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Endocrine dysfunction ICU management
... For all….. Transient leukopaenia (20%). Agranulocytosis is rare ...
... For all….. Transient leukopaenia (20%). Agranulocytosis is rare ...
Nuclear Decay
... – An electron emitted from a decaying neutron in the nucleus – Does not have an atomic mass – Atomic number of -1 ...
... – An electron emitted from a decaying neutron in the nucleus – Does not have an atomic mass – Atomic number of -1 ...
Chapter 3 Nuclear Radiation
... Learning Check A typical intravenous dose of I-125 for a thyroid diagnostic test is 100 Ci. What is this dosage in megabecquerels (MBq)? (3.7 x 1010 Bq = 1 Ci) ...
... Learning Check A typical intravenous dose of I-125 for a thyroid diagnostic test is 100 Ci. What is this dosage in megabecquerels (MBq)? (3.7 x 1010 Bq = 1 Ci) ...
General Endocrine Disorders: Review Questions
... 1. (B) Measurement of growth hormone (GH) levels during an oral glucose tolerance test. The most specific test to diagnose acromegaly is the measurement of GH levels during an oral glucose tolerance test (OGTT). GH is not suppressed during an OGTT in patients with acromegaly, whereas its secretion i ...
... 1. (B) Measurement of growth hormone (GH) levels during an oral glucose tolerance test. The most specific test to diagnose acromegaly is the measurement of GH levels during an oral glucose tolerance test (OGTT). GH is not suppressed during an OGTT in patients with acromegaly, whereas its secretion i ...
Chapter 3 Nuclear Radiation
... Learning Check A typical intravenous dose of I-125 for a thyroid diagnostic test is 100 Ci. What is this dosage in megabecquerels (MBq)? (3.7 x 1010 Bq = 1 Ci) ...
... Learning Check A typical intravenous dose of I-125 for a thyroid diagnostic test is 100 Ci. What is this dosage in megabecquerels (MBq)? (3.7 x 1010 Bq = 1 Ci) ...
(neutron/proton ratio is 1).
... NUCLEAR CHEMISTRY: INTRO 1. Kinetic Stability : probability that an unstable nucleus will decompose into more stable species through radioactive decay. 2. All nuclides with 84 or more protons are unstable and will decay. • Light nuclides where Z = A-Z (neutron/proton ratio is 1). • Nuclides with eve ...
... NUCLEAR CHEMISTRY: INTRO 1. Kinetic Stability : probability that an unstable nucleus will decompose into more stable species through radioactive decay. 2. All nuclides with 84 or more protons are unstable and will decay. • Light nuclides where Z = A-Z (neutron/proton ratio is 1). • Nuclides with eve ...
NUCLEAR CHEMISTRY: INTRO
... NUCLEAR CHEMISTRY: INTRO 1. Kinetic Stability : probability that an unstable nucleus will decompose into more stable species through radioactive decay. 2. All nuclides with 84 or more protons are unstable and will decay. • Light nuclides where Z = A-Z (neutron/proton ratio is 1). • Nuclides with eve ...
... NUCLEAR CHEMISTRY: INTRO 1. Kinetic Stability : probability that an unstable nucleus will decompose into more stable species through radioactive decay. 2. All nuclides with 84 or more protons are unstable and will decay. • Light nuclides where Z = A-Z (neutron/proton ratio is 1). • Nuclides with eve ...
Thyroid Disease: Hypothyroidism
... If your dose of thyroid hormone is too high, you may develop complications such as irregular heartbeats and, over time, osteoporosis. If you have heart disease, too much medicine can cause pain (angina) and irregular heartbeats. If the amount of your medicine is too low, you will still have symptom ...
... If your dose of thyroid hormone is too high, you may develop complications such as irregular heartbeats and, over time, osteoporosis. If you have heart disease, too much medicine can cause pain (angina) and irregular heartbeats. If the amount of your medicine is too low, you will still have symptom ...
Chapter 9 Nuclear Radiation 9.1 Natural Radioactivity Radioactive
... In gamma radiation, • energy is emitted from an unstable nucleus, indicated by m following the mass number. • the mass number and the atomic number of the new nucleus are the same. ...
... In gamma radiation, • energy is emitted from an unstable nucleus, indicated by m following the mass number. • the mass number and the atomic number of the new nucleus are the same. ...
Ch9
... Which of the following radioisotopes are most likely to be used in nuclear medicine? Radioisotopes with short half-lives are used in nuclear medicine. ...
... Which of the following radioisotopes are most likely to be used in nuclear medicine? Radioisotopes with short half-lives are used in nuclear medicine. ...
Chapter 28 for Chem
... Many other things have half lives of minutes or days or years or decades or centuries, or even millions of years. How do you know IF an isotope is stable. Let’s talk about the Band of Stability. The stable isotopes can be calculated using a simple formula. ...
... Many other things have half lives of minutes or days or years or decades or centuries, or even millions of years. How do you know IF an isotope is stable. Let’s talk about the Band of Stability. The stable isotopes can be calculated using a simple formula. ...
Radioactive Elements (pages 139–146)
... determining the ages of natural materials on Earth, tracing the steps of chemical reactions and industrial processes, diagnosing and treating disease, and providing sources of energy. • Radioactive isotopes are useful for two reasons. First, radioactive isotopes change into different elements. Secon ...
... determining the ages of natural materials on Earth, tracing the steps of chemical reactions and industrial processes, diagnosing and treating disease, and providing sources of energy. • Radioactive isotopes are useful for two reasons. First, radioactive isotopes change into different elements. Secon ...
Slide ()
... Regulation of thyroid hormone secretion. Myriad neural inputs influence hypothalamic secretion of thyrotropin-releasing hormone (TRH). TRH stimulates release of thyrotropin (TSH, thyroid-stimulating hormone) from the anterior pituitary; TSH stimulates the synthesis and release of the thyroid hormone ...
... Regulation of thyroid hormone secretion. Myriad neural inputs influence hypothalamic secretion of thyrotropin-releasing hormone (TRH). TRH stimulates release of thyrotropin (TSH, thyroid-stimulating hormone) from the anterior pituitary; TSH stimulates the synthesis and release of the thyroid hormone ...
Presentation for Breed Clubs
... – If the NSB is high the apparent elevation may be caused by something else – like recent vaccination. – If the NSB is very low, and the dog is young, it may be an early sign of autoimmune thyroid disease. We recommend NOT breeding the dog and testing again in 6 months. ...
... – If the NSB is high the apparent elevation may be caused by something else – like recent vaccination. – If the NSB is very low, and the dog is young, it may be an early sign of autoimmune thyroid disease. We recommend NOT breeding the dog and testing again in 6 months. ...
THiRST: Thyroid Hormone Replacement therapy in ST elevation
... Mild TSH abnormalities indicating mild primary hypothyroidism (prevalence in general population 8-12%) are associated with increased mortality for CAD. This support the hypothesis that even mild TH dysfunction plays an important role in the myocardial response to ischemia ...
... Mild TSH abnormalities indicating mild primary hypothyroidism (prevalence in general population 8-12%) are associated with increased mortality for CAD. This support the hypothesis that even mild TH dysfunction plays an important role in the myocardial response to ischemia ...
Nuclear Radiation1516
... When a nucleus fissions, it splits into several smaller fragments. These fragments, or fission products, are about equal to half the original mass. Two or three neutrons are also emitted. The sum of the masses of these fragments is less than the original mass. This 'missing' mass (about 0.1 percent ...
... When a nucleus fissions, it splits into several smaller fragments. These fragments, or fission products, are about equal to half the original mass. Two or three neutrons are also emitted. The sum of the masses of these fragments is less than the original mass. This 'missing' mass (about 0.1 percent ...
Assessment and Management of Patients with Endocrine Disorders
... mellitus. Graves' disease: the most common type of hyperthyroidism, results from an excessive output of thyroid hormones. May appear after an emotional shock, stress, or an infection Other causes: thyroiditis and excessive ingestion of thyroid hormone Affects women 8X more frequently than me ...
... mellitus. Graves' disease: the most common type of hyperthyroidism, results from an excessive output of thyroid hormones. May appear after an emotional shock, stress, or an infection Other causes: thyroiditis and excessive ingestion of thyroid hormone Affects women 8X more frequently than me ...
What is Endocrine Surgery?
... The adrenal glands are small glands that sit on top of the kidneys. The gland has an inner core called the medulla and an outer layer named the cortex. The medulla makes epinephrine and norepinephrine. The cortex makes hormones that help regulate the heart, kidneys, GI tract, bones, genitalia, and i ...
... The adrenal glands are small glands that sit on top of the kidneys. The gland has an inner core called the medulla and an outer layer named the cortex. The medulla makes epinephrine and norepinephrine. The cortex makes hormones that help regulate the heart, kidneys, GI tract, bones, genitalia, and i ...
Ectopic_Hormone_Syndromes
... Due to production of ACTH, or rarely CRH, from source other than pituitary/hypothalamus 15% of all Cushing’s Syndrome Tumors can be very aggressive and therefore pt’s present more like cancer than Cushing’s, or can be indolent tumors and present like Cushing’s Tumors express POMC which is then ...
... Due to production of ACTH, or rarely CRH, from source other than pituitary/hypothalamus 15% of all Cushing’s Syndrome Tumors can be very aggressive and therefore pt’s present more like cancer than Cushing’s, or can be indolent tumors and present like Cushing’s Tumors express POMC which is then ...
Recognizing and treating the return of Graves` disease
... than PTU and with less adverse reactions even on higher doses.5 PTU is favoured during pregnancy as MMI is rarely associated with teratogenicity: aplasia cutis and gastrointestinal defects. Thionamides are generally started until patients are euthyroid, then withdrawn for remission of Graves’ diseas ...
... than PTU and with less adverse reactions even on higher doses.5 PTU is favoured during pregnancy as MMI is rarely associated with teratogenicity: aplasia cutis and gastrointestinal defects. Thionamides are generally started until patients are euthyroid, then withdrawn for remission of Graves’ diseas ...
your invited to an exclusive event
... in family medicine and is certified in Functional Medicine. Dr. Woliner specializes in “difficult to treat” medical conditions such as Hypothyroidism (including: Hashimoto’s Thyroiditis, Central Hypothyroidism, Reverse T3 Syndrome, Graves’ Disease and Resistance to Thyroid Hormone). Dr. Theresa Rams ...
... in family medicine and is certified in Functional Medicine. Dr. Woliner specializes in “difficult to treat” medical conditions such as Hypothyroidism (including: Hashimoto’s Thyroiditis, Central Hypothyroidism, Reverse T3 Syndrome, Graves’ Disease and Resistance to Thyroid Hormone). Dr. Theresa Rams ...
Lab - cnusd
... what would happen to the amount of colloid in the center of the follicle if a person had hyperthyroidism. What would happen to the follicle cells? 4. Which part of Figure 3 shows the cells of a hyperthyroid follicle? Label it “hyperthyroid” 5. Hypothyroidism is a condition in which not enough thyroi ...
... what would happen to the amount of colloid in the center of the follicle if a person had hyperthyroidism. What would happen to the follicle cells? 4. Which part of Figure 3 shows the cells of a hyperthyroid follicle? Label it “hyperthyroid” 5. Hypothyroidism is a condition in which not enough thyroi ...
Document
... Radionuclides are nuclei that are radioactive – i.e., they will spontaneously emit radiation. Atoms containing these nuclei are called radioisotopes. ...
... Radionuclides are nuclei that are radioactive – i.e., they will spontaneously emit radiation. Atoms containing these nuclei are called radioisotopes. ...
mass numbers
... how many milligrams of P-32 remain after 42.9 days? Step 4 Set up the problem to calculate the needed quantity. ...
... how many milligrams of P-32 remain after 42.9 days? Step 4 Set up the problem to calculate the needed quantity. ...
Iodine-131
Iodine-131 (131I), also loosely and nonspecifically called radioiodine, is an important radioisotope of iodine discovered by Glenn Seaborg and John Livingood in 1938 at the University of California, Berkeley. It has a radioactive decay half-life of about eight days. It is associated with nuclear energy, medical diagnostic and treatment procedures, and natural gas production. It also plays a major role as a radioactive isotope present in nuclear fission products, and was a significant contributor to the health hazards from open-air atomic bomb testing in the 1950s, and from the Chernobyl disaster, as well as being a large fraction of the contamination hazard in the first weeks in the Fukushima nuclear crisis. This is because I-131 is a major uranium, plutonium fission product, comprising nearly 3% of the total products of fission (by weight). See fission product yield for a comparison with other radioactive fission products. I-131 is also a major fission product of uranium-233, produced from thorium.Due to its mode of beta decay, iodine-131 is notable for causing mutation and death in cells that it penetrates, and other cells up to several millimeters away. For this reason, high doses of the isotope are sometimes less dangerous than low doses, since they tend to kill thyroid tissues that would otherwise become cancerous as a result of the radiation. For example, children treated with moderate dose of I-131 for thyroid adenomas had a detectable increase in thyroid cancer, but children treated with a much higher dose did not. Likewise, most studies of very-high-dose I-131 for treatment of Graves disease have failed to find any increase in thyroid cancer, even though there is linear increase in thyroid cancer risk with I-131 absorption at moderate doses. Thus, iodine-131 is increasingly less employed in small doses in medical use (especially in children), but increasingly is used only in large and maximal treatment doses, as a way of killing targeted tissues. This is known as ""therapeutic use.""Iodine-131 can be ""seen"" by nuclear medicine imaging techniques (i.e., gamma cameras) whenever it is given for therapeutic use, since about 10% of its energy and radiation dose is via gamma radiation. However, since the other 90% of radiation (beta radiation) causes tissue damage without contributing to any ability to see or ""image"" the isotope, other less-damaging radioisotopes of iodine such as iodine-123 (see isotopes of iodine) are preferred in situations when only nuclear imaging is required. The isotope I-131 is still occasionally used for purely diagnostic (i.e., imaging) work, due to its low expense compared to other iodine radioisotopes. Very small medical imaging doses of I-131 have not shown any increase in thyroid cancer. The low-cost availability of I-131, in turn, is due to the relative ease of creating I-131 by neutron bombardment of natural tellurium in a nuclear reactor, then separating I-131 out by various simple methods (i.e., heating to drive off the volatile iodine). By contrast, other iodine radioisotopes are usually created by far more expensive techniques, starting with reactor radiation of expensive capsules of pressurized xenon gas.Iodine-131 is also one of the most commonly used gamma-emitting radioactive industrial tracer. Radioactive tracer isotopes are injected with hydraulic fracturing fluid to determine the injection profile and location of fractures created by hydraulic fracturing.Much smaller incidental doses of iodine-131 than those used in medical therapeutic procedures, are thought to be the major cause of increased thyroid cancers after accidental nuclear contamination. These cancers happen from residual tissue radiation damage caused by the I-131, and usually appear years after exposure, long after the I-131 has decayed.