Dose Rate Of Thallium Injection During Stress Test And Thallium

Radiation (also known as nuclear radiation) refers to particles or waves emitted by radioactive substance. Nuclear radiation comes from the waves from a nucleus. Ionising radiation can

Its gamma ray energy of about 140 keV is convenient for detection. The fact that both its physical half-life and its biological half-life are very short leads to very fast clearing from the body after an imaging process. The help that the scan provides using technetium 99m easily out ways the risks in its use. Technetium 99m is inserted into the body through an injection or iv (inter-vascular). It then breaks up in the body via gamma radiation, it builds up where there is an increased flow in blood which indicates a disease. Or in areas of abnormality. This build up is detected by a gamma camera and then a scan is produced imaging a physical image ready to be examined or viewed. Some specific benefits include low gamma radiation, short half-life (approximately 6 hours), a minute harm to the body, and the ease and flow in the time it takes to pass through the body. Overuse of this radioisotope could lead to cancer or other abnormalities to the brain or

Radiation is part of the aftermath of war. In “Thunder in Roses” people everywhere are affected. The author stated “The air is becoming radioactive.” (Sturgeon 191). Only a few million people were left after the war hit them. Most of the bombs that hit the states were nuclear. “So saturated is the atmosphere with Carbon Fourteen

Ionizing radiation is a form of radiation that can alter the structure of DNA molecules in living cells. It is a kind of energy produced by atoms that travels in form of electromagnetic waves. Sources of this form of energy are x-ray

Radiation dose is the quantity of radiation energy bored by the food as it passes through the radiation field during processing. Needless to say the radiation for

According to the health physics society, radiation is an energy that comes from a source and travels through space which may be able to penetrate various materials. In the past few weeks of our chemistry class I have learned that atoms whom have an unstable nuclei are radioactive, these atoms give off excess energy which are radiation rays. Radiation varies from gamma, beta, and alpha rays. Gamma rays have the shortest wavelengths and highest frequencies. Gamma rays are the most energetic form of light produced by the hottest regions of the universe and emitted by the nucleus of radioactive atoms. Because of this, gamma rays are used to penetrate tissue property, such as in the use of CT scans, and radiation therapy. Alpha particles are also ejected by the nuclei of unstable atoms; however, they are large and consist of two protons and two neutrons. Although alpha particles have a high mass, they are the most destructive form of radiation with a low penetrating force; a single piece of paper can block alpha particles. Beta particles are much

In the class, it has been stressed that there is an importance to lower the radiation dose to the patient. It is important to lower the dose of radiation because it reduces the chance of radiation induced complications. It is the one of the priorities of a radiographer to reduce the radiation dose to the patient. This article was informative of another way to reduce the dose to the patient. Radiation dose for all patients should be reduced as much as possible because radiation does have harmful effects and should be limited throughout a year. The project was done to “determine if having a laser targeting system would decrease the radiation dose by eliminating unintentional radiation prior to localizing the region of interest” (Schenk & Johnston p. 39). The idea behind laser targeting was to limit and reduce the time it took to do the procedure, by reducing time exposed to radiation it lowers the dose to the patient. The laser “aids the technologist in properly aligning the c-arm in the desired position without exposing the patient to radiation” (Schenk & Johnston p. 42). Before the radiation dose was higher because the part of interest was located while radiation was occurring. Now to know that the laser can locate the part of interest before exposing the patient to radiation will help allow me to reduce patient dose if there is a laser with that particular fluoroscopic machine. Even though this experiment was done using pediatric patients, it is relevant information for adult patients as well because it is important to lower radiation dose regardless of age. This information will be helpful in the future because fluoroscopy is a common procedure and if there is a laser available on the machine, it should be utilized so radiographers and students can help reduce the radiation dose to that patient especially, now that it was found to have some effect on

The radioactive isotope thallium 201 behaves physiologically as a potassium analog, and when injected intravenously accumulates rapidly within the cells of many organs. Some scientist believe that redistribution images obtained four to six hours after stress injection.

In radiological protection it is important to shield areas that are susceptible to radiation with lead shielding, use of proper collimation, limiting time of exposure, keep the time of exposure as short as possible, increasing the distance of the source of radiation and the pregnant patient, using the ALARA principle (As low as reasonably achievable) and if possible the physician should determine if the examination can be delayed until after pregnancy. Also, proper equipment performance and calibration must be tested

Trends of monitored, exposed radiation workers, collective doses, annual average dose, exposed annual average dose of medical, industry and research during the year 1999 to 2008 are discussed in detail.

People say you can’t fight fire with fire, however, radiation can do just that. Although radiation is known to cause many types of cancer, it is also one of the most effective cures. Radiation as a treatment has been used for years, but in recent years, modern technology allows radiation to become more effective and precise. Radiation is a positive treatment for cancer because it kills cancer cells, it is non-invasive, and it prevents cancer from coming back.

The most important factor of the three is the amount of the dose that the body absorbs - the amount of energy which deposits in the human body. The more energy absorbed by the cells, the greater amount of biological damage occurs. Health physicists refer to the amount of energy absorbed by the body as the radiation

Radiation affects people differently depending on how much the person is exposed to. If a population receives a radiation

The severity is so detrimental that radiation exposure is highly regulated by The U.S. Nuclear Regulatory Commission (NRC) which is the federal agency responsible for protecting the health and safety of

Since the discovery of the mysterious disease; cancer, oncologists and physicians are keen on finding a cure for it or at least minimize the risk of it. Treatment methods have evolve over time. One of the effective yet hazardous methods in treatment lately for cancer is by the use of radiation. Radiation therapy is an ionizing radiation that uses gamma rays in high-energy to shrink and destroy the suffering cells. In specific, it targets these irregular cells and cause harm either to the DNA straight away or by creating free radicals, which in turn damages the DNA of cells and cause them to stop growing and die.