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Although microbiologist Robert Koch confirmed the bacterial nature of anthrax in 1876 anxiety symptoms for 3 months 25 mg phenergan buy otc, anthrax has plagued the world for lots of centuries anxiety symptoms crying 25 mg phenergan cheap mastercard, even in biblical instances anxiety love phenergan 25 mg order free shipping. Anthrax infection is found amongst hoofed animals such as cattle anxiety network phenergan 25 mg trusted, sheep, goats, pigs, bison, antelopes, and elephants. In the autumn of 2001, following the terrorist assaults on the World Trade Center, 5 individuals died from publicity to anthrax in what most believe had been purposeful acts of bioterrorism. In whole there have been 19 confirmed and 4 suspected circumstances occurring across the United States in Florida, Pennsylvania, Maryland, New York, Virginia, Connecticut, New Jersey, and the District of Columbia. Over 32,000 folks were handled for potential exposure, a lot of whom have been postal staff, between October eight and November 9, 2001. Anthrax poisoning can happen by ingestion, absorption through an open wound on the skin, or inhalation, which is essentially the most harmful route. Anthrax infects by releasing two toxins, edema toxin and lethal toxin, which trigger necrosis and exudate accumulation and trigger signs such as pain, edema, and restricted activity. The anthrax-binding receptor binds with a human cell, allowing the bacterial toxins to enter. Anthrax produces heat and chemically resistant spores, which may remain viable in soil for many years. In the anthrax assaults within the United States in fall 2001, anthrax was delivered as a fantastic powder. Anthrax can also be treated with other antibiotics corresponding to penicillin, ampicillin, vancomycin, erythromycin, tetracycline, and doxycycline. Inhalation anthrax publicity may necessitate the combined use of ciprofloxacin and doxycycline however have to be accomplished immediately to keep away from dying. The public should be discouraged from looking for the prophylactic use of antibiotics in circumstances the place anthrax exposure has not been confirmed. Indiscriminate, pointless use of antibiotics could be expensive, can cause significant opposed results, and can promote the appearance of resistant bacterial strains. The vaccine is ready from proteins from the anthrax micro organism, dubbed "protecting antigens. Immunization for anthrax consists of three subcutaneous injections given 2 weeks aside, followed by three further subcutaneous injections given at 6, 12, and 18 months. Until these issues are resolved, the usage of anthrax immunization will likely stay limited to choose groups. Botulism is attributable to Clostridium botulinum, an organism that secretes a potent toxin that paralyzes the muscles after an individual is poisoned. Respiratory failure and paralysis might pressure a affected person to be on a ventilator for weeks or months. Treatment includes immediate administration of an antitoxin and assisted air flow till patients are capable of perform independently. The antitoxin should be given as soon as potential and never delayed pending the microbiologic testing. A pentavalent toxoid vaccine for botulism prophylaxis is out there as an investigation drug via the Department of Defense. It is extremely contagious and may be lethal if untreated inside 24 hours of contact. Within 1 to 6 days of publicity, the patient would be infectious to everyone she or he has are out there in contact with throughout that point. Symptoms include fever and weakness, fast improvement of pneumonia, chest ache with shortness of breath, cough, and bloody sputum. Without immediate therapy, respiratory failure will end result followed by shock and dying. Treatment with antibiotics must occur within 24 hours and final for no less than 7 days to forestall death from the an infection. Caused by the organism Francisella tularensis, tularemia is a serious infectious illness found in rodents, rabbits, and hares. Cases have been reported in virtually each state, although general the an infection is uncommon in the United States. As a organic weapon probably the most casualties could be with aerosol release in an area of high population, causing hemorrhagic inflammation of the respiratory airway. Tetracyclines and chloramphenicol can be utilized for a minimal of 14 days however have the next rate of relapse and remedy failure. In mass casualty incidents, oral doxycycline for 14 to 21 days and ciprofloxacin for 10 days are most well-liked for adults and kids. Although believed to be eradicated with the last case within the United States occurring in 1949 and in Somalia in 1977, the virus may still be stockpiled in laboratories across the world to be used as a organic weapon. Generally personal contact is needed to unfold this illness, however only some viral droplets unfold via the air or on contaminated objects are wanted to produce the disease. The vaccination provides immunity for three to 5 years and is effective if given previous to exposure to the virus or as a lot as three days postexposure. Viral hemorrhagic fevers, which are attributable to a variety of virus households, could cause extreme bodily harm affecting a quantity of organ methods. The host could be the cotton rat and deer mouse but some, corresponding to Ebola or Marburg, have unknown hosts. Ribavirin is an antiviral drug that has proven some success in treating Lassa fever. This class consists of exotic brokers that can be transmitted by aerosol and pose a high risk of life-threatening illness. Most instances are geographically restricted to the areas where the rodents exist (Tortora, Funke, & Case, 2010). Chemical warfare agents have been used since World War I, but few drug antidotes exist today. Many remedies provide minimal assist apart from to relieve some signs and provide consolation following publicity. Persons who breathe nerve fuel expertise convulsions and lack of consciousness, which lead to respiratory failure within minutes. Chemicals that burn the eyes, skin, or lining of the respiratory tract on contact Pulmonary and choking brokers. Chemicals that irritate the lung and trigger swelling and choking Incapacitating brokers. Chemicals that alter consciousness, making it tough for the patient to assume clearly Long-acting anticoagulants. Bioterrorists might use nuclear bombs or assault nuclear services that could trigger mass casualty deaths on the point of impact and create residual ionizing radiation for miles across the website. Smaller scale radiation may happen with the discharge of stable or liquid nuclear material into public areas or a dirty bomb, which explodes with radioactive powder or pellets, contaminating the area. Radiation sickness occurs after publicity to ionizing radiation and can final from hours to days. Initial signs embrace nausea, vomiting, and diarrhea with later symptoms of weight reduction, anorexia, fatigue, and suppression of the bone marrow. When exposed to large amounts of radiation or to small quantities over many many years, sufferers are probably to develop sure malignancies such as leukemia or thyroid cancer. Because iodine is naturally concentrated in the thyroid gland, I-131 will immediately enter Nerve agents. Used for riot or crowd control by regulation enforcement or for self-defense; irritates the eyes and the respiratory tract, leading to incapacitation Toxic alcohols. Chemicals that damage very important organs corresponding to the heart, kidneys, and nervous system Vomiting brokers. Immediate ache with blisters later-necrosis equal to second- and third-degree burns. Conjunctivitis, reddened pores and skin, blisters, nasal irritation, inflammation of throat and lungs. Very excessive, days to weeks Salivation Lacrimation Urination Defecation Gastric disturbances Emesis Remove contaminated clothing. For example, following the Chernobyl nuclear disaster, the incidence of thyroid most cancers within the Ukraine jumped from 4 to 6 circumstances per million folks to forty five instances per million. It has no protecting effects on other physique tissues, and it offers no protection in opposition to the dozens of different harmful radioisotopes generated by a nuclear explosion. Acetaminophen is a typical toxin as a result of so many analgesic medications contain this drug. Although legal for adults, alcohol is a possible poison and its abuse is a major well being problem within the United States. Ingestion of alcohol, together with sure prescribed drugs, amphetamines, hallucinogens, barbiturates, tranquilizers, opiates, or inhaled substances similar to solvents or glue can create life-threatening situations.
For instance anxiety phenergan 25 mg cheap on line, infants anxiety nausea phenergan 25 mg generic overnight delivery, pregnant ladies anxiety medication side effects discount 25 mg phenergan with amex, nursing moms anxiety zone ms fears phenergan 25 mg purchase with mastercard, older adults, those eating a vegan or vegetarian diet, and those with persistent illnesses usually require bigger quantities of vitamins and minerals to preserve optimum well being. Men and women can have different vitamin and mineral needs as do persons who participate in vigorous exercise. With normal getting older, the absorption of food diminishes and the quantity of ingested food is usually lowered, resulting in the next threat of vitamin deficiencies in older adults. Vitamin deficiencies in patients with persistent liver and kidney illness are nicely documented. Alcohol is thought for its capability to inhibit the absorption of thiamine and folic acid: Alcohol abuse is the commonest reason for thiamine deficiency in the United States. Inhibition of vitamin B12 absorption has been reported with numerous drugs, together with omeprazole (Prilosec) and metformin (Glucophage), alcohol, and oral contraceptives. Nurses must be conscious of these drug interactions and advocate vitamin dietary supplements when appropriate. However, vitamins must be seen as a supplement to a healthy diet throughout being pregnant. A frequent apply in prenatal care is for pregnant ladies to take prenatal vitamin dietary supplements. These vitamins comprise numerous nutrients, and folic acid, calcium, and iron are especially necessary. Folic acid, which is considered one of many B vitamins, is commonly highlighted as a need in being pregnant because it prevents delivery defects corresponding to spina bifida, other neural tube issues, and congenital coronary heart situations. Because birth defects can take place early in being pregnant, taking prenatal nutritional vitamins is beneficial if a lady is making an attempt to get pregnant. Supplementation can stop the lack of bone density from the mom because the fetus absorbs calcium for bone development. Women who experience morning illness and vomiting are in danger for dietary iron deficiency. Also, women with poor diets or heavy menstrual intervals before pregnancy can start their being pregnant with a mineral deficiency. Iron dietary supplements must be taken separately from calcium-rich food and caffeine as a result of these intrude with iron absorption. Because high quantities are extraordinarily poisonous, iron dietary supplements must be kept away from children to avoid unintentional poisoning. The following are general traits of vitamin deficiency issues: Mechanism of Action: As a fat-soluble vitamin, vitamin A acts as a cofactor within the synthesis of mucopolysaccharides, synthesis of ldl cholesterol, and the metabolism of steroids. Deficiencies within the United States are most often the outcomes of poverty, fad diets, persistent alcohol or drug abuse, or extended parenteral feeding. Adverse Effects: Adverse effects with vitamin A are rare however the well being care provider ought to be notified of issue respiratory; hives; swelling of the lips, face, or tongue; or closing of the throat. Overdose could end in hypervitaminosis syndrome symptoms similar to fatigue, nausea, vomiting, decreased appetite, headache, gingivitis, dryness or cracking of the lips or skin, irritability, or lack of hair. Contraindications/Precautions: Contraindications to vitamin A remedy include a historical past of sensitivity to vitamin A or to any ingredient in the formulation or hypervitaminosis. Vitamin A might falsely enhance serum ldl cholesterol determinations or falsely elevate bilirubin determination. Vitamin A (Aquasol A) Therapeutic Effects and Uses: Vitamin A is essential for the conventional progress and growth of bones and enamel, pure immunity, integrity of epithelial and mucosal surfaces, and vision with the synthesis of visible purple necessary for adaptation to the dark (treats night blindness). Vitamin A replacement therapy is used when metabolic wants are increased such as in pregnancy, during lactation, or with infections. Vitamin A can be utilized in replacement remedy for circumstances affecting the absorption, mobilization, or storage of vitamin A similar to steatorrhea, severe biliary obstruction, liver cirrhosis, or total gastrectomy. Some skin conditions such as folliculosis keratosis or psoriasis respond favorably to topical preparations of vitamin A. Vitamin A has antioxidant properties and can be used as a screening take a look at for fat malabsorption. Drug Interactions: the patient should consult with the health care provider if using mineral oil as a end result of this can deplete fatsoluble nutritional vitamins. Patient and Family Education: Consume meals which are wealthy in vitamin A such as liver, whole milk, cheese, and eggs. Avoid use of mineral oil throughout vitamin A therapy because it can interfere with the absorption of this vitamin. Nephrotoxicity might occur with signs similar to polyuria, polydipsia, nocturia, albuminuria, hematuria, and kidney failure. Chronic hypervitaminosis with vitamin D can happen in children, resulting in psychological and physical retardation or suppression of linear growth. Contraindications/Precautions: Precaution ought to be taken in patients with a identified hypersensitivity to vitamin D, hypervitaminosis, hypercalcemia, hyperphosphatemia, renal osteodystrophy with hyperphosphatemia, malabsorption syndrome, or decreased kidney function. Use cautiously in patients with coronary disease, arteriosclerosis (especially in older adults), history of kidney stones, biliary tract illness, or throughout lactation. Drug Interactions: Consult with the health care supplier if utilizing mineral oil because it could deplete the supply of fatsoluble nutritional vitamins in the physique. Prescribers ought to avoid calcitriol and its analogs as a result of they could increase the incidence of hypercalcemia. Vitamin D (Calcijex, Rocaltrol) Therapeutic Effects and Uses: Vitamin D performs a major regulatory role in serum calcium ranges. It maintains regular blood calcium and phosphate electrolyte levels by enhancing their intestinal absorption and by selling mobilization of calcium from bone and the renal reabsorption of phosphate. Vitamin D is used to deal with skeletal ailments that weaken the bones corresponding to familial hypophosphatemia (vitamin D�resistant rickets), osteomalacia (adult rickets), osteoporosis, renal osteodystrophy, and hypocalcemia related to hypoparathyroidism. Sometimes vitamin D is useful in treating psoriasis, rheumatoid arthritis, and lupus vulgaris. A drug prototype characteristic for calcitriol, the lively type of vitamin D, is included in Chapter seventy five. The secure use of vitamin D in quantities exceeding 400 worldwide units (10 mcg) daily throughout being pregnant has not been established. For people ages 51 to 70, the minimum dose increases to 400 worldwide units per day. About half of each vitamin D dose is excreted in bile however it could be stored in tissues for months. Some potential adverse effects embody fatigue, weakness, dizziness, ataxia, muscle and joint ache, hypotonia (infants), pruritus, headache, drowsiness, photophobia, or convulsions. Musculoskeletal Nursing Responsibilities: Key nursing implications for patients receiving vitamin D are included within the Nursing Practice Application for Patients Receiving Vitamin or Mineral Supplementation Therapy on pages 1126�1127. Dietary sources include egg yolks, fortified cereals and milk, cod liver oil, and fish similar to halibut, mackerel, shrimp, pink salmon, and sardines. Contraindications/Precautions: Vitamin E ought to be used with warning in bleeding disorders and thrombocytopenia or throughout pregnancy. Large doses could worsen iron deficiency anemia as a outcome of it may impair the hematologic response to iron. Drug Interactions: Mineral oil should be prevented because it can deplete fat-soluble vitamins. Vitamin E (Aquasol E, Vita-Plus E, Others) Therapeutic Effects and Uses: Vitamin E has many therapeutic makes use of. It prevents cell membrane and protein damage, protects in opposition to blood clot formation by lowering platelet aggregation, enhances vitamin A utilization, and promotes the normal development and growth and tone of muscles. As an antioxidant, vitamin E prevents preoxidation, which releases free radicals or extremely reactive chemical buildings that injury cell membranes and alter nuclear proteins. It can also be used to stop retinopathy associated with vitamin E deficiency in neonates, and to deal with diseases with secondary erythrocyte membrane abnormalities. Vitamin E is included in most multivitamin formulations and will appear in deodorant preparations as an antioxidant. Nursing Responsibilities: Key nursing implications for patients receiving vitamin E are included in the Nursing Practice Application for Patients Receiving Vitamin or Mineral Supplementation Therapy on pages 1126�1127. Vitamin deficiency may occur as a outcome of regular physiological changes related to aging and nutrient absorption or treatment interactions. With excessive doses signs may include fatigue, headache, skeletal muscle weak spot, nausea, diarrhea, intestinal cramps, thrombophlebitis, contact dermatitis, blurred imaginative and prescient, or irregular bleeding. With poisonous levels laboratory tests may reveal increased serum creatine kinase, ldl cholesterol, and triglycerides; decreased serum thyroxine and triiodothyronine; elevated urinary estrogens and androgens; and creatinuria. It helps preserve healthy bones, assists in healing fractures, and minimizes osteoporosis. Phytonadione is concentrated briefly in the liver after absorption, crosses the placenta, and is secreted within the breast milk of nursing mothers.
Nociceptive information from the body periphery reaches the central nervous system via major afferents that terminate in the dorsal horn of the spinal cord anxiety symptoms after quitting smoking proven phenergan 25 mg. The dorsal horn incorporates a giant quantity of inhibitory and excitatory interneurons anxiety symptoms eyes phenergan 25 mg cheap free shipping, which permits for advanced processing of nociceptive information anxiety pregnancy 25 mg phenergan generic mastercard. From the dorsal horn anxiety symptoms 100 phenergan 25 mg buy with amex, nociceptive information is transmitted to numerous larger regions through several ascending pathways to specific elements of the brainstem, midbrain, thalamus and hypothalamus amongst others, and eventually reaches the cortex. The idea of a descending pain-modulating system was introduced by Melzack and Wall in their article on the gate control principle of pain,sixteen by which a system of supraspinal origin that is ready to management spinal nociceptive processing was proposed. Consistent with this proposal, animal experiments highlighted that several areas, particularly within the midbrain and brainstem, are involved in modulating the responses of spinal wire neurons to noxious stimuli and that opioidergic neurotransmission plays a crucial role. A great amount of animal research has proven that pain inhibition happens in a wide range of situations, with the most prominent instance being stress-induced analgesia (stress being usually induced by footshocks). Inhibition of nociceptive processing is noticed not only throughout situations that can be categorized as aversive, but in addition during behaviors essential for survival, corresponding to micturition and feeding. As an animal has a restricted set of behaviors that could be carried out at the similar time, a call has to be made which motivational state is given priority and thus allowed to drive habits. In some circumstances, it will be clearly useful for the animal if pain-related habits is inhibited. With regard to studies in people, the results of the above-mentioned animal studies within the aversive area have been partly replicated (stress-induced analgesia79,eighty and conditioned analgesia81). Interestingly, placebo analgesia has many ties to reward processing,82�84 and a placebo may even be thought-about as a reward-predicting cue, because it implies subsequent pain reduction, which is rewarding in the context of pain. While this seminal study has initially been criticized on the grounds of experimental design and knowledge evaluation,85�87 it paved the way for subsequent investigations that showed a considerably decreased placebo analgesic impact underneath naloxone in both experimental and scientific pain models. Of specific curiosity for the present dialogue is a study during which these authors induced somatotopically specific placebo effects, which could be antagonized by systemic naloxone administration,96 indicating that endogenous opioids can act very selectively. Following up on the findings of Petrovic et al,ninety nine Wager and colleagues105 also investigated whether regions of the descending ache management system would show enhanced activation beneath the placebo condition. For this examine, we recruited forty eight members who have been assigned to two groups on a double-blind basis, one receiving the opioid antagonist naloxone and the opposite receiving saline. Before every section, members were treated with two equivalent lotions on two separate areas of their left forearm. Participants have been informed that one cream was a extremely effective pain reliever, whereas the other served as a sensory control. The experiment occurred on two consecutive days and consisted of three phases: manipulation day 1, manipulation day 2, and test day 2. Before the take a look at part began, subjects either acquired an injection of saline or naloxone. Before the check section began, individuals either obtained an intravenous injection of saline or naloxone. Importantly, naloxone selectively influenced pain scores in the placebo situation, however had no effect whatsoever on pain ratings within the management condition. Participants in the saline group additionally tended to rate the analgesic efficacy of the cream as greater when requested after the experiment. While these results conceptually replicate the early reports of naloxone blocking placebo analgesia,15,88�90 it may be very important keep in mind that self-report measures of placebo analgesia similar to pain rankings can be influenced by demand traits. Next, we requested the critical question of whether or not the behavioral impact of naloxone (blockade of placebo effects) would be mirrored in the responses of pain-processing areas, i. This not only replicated the outcomes of previous imaging studies105�107,109 but in addition prolonged these findings by demonstrating a causal role of opioidergic neurotransmission of their technology, and moreover instructed that the disruptive impact of naloxone on placebo analgesia is applied by naloxone blocking the placebo-induced discount of responses in pain-processing regions: however see Refs. In a next step, we therefore investigated whether core areas of the descending ache control system, as revealed by animal studies. To examine the responses of the lower opioid system with larger accuracy and sensitivity, we employed a brainstem-dedicated image processing strategy. Interestingly, the responses in the lower opioid system had been highly correlated with the behavioral placebo effect in the saline group, but considerably less in the naloxone group, indicating that the responses on this phylogenetically conserved system of pain management are functionally related, as one would anticipate from earlier stimulation research in animals. All three structures moreover showed responses that were correlated with the strength of the behavioral placebo impact. Finally, we investigated the integration of the cortical responses and the lower opioid system. Responses in this system were opioid-dependent and likewise predictive of placebo-analgesic results on the behavioral and neural level. First, the pharmacological challenge of the endogenous opioid system through naloxone is nonspecific with regard to the sort of opioid receptors concerned, as a result of naloxone binds to all three classes of opioid receptors (, and; note though that it has a slightly higher affinity for -opioid receptors140). For example, studies in experimental92,142 and clinical ache states91,143 have proven non-opioidergic placebo effects-some of that are depending on endocannabinoid signalling144- and a reanalysis of the information by Petrovic and colleagues99 suggests that ventrolateral prefrontal cortex exercise represents non-opioidergic contributions to placebo analgesia. Thus, whereas the present state of knowledge is clearly suggestive of an involvement of the descending pain management system in placebo analgesia, there are clearly many unanswered questions. To set up whether or not sure pain-modulatory phenomena, such as placebo analgesia, indeed make use of descending pain management to modify spinal mechanisms, you will need to examine the endpoint of the descending pain control system, i. Second, static magnetic subject inhomogeneities predominate as a outcome of the alternation of vertebrae and connective tissue,165 leading to a periodic lack of signal along the rostrocaudal axis of the spinal twine. In a more modern research, Matre et al157 used a model of secondary hyperalgesia so as to obtain proof for a modulation of spinal processing beneath placebo analgesia. Combining conditioning and expectation parts of their paradigm, the authors had been to begin with capable of present a major placebo analgesic impact on the subjective level, i. The authors then went on to assess the extent of secondary hyperalgesia-which develops across the site of the noxious thermal stimulation-in each conditions. Importantly, the zone of secondary hyperalgesia where punctate hyperalgesia and stroking hyperalgesia (allodynia) might be noticed was considerably lowered underneath placebo compared to a management situation. As these forms of secondary hyperalgesia are dependent on sensitization of neurons within the dorsal horn of the spinal wire, this examine offered proof for the hypothesis that placebo analgesia involves a modulation of spinal nociceptive processing. Transversal slices through the brain (left) and the cervical spinal twine (middle) on the identical scale present how minuscule the backbone is in relation to the brain. The enlarged section (right) indicates that a normal in-plane voxel dimension of three � three mm can be a lot too coarse to picture the spinal cord. Note that because of the imaging sequences used, cerebrospinal fluid is black in the mind section and white within the spinal twine section, whereas grey matter is dark in the mind section and white in the spinal twine part. While neither segmental nor anterior�posterior specificity was demonstrated in these two experiments, they however suggest that non-invasive imaging of fundamental elements of painrelated responses (intensity and laterality) within the human spinal cord is feasible, and so they highlight the potential for imaging endogenous modulation of nociceptive spinal processing. In specific, we positioned the slices perpendicular to the spinal wire, using a slice thickness of 5 mm so as to obtain an adequate signal-to-noise ratio despite the somewhat high in-plane decision (1 mm � 1 mm). This was the strongest response in all the imaged spinal segments, suggesting a good specificity of our technique with regard to lateralization and segmental localization. Participants additionally showed a significant placebo impact, as evidenced by decrease pain rankings underneath the placebo situation as in comparability with the management condition. These information thus provided direct proof that placebo analgesia can have an result on nociceptive processing already at the earliest stage of the central nervous system, specifically the dorsal horn of the spinal wire, as was already hypothesized within the first neurobiological study on placebo analgesia. First of all, we do not know through which brainstem mechanisms inhibition of spinal processing is realized. The group-averaged parameter estimates (reflecting the power of activation) on the best had been obtained from the voxel that exhibited the strongest response to pain and clearly present a big discount beneath placebo in comparison with management. In a separate behavioral research, we had been furthermore in a place to present that the observed pain discount could be attributed to opioidergic processes, as it was strongly decreased when the opioid antagonist naloxone was given. A promising step in this direction is the utilization of mediation analysis, which has shown that exercise in several pain-processing areas mediates the impact of predictive cues on pain notion. While each of these phenomena has a distinct repertoire of mechanisms, there are additionally some fascinating overlaps. First of all, decreased exercise in pain-processing areas has, for example, additionally been observed in studies on distraction,214,215 conditioned analgesia,eighty one perceived controllability,216 hypnosis217 and heterotopic noxious conditioning stimulation. When viewed collectively, these studies suggest that placebo analgesia is configured by way of a quantity of mechanisms, however that descending control of nociception, as first described by Melzack and Wall16 in their gate-control concept, is clearly one of those mechanisms. The detection and perceived depth of noxious thermal stimuli in monkey and in human. Pain depth processing throughout the human brain: a bilateral, distributed mechanism.
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