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Parenchymal changes of the lung can often be evaluated adequately without the use of intravenous contrast. CT pulmonary angiogram: 20 ml [notes 2] 17 ml [notes 2] 15 ml [notes 2] Minimal amount when using specific low-contrast protocol. [notes 2] CT of abdomen: Overall: 70 ml [11] 60 ml [11] 55 ml [11] Liver: 55 ml [notes 3] 45 ml [notes 3] 40 ...
Premedication is using medication before some other therapy (usually surgery or chemotherapy) to prepare for that forthcoming therapy.Typical examples include premedicating with a sedative or analgesic before surgery; using prophylactic (preventive) antibiotics before surgery; and using antiemetics or antihistamines before chemotherapy.
With such a protocol, only 7–10 g of iodine (20–30 cc of 370 mg/ml iodine solution) may be needed. [10] Many hospitals use bolus tracking, where the scan commences when the contrast is detected at the level of the proximal pulmonary arteries. If this is done manually, scanning commences about 10–12 seconds after the injection has started.
In angiography, a saline flush is used to improve the dispersion of contrast media before imaging, This can prevent streak artefact due to concentrated bands of contrast media in the superior vena cava and brachiocephalic vein. Flushing can also increase hydration within contrast media, thus reducing the risk of contrast induced nephro toxicity ...
Since these 3 medicinal drugs are "concomitant" to each other, such a constellation is called "concomitant drugs". [1] Contrast imaging in medicine is another example. These are imaging procedures in medicine that are performed after giving the patient an iodinated contrast medium (e.g. different types of contrast X-rays, CTs, MRIs). It is well ...
Pre-exposure prophylaxis (PrEP), is the use of medications to prevent the spread of disease in people who have not yet been exposed to a disease-causing agent. Vaccination is the most commonly used form of pre-exposure prophylaxis ; other forms of pre-exposure prophylaxis generally involve drug treatment, known as chemoprophylaxis .
Either high osmolar contrast medium or low osmolar contrast medium can be used (with concentration of 150 mg/ml). Low density contrast medium is used to prevent obscuring of the calculus. Antibiotic prophylaxis and pre-medication is given one hour before the procedure. Painkillers is given during the procedure.
In 2012, the US DHHS included guidelines on occupational PEP (oPEP) use for individuals with HIV exposures occurring in health care settings. [ 18 ] Since taking HIV-attacking medications shortly after exposure was proven to reduce the risk of contracting HIV, this led to research into pre-exposure prophylaxis by taking medication before a ...