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Toxic Megacolon : Tests

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The rapid widening (dilation) of the colon makes this different from other conditions, such as chronic constipation, that can widen the colon slowly and do not cause sudden, life-threatening symptoms. A physical exam may reveal signs of septic sho...
Source:ADAM
Date:May 27, 2008
During a physical examination, a health care provider studies a patient''s body to determine the presence or absence of physical problems.
Source:ADAM
Date:February 23, 2009
The test is performed in a hospital radiology department or in the health care provider''s office by an x-ray technologist.You lie on your back on the x-ray table. The x-ray machine is positioned over your abdominal area.
Source:ADAM
Date:February 22, 2009
An abdominal CT scan is an imaging method that uses x-rays to create cross-sectional pictures of the belly area. CT stands for computed tomography.
Source:ADAM
Date:February 23, 2009
A computed tomography(CT) scan is an imaging method that uses x-rays to create cross-sectional pictures of the body.CAT scan; Computed axial tomography scan; Computed tomography scan.You will be asked to lie on a narrow table that slides into the ...
Source:ADAM
Date:October 29, 2008
Computed tomography (CT) is a test that combines x-rays and computer scans. The result is a detailed picture that can show problems with soft tissues (such as the lining of your sinuses), organs (such as your kidneys or lungs), and bones.
Source:StayWell
Detailed information on CT scan, including how the CT scan is performed and what happens after the procedure
Source:StayWell
Detailed information on ultrafast computed tomography scans, also called ultrafast CT scan or ultrafast CAT scan, including information on how the procedure is performed
Source:StayWell
Detailed information on computed tomography scans, also called CT scan or CAT scan, including information on how the procedure is performed
Source:StayWell
Detailed information on ultrafast computed tomography (CT) scan, including reasons for the procedure, risks of the procedure, what to expect, and discharge instructions
Source:StayWell
Computed tomography(CT) scanning is a valuable diagnostic tool that provides physicians with views of internal body structures. During a CT scan, multiple x rays are passed through the body, producing cross-sectional images, or"slices," on a catho...
Source:Gale Encyclopedia of Cancer
Computed tomography(CT), formerly referred to as computerized axial tomography(CAT), is a common diagnostic imaging procedure that uses x rays to generate images(slices) of the anatomy.Computed tomography(CT) is an x-ray imaging procedure used for...
Source:Gale Encyclopedia of Children's Health
Computed tomography(CT) scans are completed with the use of a 360-degree x-ray beam and computer production of images. These scans allow for cross-sectional views of body organs and tissues.CT scans are used to image a wide variety of body structu...
Source:Gale Encyclopedia of Medicine
Computed tomography(also known as CT, CT scan, CAT, or computerized axial tomography) scans use x rays to produce precise cross-sectional images of anatomical structures.With the development of modern computers, the scans enhanced digital capabili...
Source:Gale Encyclopedia of Neurological Disorders
Computed tomography scanning, also called CT scan, CAT scan, or computerized axial tomography, is a diagnostic tool that provides views of internal body structures using x rays. In the field of mental health, a CT scan may be used when a patient s...
Source:Gale Encyclopedia of Mental Disorders
What is the difference between a pelvic CT scan and an abdominal CT scan?
Source:StayWell
Is there an alternative to iodine as a contrast medium in a CT scan?
Source:StayWell
The concentrations of these ions in the bloodstream remain fairly constant throughout the day in a healthy person. Changes in the concentration of one or more of these ions can occur during various acute and chronic disease states and can lead to ...
Source:Gale Encyclopedia of Medicine
However, there is a narrow concentration limit of these electrolytes that the body must maintain within each of these compartments. The body transfers electrolytes intracellularly and extracellularly as required to maintain electrolyte balance.
Source:Gale Encyclopedia of Nursing and Allied Health
Electrolytes are positively and negatively charged molecules called ions, that are found within the body''s cells and extracellular fluids, including blood plasma. A test for electrolytes includes the measurement of sodium, potassium, chloride, and...
Source:Gale Encyclopedia of Surgery
Electrolytes are positively and negatively charged ions that are found within the cells and extracellular fluids, including blood plasma. A test for electrolytes includes the measurement of sodium, potassium, chloride, and bicarbonate.
Source:Gale Encyclopedia of Nursing and Allied Health
ESR stands for erythrocyte sedimentation rate. It is a test that indirectly measures how much inflammation is in the body.
Source:ADAM
Date:May 7, 2009
The sedimentation rate test, also called the erythrocyte sedimentation rate(ESR) or sed rate test, measures the speed at which the red blood cells(erythrocytes or RBCs) separate from the liquid part of the blood(plasma) and settle to the bottom in...
Source:Gale Encyclopedia of Nursing and Allied Health
The erythrocyte sedimentation rate(ESR), or sedimentation rate(sed rate), is a measure of the settling of red blood cells in a tube of blood during one hour. The rate is an indication of inflammation and increases in many diseases.ESR is increased...
Source:Gale Encyclopedia of Medicine
The blood differential test measures the percentage of each type of white blood cell(WBC) that you have in your blood. It also reveals if there are any abnormal or immature cells.
Source:ADAM
Date:February 23, 2009
A white blood cell(WBC) count determines the concentration of white blood cells in the patient''s blood. A differential determines the percentage of each of the five types of mature white blood cells.This test is included in general health examinat...
Source:Gale Encyclopedia of Nursing and Allied Health
The white blood cell count and differential determine the number of white blood cells and the percentage of each type of white blood cell in a person''s blood. These tests are included in general health examinations and help investigate a variety o...
Source:Gale Encyclopedia of Medicine
A white blood cell(WBC) count determines the concentration of white blood cells in the patient''s blood. A differential determines the percentage of each of the five types of mature white blood cells.This test is included in general health examinat...
Source:Gale Encyclopedia of Surgery
A complete blood count(CBC) test measures the following:.The number of red blood cells(RBCs) The number of white blood cells(WBCs) The total amount of hemoglobin in the blood The fraction of the blood composed of red blood cells( hematocrit) The s...
Source:ADAM
Date:August 10, 2008
One of the most commonly ordered clinical laboratory tests, a blood count, also called a complete blood count(CBC), is a basic evaluation of the cells(red blood cells, white blood cells, and platelets) suspended in the liquid part of the blood(pla...
Source:Gale Encyclopedia of Medicine
A complete blood count(CBC) is a series of tests used to evaluate the composition and concentration of the cellular components of blood. It consists of the following tests: red blood cell(RBC) count, white blood cell(WBC) count, and platelet count...
Source:Gale Encyclopedia of Nursing and Allied Health
A complete blood count(CBC) is a series of tests used to evaluate the composition and concentration of the cellular components of blood. It consists of the following tests: red blood cell(RBC) count, white blood cell(WBC) count, and platelet count...
Source:Gale Encyclopedia of Surgery
The clinical laboratory test that evaluates the three main cellular components of peripheral blood(red cells, white cells, and platelets) is called the"complete blood count"(CBC). It is used commonly to assess whether a patient is anemic(low red c...
Source:Gale Encyclopedia of Public Health
X-rays are a form of electromagnetic radiation, just like visible light. In a health care setting, a machines sends are individual x-ray particles, called photons.
Source:ADAM
Date:August 15, 2008
Detailed information on the most common procedures used for diagnostic radiology, including arteriogram, barium x-ray, computed tomography scan, fluoroscopy, intravenous pyelogram, magnetic resonance imaging, mammogram, ultrafast CT scan, ultrasound, x ra
Source:StayWell
Detailed information on x-ray, including information on how the procedure is performed
Source:StayWell
X rays are a type of radiation used in imaging andtherapy that uses short wavelength energy beams capable of penetrating most substances except heavy metals.Diagnostic x rays are some of the most powerful medical imaging tools available. Other ima...
Source:Gale Encyclopedia of Cancer
Body positions in x-ray exams are based on body part, suspected defect or disease, and condition of the patient. The radiographer, also known as the x-ray tech or more formally as the radiologic technologist, uses standardized body positions in pe...
Source:Gale Encyclopedia of Nursing and Allied Health
X rays are electromagnetic radiation that differentially penetrates structures within the body and creates images of these structures on photographic film or a fluorescent screen. These images are called diagnostic x rays.Diagnostic x rays are use...
Source:Gale Encyclopedia of Children's Health
What can doctors see on an X-ray? Large and small fractures are first on the list.
Source:StayWell
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