Medical tests

Medical tests are performed to diagnose or detect disease. Health care revolves around the use of medical tests. Medical tests allow health practitioners to gather information about a person's health. Medical tests determine the presence of disease in an individual usually following the symptoms of disease Medical tests use a varity of techniques to provide importance information about the body an fits functioning. It is not possible to detect the disease for a physical physician. Imaging tests produce pictures of internal structure that we cannot see from the naked eye. Blood or urine tests measure composition of body fluids. Medical tests involve the use of microscope to examine the samples of the body tissues to observe things which are too small to be seen by the naked eye. Medical tests are screening tests and diagnostic tests, in screening tests, health problems are identified at an early stage before they cause any symptoms. In diagnostic tests, health problems are conformed. Mostly older people tend to undergo more medical tests because they are at the higher risk of developing diseases.

Medical tests are of many types like analyses of body fluids and tissues, Endoscopy, Biopsy, determine genetic material in cells and measurement of body functions. An analysis of body tissues consists of the tests of blood, urine, fluids such as saliva and sweat, cerebrospinal fluid and contents of digestive tract etc. X-rays, CT scans, MRI, nuclear scans are a form of the imagery tests. Endoscopy is the use of the tube to view directly inside body organs. Tools pass through a channel in the endoscope can be used to cut or remove tissue samples or close off bleeding vessels.

Electrical activity of the heart is measured with electrocardiogram. All body functions like how much and how fast air moves in and out of the lungs, kidney and heart functions are measured by electrical activity of any organ. Medical tests are used to determine the severity of disease and to know how well a disease is responding to treatment. Screening tests are widely accepted if they are accurate, cause no discomfort and inexpensive. Certain medical tests lend themselves to both gathering information and treat disease such as a colonoscopy.

Medical tests may give rise to a Varity of questions and they are only performed when doctor's experience and knowledge are combined with patient's wishes and values. People believe more heavily on their doctors for information of medical tests. Sometimes medical tests produced normal results in people who have the disease. Sometimes tests produce abnormal reports in people who do not have any disease. In such cases, doctor should consider the test sensitivity and specificity. Due to advanced technology, there is an availably of home based medical test kits which can diagnose a health condition.

People use this kit to measure cholesterol levels. But you remember that home tests are not a replacement for professional health care. These tests are best used when supervised by a doctor. You deserve to feel good and staying healthy. Just because you are over 60 do not think that you cannot be independent and healthy. There are simple medical tests that can be done when you visit your family doctor. Doctor recommends additional tests according to your personal health profile. Get your blood pressure checked by your doctor at least twice a year. Muscle is replaced by the fat as we get older and you do not burn calories as your metabolism is slowing down.

Breast cancer increase with age, so a mammogram is recommended after the age of 40. Eye disease like glaucoma is common with age, so checked your eyes every one to two years after the age of 60. You should get a hearing test at least once every three years. Women should prefer a bone density test and screening test after the age of 65 because if you suffer fracture, your risk of disability would increase. High cholesterol levels are a major cause of heart attack. That is why you should measure your level of total cholesterol to do regularly. The best way to understand medical tests results is to discuss them with primary car physician who can help you understand the significance of each test and how it relate with your health.

Some medical tests are part of a simple physical examination and can be performed in an office environment. Some tests require elaborate equipment used by medical technologists. Most medical tests are conducted on the living but some of the test can also be carried out on dead person. Medical tests can be broadly divided into three categories; these are invasive, minimally invasive and non invasive. Invasive medical test requires a perforation or an incision into the body. Minimally invasive procedures avoid open surgery or local surgery with fewer traumas. These procedures involve use of laparoscopic devices like endoscope. A medical procedure which does not break the skin is called non invasive test. Medical test can have value by reassuring patients that serious illness is not present.

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