Tuesday, February 14, 2012
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Acute Cholecystitis Learning Center

Amylase and lipase; Bilirubin; Complete blood count (CBC) -- may show a higher than normal white blood cell count;
Source:ADAM
Date:July 6, 2009
Abdominal ultrasound is an imaging procedure used to examine the internal organs of the abdomen, including the liver, gallbladder, spleen, pancreas, and kidneys. The blood vessels that lead to some of these organs can also be looked at with ultras...
Source:ADAM
Date:October 29, 2008
Abdominal ultrasound uses high frequency sound waves to produce two-dimensional images of the body's soft tissues, which are used for a variety of clinical applications, including diagnosis and guidance of treatment procedures. Ultrasound does not...
Source:Gale Encyclopedia of Nursing and Allied Health
Abdominal ultrasound uses high frequency sound waves to produce two-dimensional images of the body's soft tissues, which are used for a variety of clinical applications, including diagnosis and guidance of treatment procedures. Ultrasound does not...
Source:Gale Encyclopedia of Surgery
Ultrasound technology allows doctors to "see" inside a patient without resorting to surgery. A transmitter sends high frequency sound waves into the body, where they bounce off the different tissues and organs to produce a distinctive pattern of e...
Source:Gale Encyclopedia of Medicine
During a physical examination, a health care provider studies a patient's body to determine the presence or absence of physical problems. A typical physical examination includes: Inspection (looking at the body; Palpation (feeling the body with ha...
Source:ADAM
Date:February 23, 2009
The health status of populations and of individuals is assessed for many reasons. Assessing needs for care helps guide the allocation of resources— diagnostic assessments guide treatment, prognostic assessments contribute to planning, and assessin...
Source:Gale Encyclopedia of Public Health
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. See also: CT scan
Source:ADAM
Date:February 23, 2009
A percutaneous transhepatic cholangiogram (PTCA) is an x-ray of the bile ducts inside and outside the liver. The x-ray is taken after contrast medium (dye) is injected directly into the bile ducts.
Source:ADAM
Date:March 5, 2009
Percutaneous transhepatic cholangiography (PTHC) is an x-ray test used to identify obstructions either in the liver or bile ducts that slow or stop the flow of bile from the liver to the digestive system.
Source:Gale Encyclopedia of Cancer
Percutaneous transhepatic cholangiography (PTHC) is an x-ray test used to identify obstructions either in the liver or bile ducts that slow or stop the flow of bile from the liver to the digestive system.
Source:Gale Encyclopedia of Medicine
Percutaneous transhepatic cholangiography (PTHC) is used to identify obstructions that slow or stop the flow of bile from the liver to the digestive system .
Source:Gale Encyclopedia of Nursing and Allied Health
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; T...
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 (...
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 co...
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 co...
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 r...
Source:Gale Encyclopedia of Public Health
A computed tomography (CT) scan is an imaging method that uses x-rays to create cross-sectional pictures of the body. See also: Cranial CT scan; Lumbosacral spine CT scan; Orbit CT scan; Thoracic CT scan.
Source:ADAM
Date:October 29, 2008
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.
Source:Gale Encyclopedia of Neurological Disorders
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 ca...
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.
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.
Source:Gale Encyclopedia of Medicine
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
Ultrasound involves the use of high-frequency sound waves to create images of organs and systems within the body.
Source:ADAM
Date:March 27, 2009
Ultrasonography is a diagnostic technique that involves directing high frequency sound waves at tissues in the body to generate images of anatomical structures. Ultrasonography is also called sonography, diagnostic sonography, and echocardiography...
Source:Gale Encyclopedia of Neurological Disorders
A thyroid ultrasound, or sonogram, is a diagnostic imaging technique used to evaluate the structure of the thyroid gland . The thyroid is an endocrine gland, which means that it releases its secretions directly into the bloodstream or lymph. It co...
Source:Gale Encyclopedia of Nursing and Allied Health
The use of ultrasound to obtain diagnostic images is referred to as diagnostic sonography. Since diagnostic sonography utilizes a nonionizing form of energy, there are no known bioeffects. Thus, diagnostic sonography is applied to a large spectrum...
Source:Gale Encyclopedia of Public Health
Ultrasonography is the study of internal organs or blood vessels using high-frequency sound waves. The actual test is called an ultrasound scan or sonogram. Duplex ultrasonography uses Doppler technology to study blood cells moving through major v...
Source:Gale Encyclopedia of Cancer
Diagnostic medical sonography, or ultrasound, is a technique using high frequency sound to create images of specific areas of the body to diagnose various pathologies. The diagnostic medical sonographer performs examinations, records anatomic cond...
Source:Gale Encyclopedia of Nursing and Allied Health
Endoscopic retrograde cholangiopancreatography (ERCP) is a procedure used to identify stones, tumors, or narrowing in the bile ducts. The procedure is done through an endoscope.
Source:ADAM
Date:July 6, 2009
Endoscopic retrograde cholangiopancreatography (ERCP) is a technique in which a hollow tube called an endoscope is passed through the mouth and stomach to the duodenum (the first part of the small intestine). This procedure was developed to examin...
Source:Gale Encyclopedia of Cancer
Endoscopic retrograde cholangiopancreatography (ERCP) is a technique in which a hollow tube called an endoscope is passed through the mouth and stomach to the duodenum (the first part of the small intestine). This procedure was developed to examin...
Source:Gale Encyclopedia of Medicine
Endoscopic retrograde cholangiopancreatography (ERCP) is an imaging technique used to diagnose diseases of the pancreas, liver, gallbladder, and bile ducts. It combines endoscopy and x-ray imaging.
Source:Gale Encyclopedia of Surgery
AST (aspartate aminotransferase) is an enzyme found in high amounts in heart muscle and liver and skeletal muscle cells. It is also found in lesser amounts in other tissues. This article discusses the test to measure the amount of AST in the blood.
Source:ADAM
Date:February 23, 2009
The Aspartate aminotransferase test measures levels of AST, an enzyme released into the blood when certain organs or tissues, particularly the liver and heart, are injured. Aspartate aminotransferase (AST) is also known as serum glutamic oxaloacet...
Source:Gale Encyclopedia of Medicine
Oral cholecystogram is an x-ray of the gallbladder, an organ in the right upper abdomen that stores bile. The x-ray is taken before the gallbladder releases bile.
Source:ADAM
Date:January 24, 2007
Alanine transaminase (ALT) is an enzyme found in the highest amounts in the liver. Injury to the liver results in release of the substance into the blood. This article discusses the test to measure the amount of ALT in the blood.
Source:ADAM
Date:February 22, 2009
Bilirubin is a yellowish pigment found in bile, a fluid produced by the liver. This article discusses the laboratory test done to measure bilirubin in the blood. Total and direct bilirubin are usually measured to screen for or to monitor liver or ...
Source:ADAM
Date:February 23, 2009
Monitors the liver function of newborns. The bilirubin test is a blood test to monitor the liver function of newborns. The rapid destruction of red blood cells after birth produces more bilirubin than the infant's liver can handle, causing some ja...
Source:Gale Encyclopedia of Childhood and Adolescence
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