Monday, May 28, 2012
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Deep Vein Thrombosis (DVT) Learning Center

Activated protein C resistance (checks for the Factor V Leiden mutation) Antithrombin III levels; Genetic testing to look for mutations that make you more likely to develop blood clots, including the prothrombin G20210A mutation; Lupus anticoagula...
Source:ADAM
Date:January 27, 2009
Deep vein thrombosis can be detected through venography and radionuclide venography, Doppler ultrasonography , and impedance plethysmography. Venography is the most accurate test, but it is not used much, because it is often painful, expensive, ex...
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
This test uses ultrasound to examine the blood flow in the major arteries and veins in the arms and legs.
Source:ADAM
Date:May 13, 2009
Fibrinogen is a protein produced by the liver. This protein helps stop bleeding by helping blood clots to form. A blood test can be done to tell how much fibrinogen you have in the blood.
Source:ADAM
Date:March 2, 2009
Fibrinogen (Factor I) is a protein that originates in the liver. It is converted to fibrin during the blood-clotting process (coagulation).
Source:Gale Encyclopedia of Medicine
Limb plethysmography is a test that compares blood pressure in the legs and arms.
Source:ADAM
Date:May 12, 2009
Antithrombin III is a blood test that measures the amount of antithrombin III (AT III), a protein that helps control blood clotting.
Source:ADAM
Date:June 10, 2008
Lower extremity venography is a test used to see the veins in the leg. X-rays are a form of electromagnetic radiation like light, but of higher energy, so they can go through the body to form an image on film. Structures that are dense (such as bo...
Source:ADAM
Date:December 2, 2008
Partial thromboplastin time (PTT) is a blood test that looks at how long it takes for blood to clot. It can help tell if you have bleeding or clotting problems.
Source:ADAM
Date:February 21, 2009
The partial thromboplastin time (PTT) test is a blood test that is done to investigate bleeding disorders and to monitor patients taking an anticlotting drug (heparin).
Source:Gale Encyclopedia of Medicine
Prothrombin time (PT) is a blood test that measures the time it takes for the liquid portion (plasma) of your blood to clot. See also: Partial thromboplastin time (PTT)
Source:ADAM
Date:February 21, 2009
The prothrombin time test belongs to a group of blood tests that assess the clotting ability of blood. The test is also known as the pro time or PT test.
Source:Gale Encyclopedia of Medicine
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
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 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
A venogram is a way to look at veins in your body using x-rays and a special dye called contrast. It is most often use to look at veins in the legs and belly area (abdomen. Veins are not normally seen in an x-ray. That is why the special dye is us...
Source:ADAM
Date:June 8, 2009
Venography is an x-ray test that provides an image of the leg veins after a contrast dye is injected into a vein in the patient's foot.
Source:Gale Encyclopedia of Medicine
Phlebography is an x ray test that provides an image of the leg veins after a contrast dye is injected into a vein in the patient's foot.
Source:Gale Encyclopedia of Surgery
Phlebography is an x-ray test that provides an image of the leg veins after a contrast dye is injected into a vein in the patient's foot.
Source:Gale Encyclopedia of Nursing and Allied Health
Magnetic resonance imaging (MRI) is a noninvasive way to take pictures of the body. Unlike x-rays and computed tomographic (CT) scans, which use radiation, MRI uses powerful magnets and radio waves. The MRI scanner contains the magnet. The magneti...
Source:ADAM
Date:October 29, 2008
MRI produces a map of hydrogen atoms distributed in the body. Hydrogen is the simplest element known, the most abundant in biological tissue, and one that can be magnetically polarized. It will align itself within a strong magnetic field, like the...
Source:Gale Encyclopedia of Surgery
Magnetic resonance imaging (MRI) is a unique and versatile medical imaging modality. Doctors can obtain highly refined images of the body's interior using MRI. By using strong magnetic fields and pulses of radio waves to manipulate the natural mag...
Source:Gale Encyclopedia of Nursing and Allied Health
Magnetic resonance imaging (MRI) scanners rely on the principles of atomic nuclear-spin resonance. Using strong magnetic fields and radio waves, MRI collects and correlates deflections caused by atoms into images. MRIs (magnetic resonance imaging ...
Source:Gale Encyclopedia of Neurological Disorders
Magnetic resonance imaging (MRI) is one of the newest diagnostic medical imaging technologies that uses strong magnets and pulses of radio waves to manipulate the natural magnetic properties in the body to generate a visible image. In the field of...
Source:Gale Encyclopedia of Mental Disorders
Magnetic resonance imaging (MRI) is the newest, and perhaps most versatile, medical imaging technology available. Doctors can get highly refined images of the body's interior without surgery, using MRI. By using strong magnets and pulses of radio ...
Source:Gale Encyclopedia of Medicine
Magnetic resonance imaging (MRI) is one of the newest, and perhaps most versatile, medical imaging technology available. Doctors can get highly refined images of the body's interior without surgery using MRI. By using strong magnets and pulses of ...
Source:Gale Encyclopedia of Cancer
Magnetic resonance imaging (MRI) is a diagnostic imaging procedure that uses radio waves, a magnetic field, and a computer to generate images of the anatomy.
Source:Gale Encyclopedia of Children's Health
Plethysmography is a test used to measure changes in blood flow or air volume in different parts of the body. It may be done to check for blood clots in the arms and legs, or to measure how much air you can hold in your lungs. Penile pulse volume ...
Source:ADAM
Date:February 22, 2009
Impedance plethysmography, also called impedance test or blood flow or impedance phlebography , is a non-invasive test that uses electrical monitoring in the form of resistance (impedance) changes to measure blood flow in veins of the leg. Informa...
Source:Gale Encyclopedia of Nursing and Allied Health
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
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
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
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
Hemostasis has been described as "a process by which the body spontaneously stops bleeding and maintains blood in the fluid state within the vascular compartment." There are at least four major systems that are involved in this complex process: th...
Source:Gale Encyclopedia of Nursing and Allied Health
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