it allows the observation of microscopic warts, however, it can also be used in cases of herpes, candidiasis or other types of genital infections.

Cholinesterase test: what é, what it is for and what the result means

Cholinesterase test: what é, what it is for and what the result means

The cholinesterase test is a laboratory test requested in order to verify the degree of exposure of the person to toxic products, such as pesticides, insecticides, herbicides or fertilizers, for example, being therefore more suitable for farmers, since are in constant contact with agricultural products.

What does homocisteíin high and low and reference valuesê

What does homocisteíin high and low and reference valuesê

Homocysteine is an amino acid present in blood plasma that is related to the emergence of cardiovascular diseases such as stroke, coronary heart disease, thrombosis or heart attack, for example, as its high levels can cause changes in blood vessels.

Hemoglobin in urine: main causes and how to identify

Hemoglobin in urine: main causes and how to identify

The presence of hemoglobin in the urine, scientifically called hemoglobinuria, occurs when red blood cells, which are elements of blood, are destroyed and one of its constituents, hemoglobin, is eliminated through the urine, giving it a reddish color and transparent.

Direct and indirect coombs test: what é and what is it for

Direct and indirect coombs test: what é and what is it for

The coombs test is a type of blood test that evaluates the presence of specific antibodies that attack red blood cells, causing their destruction and which can lead to the appearance of a type of anemia known as hemolytic. There are two main types of this exam, which include:

LDH Exam (Láctic Dehydrogenase): what é and what does the result mean

LDH Exam (Láctic Dehydrogenase): what é and what does the result mean

LDH, also called lactate dehydrogenase or lactate dehydrogenase, is an enzyme present inside cells responsible for glucose metabolism in the body. This enzyme can be found in several organs and tissues and, therefore, its elevation is not very specific, and other tests are recommended to reach a diagnosis.

Bactéria in urine (bacteriúria): how to identify and what it means

Bactéria in urine (bacteriúria): how to identify and what it means

Bacteriuria corresponds to the presence of bacteria in the urine, which may be due to inadequate collection of urine, with contamination of the sample, or due to urinary infection, and other changes in the urinalysis may also be observed in these situations, such as the presence of of leukocytes, epithelial cells and, in some cases, red blood cells.

Hemogram: what is it for and how to understand the result

Hemogram: what is it for and how to understand the result

The complete blood count is the blood test that evaluates the cells that make up the blood, such as leukocytes, known as white blood cells, erythrocytes, also called red blood cells or erythrocytes, and platelets. The part of the blood count that corresponds to the analysis of red blood cells is called the erythrogram, which, in addition to indicating the quantity of blood cells, informs about the quality of the red blood cells, indicating whether they are of adequate size

Coproculture: what é, what it is for and how é done

Coproculture: what é, what it is for and how é done

Coproculture, also known as microbiological stool culture or simply stool culture, is a test that aims to identify the infectious agent responsible for gastrointestinal changes, and is usually requested by the doctor when there is a suspicion of infection by Salmonella spp.

Eosinophilia: what é, main causes and what to do

Eosinophilia: what é, main causes and what to do

Eosinophilia corresponds to the increase in the number of eosinophils circulating in the blood, with a blood test being verified above the reference value, which is normally between 0 and 500 eosinophils per ┬ÁL of blood. This situation is very common in response to parasitic infections or due to allergies, however it can also arise due to serious diseases involving blood cells, such as lymphoma, for example.

Urease test: what é, like é done and positive result

Urease test: what é, like é done and positive result

The urease test is a laboratory test used to identify bacteria by detecting the activity of an enzyme, urease, that bacteria may or may not have. Urease is an enzyme responsible for the degradation of urea into ammonia and bicarbonate, which increases the pH of the place where it is present, favoring the proliferation of the microorganism.

Creatinine clearance: what é, when é indicated and reference valuesê

Creatinine clearance: what é, when é indicated and reference valuesê

The creatinine clearance test is performed to assess the function of the kidneys, which is done by comparing the concentration of creatinine in the blood and eliminated in the urine during 24 hours. Thus, the test result indicates the amount of creatinine that was taken from the blood and eliminated in the urine, and as this process is carried out by the kidneys, changes in the results may be indicative of kidney damage.

24-hour urine: what it is for, how to do it and results

24-hour urine: what it is for, how to do it and results

The 24-hour urinalysis is an analysis of urine collected over 24 hours to assess kidney function, very useful for identifying and monitoring kidney disease. This test is mainly indicated to measure kidney function or evaluate the amount of protein or other substances in the urine, such as sodium, calcium, oxalate or uric acid, for example, as a way to identify diseases of the kidneys and urinary.

Vitamin D test: what is it for, like é done and results

Vitamin D test: what is it for, like é done and results

The vitamin D test, also known as the hydroxyvitamin D or 25(OH)D test, aims to check the concentration of vitamin D in the blood, as it is an essential vitamin for the regulation of phosphorus levels and calcium in the blood, having a fundamental role in bone metabolism, for example.

Proteína in urine (proteinúria): what it can be, symptoms and treatment

Proteína in urine (proteinúria): what it can be, symptoms and treatment

The presence of excess protein in urine is scientifically known as proteinuria and may be indicative of kidney disorders, high blood pressure or diabetes. The kidneys filter the blood, eliminating what is not important and retaining what is important for the body, however, in some situations, the kidneys allow proteins to pass through their filters, causing an increase in the amount of protein in urine.

Computed tomography: what is it for, like é done and prepared

Computed tomography: what is it for, like é done and prepared

Computed tomography (CT) is an imaging test that uses X-rays to generate detailed images of the interior of the body, allowing the observation of bones, organs or other types of tissues, in order to identify he alth problems such as tumors, aneurysms or infections, for example.

Angiography: what é, what it is for and how é done

Angiography: what é, what it is for and how é done

Angiography is a diagnostic test that allows you to better visualize the inside of blood vessels, serving to evaluate their shape and diagnose possible diseases such as aneurysm or arteriosclerosis, for example. In this way, this test can be performed in various places in the body, such as the brain, heart or lungs, for example, depending on the disease being diagnosed.

Scintigraphy óbone: what é, what it is for and how é done

Scintigraphy óbone: what é, what it is for and how é done

Bone scintigraphy is a diagnostic nuclear imaging test usually indicated by the doctor when a person has bone pain, infection or bone damage that cannot be seen by other tests. In this way, this exam helps diagnose various bone diseases such as infections, arthritis, fracture or changes in the blood circulation of the bone, for example.

Anuscopy: what é, what is it for and what do I prepare

Anuscopy: what é, what is it for and what do I prepare

Anoscopy is a simple exam that does not require sedation, performed by a proctologist in an office or exam room, with the aim of verifying the causes of changes in the anal region, such as itching, swelling, bleeding and pain in the anus. These symptoms can be related to several diseases such as internal hemorrhoids, perianal fistulas, fecal incontinence and HPV lesions, for example.

Immunoglobulin A (IgA): what é, what it is for and why it is á high or low

Immunoglobulin A (IgA): what é, what it is for and why it is á high or low

Immunoglobulin A, known mainly as IgA, is a protein found in large amounts in the mucous membranes, mainly in the respiratory and gastrointestinal mucosa, and can also be found in breast milk, and can be passed to the baby during breastfeeding and help in the development of the immune system.

Cardiac catheterizationíaco: what é, such as é made and possibleí possible risks

Cardiac catheterizationíaco: what é, such as é made and possibleí possible risks

Cardiac catheterization is a procedure that can be used to diagnose or treat heart disease, which consists of introducing a catheter, which is an extremely thin flexible tube, into the artery of the arm, or leg, to the heart. Cardiac catheterization may also be known as coronary angiography.

Arterial blood gas: what é, what it is for and reference valuesê

Arterial blood gas: what é, what it is for and reference valuesê

Arterial blood gas analysis is a blood test normally performed on people hospitalized in the Intensive Care Unit, which aims to verify that gas exchange is taking place correctly and, thus, assess the need for extra oxygen. In addition, it is a test that can be requested during hospitalization to assist in the diagnosis of respiratory, renal or serious infections, in addition to verifying that the treatment is being effective and, thus, can be used as one of the criteria th

Check-up médico: when to do it and routine exams

Check-up médico: when to do it and routine exams

Medical check-up corresponds to the periodic performance of several clinical, imaging and laboratory exams with the aim of evaluating the general state of he alth and early diagnosis of any disease that has not yet manifested symptoms, for example.

Ergonomic testétric: what é, what it is for and how é the preparation

Ergonomic testétric: what é, what it is for and how é the preparation

The treadmill test, also known as the exercise test or treadmill exam, is an exam requested by the cardiologist to evaluate the functioning of the heart during physical exertion, being normally indicated to detect cardiac problems, such as ischemia or arrhythmias, for example.

Catheterization: main types and risks for he althúde

Catheterization: main types and risks for he althúde

Catheterization is a medical procedure in which a plastic tube, called a catheter, is inserted into a blood vessel, organ or body cavity to facilitate the passage of blood or other fluids. The procedure is performed according to the patient's clinical conditions, and can be performed on the heart, bladder, navel and stomach.

Mioc656532aacute;radio scintigraphy: what is it for and how é done

Mioc656532aacute;radio scintigraphy: what is it for and how é done

Myocardial scintigraphy is an imaging test used to assess the flow of blood in the arteries of the heart, being used to assess the presence of a heart attack in patients with chest pain and/or at high risk of having problems heart failure, heart transplantation and heart valve diseases, not recommended for pregnant or breastfeeding women, as a radioactive substance is used.

CEA exam: what is it for and how to understand the result

CEA exam: what is it for and how to understand the result

The main objective of the CEA test is to identify the circulating levels of CEA, also known as carcinoembryonic antigen, which is a protein produced at the beginning of fetal life and during the rapid multiplication of cells in the digestive system and, therefore, this protein can be used as a marker of colorectal cancer.

Dermoscopy: what é, like é made and what is it for

Dermoscopy: what é, like é made and what is it for

Dermoscopy is a type of non-invasive dermatological examination that aims to analyze the skin in more detail, being useful in the investigation and diagnosis of alterations, such as skin cancer, keratosis, hemangioma and dermatofibroma, for example.

Pap smear: what é, what it's for, like é done and results

Pap smear: what é, what it's for, like é done and results

The Pap smear, also called a preventive exam, is a gynecological exam indicated for women from the beginning of sexual activity, which aims to detect changes and diseases in the cervix, such as inflammation, HPV and cancer. Although it is mainly indicated for women who have already started sexual activity, this exam can also be performed by virgin women over 21 years of age.

Curettage: like é made, when é indicated and possible risks

Curettage: like é made, when é indicated and possible risks

Curettage is a procedure performed by the gynecologist with the aim of cleaning the uterus by removing the remains of an incomplete abortion or the placenta after normal delivery, or being used as a diagnostic test, receiving the name of curettage semiotic endocervical.

Videolaparoscopy: what is it for, such as é made and as é recoveryç&athilde;o

Videolaparoscopy: what is it for, such as é made and as é recoveryç&athilde;o

Laparoscopy is a technique that can be used both for diagnosis and treatment, the latter being called surgical videolaparoscopy. Videolaparoscopy is performed with the aim of observing the structures present in the abdominal and pelvic region and, if necessary, removing or correcting the alteration.