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Prior to administration of a general anaesthetic, the anaesthetist may administer one or more drugs that complement or improve the quality or safety of the anaesthetic or simply provide anxiolysis. Premedication also often has mild sedative effects and may reduce the amount of anaesthetic agent required during the case.
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.
If the patient is receiving a "concomitant" medicinal drug (prescribed to the patient by another physician), and the radiologist performing the imaging procedure is unaware of this, potentially harmful side-effects can occur and increase the risk of contrast medium-induced nephropathy (i.e. increase the risk of damage to the kidneys).
Contrast CT of a patient with brain metastases from breast cancer, before (left) and after (right) injection of iodinated contrast.. Iodinated contrast is a form of water-soluble, intravenous radiocontrast agent containing iodine, which enhances the visibility of vascular structures and organs during radiographic procedures.
MRI contrast agents may be administered by injection into the blood stream or orally, depending on the subject of interest. Oral administration is well suited to gastrointestinal tract scans, while intravascular administration proves more useful for most other scans. MRI contrast agents can be classified [2] by their: Chemical composition
Elon Musk has endorsed Nigel Farage's populist party Reform UK, which is rivalling Britain's two major groups in public support. But his backing brings some risk for Farage.
Manifest Your Goals. Taking time on New Year's Eve to truly meditate and reflect on the year ahead is an excellent way to head into the new year with a focused, clear mindset.Try breaking your ...
Treatment Improvement Protocols (TIPs) are a series of best-practice manuals for the treatment of substance use and other related disorders. The TIP series is published by the Substance Abuse and Mental Health Services Administration (SAMHSA), an operational division of the U.S. Department of Health and Human Services .