Most pediatric practices do not recommend the use of forehead thermometers on children due to the external variables that can affect their measurements. For adults, or children who can hold a thermometer in their mouth, oral temperatures are the most accurate. It's clear that you don't know what you are talking about. A: A digital thermometer can take an oral, rectal or axillary temperature. As you scan it, the thermometer is taking hundreds of measurements per second of the heat the persons body is giving off.. Furthermore, no significant changes were found due to variation in skin tone, height, or weight. More on this: Forehead thermometers have also received poor reviews from a study published on. The forehead thing got popular because it's easy to do during covid, but it isn't accurate. In many other countries, thermometers will display the temperature in C. They may be easier to use than other thermometers with children and when assessing large groups of people quickly. A forehead (temporal) scanner is usually 0.5F (0.3C) to 1F (0.6C) lower than an oral temperature. The NHS says: "strip-type thermometers [that] are held against the forehead [] are not an accurate way of taking a temperature. An ear (tympanic) temperature is 0.5F (0.3C) to 1F (0.6C) higher than an oral temperature. At home, get a digital thermometer, put it under your tongue, and check it. 2005 - 2023 WebMD LLC. An ear (tympanic) temperature is 0.3C (0.5F) to 0.6C (1F) higher than an oral temperature. As far as giving advice on a question that someone may ask about, you shouldn't respond if you are going to be rude. For example: If your 2-year-old child's oral temperature is. The lower part of my body seemed completely frozen and I was read more. However, other forms of temperature readings, including oral, rectal, and ear readings, may provide greater accuracy and be more suitable for use in hospital settings. But the temperature readings vary depending on which one you use, and you need an accurate body temperature to determine if a fever is present. Use a rectal reading. Be sure you know how to store and maintain it., 2. The PubMed wordmark and PubMed logo are registered trademarks of the U.S. Department of Health and Human Services (HHS). Anyway, I bought a temple thermometer to see if I was running a fever because my internal thermometer seems to be going haywire. Microlife MT 850 - High precision and comfort in only 8 seconds. A study posted on PubMed.Gov explains why: radiant warmers specifically can cause inaccuracy when using a forehead thermometer. Smart Grocery Shopping When You Have Diabetes, Surprising Things You Didn't Know About Dogs and Cats, Smoking Pot Every Day Linked to Heart Risks, Artificial Sweetener Linked to Heart Risks, FDA Authorizes First At-Home Test for COVID and Flu, New Book: Take Control of Your Heart Disease Risk, MINOCA: The Heart Attack You Didnt See Coming, Health News and Information, Delivered to Your Inbox, When to Use a Temporal Artery Thermometer, Step-by-Step Tips for Using a Temporal Artery Thermometer, Pros and Cons of Temporal Artery Thermometers, Health conditions, such as rheumatoid arthritis, that cause inflammation, Drinking water to cool your body off and prevent dehydration, Eating light meals that are easy for your body to digest, Taking ibuprofen, naproxen, acetaminophen, or aspirin to lower your temperature and improve your symptoms, Pain that is more severe than muscle aches, Swelling or inflammation in one particular area of your body, Vaginal discharge or urine that smells strong , Oral a thermometer that goes under your tongue, Anal a thermometer is inserted rectally and usually considered the most accurate, Armpit also called an axillary thermometer, Ear also called a tympanic thermometer. We avoid using tertiary references. Keep the thermometer upright. HFR is an extremely motivated movement of people who want to create a healthier and fitter world www.healthfitnessrevolution.org, 3 Reasons Why Temporal Forehead Thermometers Are Inaccurate, Most pediatric practices do not recommend the use of forehead thermometers on children due to the external variables that can affect their measurements. It should not be covered by hair, sweat, cream or any other cosmetic. Never disregard the medical advice of your physician or health professional, or delay in seeking such advice, because of something you read on this Site. Rectal temperatures are generally thought to be the most accurate for checking a young child's temperature. An armpit (axillary) temperature is usually 0.5F (0.3C) to 1F (0.6C) lower than an oral temperature. The TAT-5000 easily handles the demands of a high-performance hospital environment as a durable device designed for frequent use and easy cleaning. A person with a temperature of 99.6F to 100.3F has a low-grade fever. Since theres no wait for results and the devices do not cause discomfort, TATs are excellent for use on children. This is because of two main reasons: Temporal artery temperature changes faster than a temperature taken rectally . :? thermometers An ear (tympanic) temperature is 0.5 F (0.3 C) to 1 F (0.6 C) higher than an oral temperature. Discover some of the causes of dizziness and how to treat it. , 5. Why is the human body temperature as it is? No one else is sick in my home, and everything is normal in my body. 1. I have one of those thermometers you slide across your child's forehead from the center to the temple. https://www.mamapedia.com/article/are-ear-thermometers-accurate, https://www.mamapedia.com/article/anyone-to-recommend-a-good-thermometer, https://www.mamapedia.com/article/baby-thermometers-and-checking-for-fever, https://www.mamapedia.com/article/best-thermometer-for-newborn, https://www.mamapedia.com/article/which-thermometer-works-for-your-kids, https://www.mamapedia.com/article/looking-for-a-reliable-infant-thermometer, https://www.mamapedia.com/article/taking-a-1-year-old-tick-s-temperature. why is temple temperature higher than forehead. Easier said than done. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated. Methods: They use infrared sensors to measure temperature. What could be the reason for differential body temperature? With an easy-to-clean reusable tip, this model is perfect for the home and would make a great addition to your medicine cabinet. To take forehead temperature, use a forehead . Conclusions: Radiant warmers are used to help infants maintain normal body temperature, and if a forehead thermometer gets affected by the radiant warmer, it becomes completely useless when measuring a child's temperature. Federal government websites often end in .gov or .mil. Temperature readings can differ depending on the method, so be sure to use the same one for consistency. 10 10.3 Reasons Why Temporal Forehead Thermometers Are Inaccurate 1.What Every Family Needs to Know About Thermometers and Fevers Author: www.iowaclinic.com Post date: 23 yesterday Rating: 1 (1683 reviews) Highest rating: 3 Low rated: 3 Summary: 2.Comparison of temporal artery, mid-forehead skin and axillary Author: pubmed.ncbi.nlm.nih.gov This type of thermometer is non-invasive and may even be applied while a patient is sleeping. TODDLER HATES TOOTH BRUSHING, TRIED EVERYTHING. but we really can drive ourselves crazy this way! HTH! However, it can be different for children whose immune systems are not as strong. it's just one of those things that is. Cold or the flu are caused by viruses and with cold, fever lasts for a few days. 2011 Feb;11(1):62-70. doi: 10.1097/ANC.0b013e3182087d2b. In patients with temporal temperature readings of less than 37.5C, 1.7% ( n =26) were later found to be febrile by tympanic temperature readings, of which the mean (range) tympanic temperatures were 37.7C (37.5C to 38.7C). sharing sensitive information, make sure youre on a federal Then they should lay the infant or child on their back, with their legs in the air. I am wondering if anyone else has this problem when my migraines get bad and there is pressure pain I usually have to sneeze and then my Hi,
Turn the thermometer on. Warm Clothes. i'd use an ear thermometer or check under the armpits as welldoubt he'd sit to do it in the mouth (or better yet, in the bum! Cardiovascular health: Insomnia linked to greater risk of heart attack. Method Comparison (Agreement) Studies: Myths and Rationale. Exergen forehead thermometers need to scan the entire temporal artery from center forehead to ear, with the user holding the scan button down the entire time. All rights reserved. irritable and crying. To take a temporal temperature , push down on the button to turn it on. Temperature of 37.8, should i be worried? If you have an infant the best place is up the booty. S. I have one of those as well, and I've found that 1- I'm right handed, so when I try to slide to the left, the probe isn't flush against the temple so it reads the temp wrong, and 2- when my kiddos aren't feeling well, they're usually snuggled up to something, so if I have to make them sit up to take their temp, the side they were laying on will read the temp slightly higher somethings. A rectal or ear temperature reading will be a little higher than an oral reading. A lens inside the thermometer focuses infrared radiation that the person emits onto a thermopile, which is a small electronic device that converts the infrared radiation into heat and then again into electricity. A fever is considered to be a rectal, ear or temporal artery temperature of 100.4F (38C) or higher. Your child is age 3 to 6 months and has a temperature up to 102 F (38.9 C) and seems unusually irritable, lethargic or uncomfortable, or has a temperature higher than 102 F (38.9 C). It also looks at how forehead thermometers work, how to use them, and the best way to take a persons temperature. The mean mid-forehead, temporal artery and axillary temperatures were 36.72 +/- 0.08, 36.81 +/- 0.09 and 36.71 +/- 0.07 degrees C, respectively. For all subjects, the median axillary temperature was 37 . Be sure to read and follow the instructions to obtain an accurate temperature. Im no help, but i just bought a forehead and ear thermometer all in one. Thanks for any insight you can provide! In Exergen models, two tasks are being performed by the thermometer as it scans. Move the thermometer. Forehead thermometers provide a quick and sterile way to assess an individuals temperature. 2017 Aug;34(10):1026-1031. doi: 10.1055/s-0037-1601440. lol!! Your body temperature is naturally higher in the afternoon or evening. You may find that a temporal artery thermometer costs more than other thermometer options because of its infrared technology. Remote temporal artery thermometers are appropriate for children of any age. there was an explaination for this in the directions that came with it but i can't find it anywhere! When extremely hot, a diaper and a loose cotton top/shirt may be advisable. Results: 1995-2023 Healthwise, Incorporated. The FDA writes that a draft, direct sunlight, or a radiant heat source could affect the temperature reading and make it inaccurate. They have good levels of accuracy, and a person can use a forehead thermometer at home. Tympanic readings are 0.5F (0.3C) to 1F (0.6C) higher than oral temperature readings. This type of thermometer is non-invasive and may even be applied while a patient is sleeping. no idea! HFR researched 3 reasons why these devices are inaccurate. They include: You should also be ready to make one other adjustment. The average body temperature is 98.6 degrees Fahrenheit but varies from 97.7 to 99.5 degrees. In a high-heat environment, the body's temperature-regulating systems can break down. A rectal temperature is the most accurate, although temperatures measured by mouth and ear are accurate if done properly. Is a low temperature something to worry about? Slide the thermometer in a reasonably straight line across the forehead, midway between the eyebrows and the upper hairline. if it reaches 108 degrees. Radiant warmers are used to help infants maintain normal body temperature, and if a forehead thermometer gets affected by the radiant warmer, it becomes completely useless when measuring a childs temperature. To measure temperature orally, a person should insert the probe end of the thermometer underneath the tongue and close the mouth. Temporal Thermometers. : r/AskParents - Reddit; 5 5.Fever only on top of her head? Z Geburtshilfe Neonatol. Most common applications of infrared thermometers. It is common for an armpit (axillary) temperature to register 0.5F (0.3C) to 1F (0.6C) lower than an oral temperature, but most professionals suggest passing on this method due to the difficult task of placing the thermometer in the proper position. 2022 CME Corp - Dedicated to Providing Quality Equipment, Logistics and Services to Healthcare, Everything You Need to Know about Temporal Thermometers, Scan the temperature as normal, keeping the button depressed. Temporal thermometers contain an infrared scanner measuring the heat on the surface of the skin, which results from blood moving through the temporal artery in the forehead. Understandably, forehead thermometers provide the easiest and fastest methods, but when measuring young infants, risking inaccurate temperatures can cause dangerous effects. And because forehead temperature is lower than the temperature underneath our tongue, it has to be converted by the device into an "oral temperature equivalent." Eating and exercising may also have an impact on your temperature. 1998 Sep;202(5):207-11. Disclaimer. But you smell fever? A major reason ear thermometers are considered inaccurate by medical professionals is because the positioning of the probe in the ear canal is inconsistent, thus creating inconsistent readings and frequently missing fevers. lol! why is temple temperature higher than forehead. One reason is that it is considered a sign of intelligence. Temporal artery thermometers are especially quick to show results. The pros: A remote temporal artery thermometer can record a person's temperature quickly and are easily tolerated. Forehead temperatures are the most . 7,852 satisfied customers. The average body temperature for children is about 37C. In this article, we look at normal ranges in adults, babies, and during pregnancy. Depending on the temporal thermometer, you can either point it directly at one spot on the forehead or roll it from the middle of the forehead to the temple. and transmitted securely. The objective of the present study was to evaluate the performance of a new non-invasive infrared thermometer applied to the mid-forehead and temporal artery in comparison with axillary temperature recordings by mercury-in-glass thermometer, and to determine the discomfort caused by these procedures in preterm infants on incubator care. Well when I take my husband and children's temps it doesn't change much from side to side maybe only a couple tenths of a degree. Our goal as a comprehensive healthcare equipment and turn-key logistics company is to provide personalized support and service including: a knowledgeable and accessible sales support team, a wide array of products and adaptable logistics, delivery and installation services. Use the same type of thermometer, and if you can, the same unit- every time. Inconsistent and inaccurate readings like these can be life-threatening to infants. Matern Child Nurs J. During that scan, the system measures the ambient temperature of the area where the temperature is being taken. In a colder climate, dress the child in a bodysuit without a . (for example, in cold windy days, using forehead temperature gun outside may affect the measurement accuracy) Besides, the temperature of skin is not stable. At times, you can expect larger differences from temperatures taken at other body sites. We have the exact same problem! The mean temporal artery temperature was statistically higher than the means of the mid-forehead and axillary temperatures. I recently found out that I'm a candidate for surgery based on diminished to-and-fro CSF flow and 2 micro syr Hello I recently got diagnosed with chiara I dont understand a lot about it Im 18 I had symptoms when I was young such as when I used t loli know. Bethesda, MD 20894, Web Policies 1992 Fall-Winter;20(3-4):124-40. said that a forehead thermometers readings can become inaccurate if the childs forehead is sweating or if the child is moving. One sided fever. Left side of the forehead is the same as the middle. Association between Fever and Primary Tooth Eruption: A Systematic Review and Meta-analysis. For this reason, a high percentage of parents use it but research shows that forehead thermometers can be an inaccurate measurement of the core body temperature. It is not intended to be and should not be interpreted as medical advice or a diagnosis of any health or fitness problem, condition or disease; or a recommendation for a specific test, doctor, care provider, procedure, treatment plan, product, or course of action. Even though there are noted discrepancies in measurement based on method, the key to your accuracy is picking a thermometer and staying with it. Release the button and read the temperature, 4 Key Advantages of Product Equipment Standardization, Government Healthcare Equipment Procurement Solutions, Getting the Most from Your Amerinet Contract, CME Expands its Sales and Management Team with Director of National Contracts, AVOID OBSTACLES AND ACHIEVE ADA COMPLIANCE. Touching a person's forehead with the back of the hand is a common method of telling whether or not they have a fever. I emailed the company - veratemp, and they explained that this thermom. For pain assessment, the premature infant pain profile (PIPP) was used. In adult patients, the temperature of an axillary measurement is lower than a rectal measurement - up to 1.9 C! has long been considered new research suggests. Aim: Thanks & I hope your babe is ok now! What is normal body temperature for adults, babies, during pregnancy, and all else you need to know, Debra Sullivan, Ph.D., MSN, R.N., CNE, COI, How to recognize a fever in every age group and when to seek medical help, being aware that environmental factors can alter the reading (including drafts, direct sunlight, and temperatures below 60F or higher than 104F), placing the thermometer in the testing environment for 1030 minutes prior to testing so it can adjust, ensuring the testing area of the forehead is clean, dry, and easily accessible. You might want to take your child's temperature if your child is: unwell and feels warmer than usual. I do not feel sick, but I can smell this fever smell whenever I breathe. vomiting. If you think the reading is inaccurate, try again.. 1992 Sep-Oct;204(5):355-8. doi: 10.1055/s-2007-1025371. We offer this Site AS IS and without any warranties. The NHS says: "strip-type thermometers [that] are held against the forehead [.] Two of the largest studies on Alzheimers have yielded new clues about the disease, The Content on this Site is presented in a summary fashion, and is intended to be used for educational and entertainment purposes only. William H. Blahd Jr. MD, FACEP - Emergency Medicine, H. Michael O'Connor MD - Emergency Medicine, David Messenger MD - Emergency Medicine, Critical Care Medicine, Fever Temperatures: Accuracy and Comparison, An armpit (axillary) temperature is usually. lolthe changes in temp aren't that much and personally i wouldn't worry much about it. Studies using children have investigated the accuracy of different types of thermometers. Posted by January 8, 2022 January 8, 2022 As long as the difference you're seeing between sides is less than `1 degree (mine is usually . EHM:Physics, physiology and serendipity of temporal artery thermometry., Harvard Medical School: Treating fever in adults. , Journal of General Internal Medicine: Performance of Temporal Artery Temperature Measurement in Ruling Out Fever: Implications for COVID-19 Screening., Kaiser Permanente: Fever Temperatures: Accuracy and Comparison., Mayo Clinic: Thermometers: Understand the options., Seattle Childrens: Fever - How to Take the Temperature.. The rectal temperature can be as high as 100.4 (37 C) and the ear temperature can be as high as 100.4 (37 C). A fever is your bodys way of fighting back, and it is actually a sign of healing. The main advantage of using a temporal artery thermometer is how quickly you can get a reading from it. WebMD does not provide medical advice, diagnosis or treatment. This site needs JavaScript to work properly. What is a temporal thermometer? Cons. Can poor sleep impact your weight loss goals? This allows you to know a normal temperature range and any flares or fevers through a controlled apparatus. It is not intended to be and should not be interpreted as medical advice or a diagnosis of any health or fitness problem, condition or disease; or a recommendation for a specific test, doctor, care provider, procedure, treatment plan, product, or course of action. 8 jna, 2022; similarities between indigenous media and library; oracle sso configuration steps Different conditions can cause a fever, and according to the American Academy of Pediatrics, if your childs temperature is more than, you should call your physician or take them to the hospital to avoid further damage. The infrared thermometers, however, can be used on the wrist or elbow to measure the body temperature. It uses infrared technology to detect the temperature of the temporal artery on your baby's forehead. The present comparative prospective study was composed of 34 preterm infants <1500 g of birthweight nursed in an incubator. The environment in which a person uses a forehead thermometer can also affect its accuracy, according to the Food and Drug Administration (FDA). The method is unaffected by activities of daily living, and while it will sometimes reflect different temperatures from other methods, it is still accurate in its measurement. glendive, mt high school football; ottawa golf courses open 2021; chicago alderman salary; brianne jenner brother mike schmidt daughter. Fluctuations are due to changes in hormonal activity over the course of the day, your environment, and physical activity. 2017 Jan;11(1):JI01-JI03. Any medical information published on this website is not intended as a substitute for informed medical advice and you should not take any action before consulting with a healthcare professional. why is temple temperature higher than forehead . What You Can Do. Forehead thermometers have also received poor reviews from a study published on PubMed.Gov. Please be sure to wait five minutes to let the infrared sensor recalibrate from the coldness of the alcohol cleaning before using your unit. The normal axillary temperature range is approximately between 34.7 C and 37.3 C. My ENT was the one Hi all! I can smell fever such as when a child is sick a parent can smell the sickness in the child. For most you simply swipe the thermometer across your baby's forehead or gently press the probe against the babies temple and voila! To do this, a person should place petroleum jelly on the bulb of a rectal thermometer. A temperature taken in the armpit will be a little lower than an oral . Temperature Monitoring Devices in Neonates. Often found in intensive care units and emergency departments, the durability of this model has been proven. Exergen also backs the product with a Lifetime Warranty. Touching the forehead. 8600 Rockville Pike Master's Degree. 1997-2023 BabyCenter, LLC, a Ziff Davis company. It is completely worthless, IMO. Some medical experts believe that it is not safe to point the thermometers at the forehead, as its frequent exposure may lead to some health issues. Today's digital thermometers make taking a baby's temperature simple with quick results. Understandably, forehead thermometers provide the easiest and fastest methods, but when measuring young infants, risking inaccurate temperatures can cause dangerous effects. : r/Parenting - Reddit; 6 6.ELI5 why, when using a contact-free infrared thermometer, taking 7 7.My forehead temperature reads significantly hotter than my oral The top critical review on Amazon for the popular Braun Forehead Thermometer claims that the reviewer took 5 readings within a 30-minute timeframe and found that the temperatures ranged from 99.1 to 102.1, while the rectal thermometer measured their babys actual temperature at 102.4 degrees. I have always used an ear thermometer and there is sometimes a difference of a couple tenths of a degree in the different ears but that's it. This model keeps the ease and speed of use found in the TAT-2000C, but allows an option to use disposable probe covers and is accompanied by an increased 3-year warranty from the TAT-2000Cs 1-year policy. A forehead (temporal) scanner is usually 0.5 F (0.3 C) to 1 F (0.6 C) lower than an oral temperature. glad you can see the humor in itthat's what keeps me going a lot of days! You should not experience large discrepancies in readings; however multiple scans occurring in succession may cool the surface area of the forehead and result in subtle differences. explains why: radiant warmers specifically can cause inaccuracy when using a forehead thermometer. If the weather is hot or humid, make sure the baby is dressed in a natural, breathable fabric. Some researchers have found the risk of infrared rays on sensitive body parts over some time. Armpit (axillary) temperatures are the least accurate, but are better than nothing. MeSH We have the worst luck with thermometers. Therefore, it is important to stick with tympanic thermometers due to their reliable accuracy. Warm clothes trap the heat and make his body warmer. This preventive maintenance should be done routinely, every few weeks. The belief was that you would need to adjust your reading to coincide with the accuracy of other methods. This raises his overall body temperature, leading to the 'hot head' without the symptom of fever. Hope your little one feels better soon! I think I may have seen this posted before but I am unable to find it now. First, it searches for the naturally emitted infrared heat produced from the arterial blood supply, locking in the highest temperature it senses. Before i have the thermometer you use in the ear and it does the same thing. the instructions say to point at theforehead but why are her temples hotter?I checked on myself and my husband and our temples and forehead temperature is the same idkwe just use a regular old fashioned thermometer in her armpit. Children can also lie face-down. Your oral temperature is considered normal around 98.6 degrees Fahrenheit. refusing to drink. there's plenty of that out there! Some models will have lights to guide the person on where to aim the sensor. A Nemezio M, Mh De Oliveira K, C Romualdo P, M Queiroz A, Wg Paula-E-Silva F, Ab Silva R, C Kchler E. Int J Clin Pediatr Dent. It has since become a common consensus that there is no need to adjust your reading, thanks to various studies occurring since temporal reading inception. The https:// ensures that you are connecting to the Epub 2017 Feb 27. [Measuring skin temperature in premature infants. ways to boost your brainpower. eCollection 2021. (2020). When you have a fever, its a sign that your body is fighting off an infection, and thats a good thing. The next step is checking your temperature. Finger was dirty. [Axillary versus rectal temperature measurement in premature and newborn infants]. oki have a fever. The National Institute of Health research. Knowing the language and reading ancient scrolls necessitates a higher level of intelligence than most people think. Radiant warmers are used to help infants maintain normal body temperature, and if a forehead thermometer gets affected by the radiant warmer, it becomes completely useless when measuring a childs temperature. The results from this study showed that tympanic and forehead thermometers recorded temperatures lower than the rectal thermometer, but when comparing the tympanic with the forehead thermometer, the forehead thermometer had a wider range of total error. 2017 Jul-Sep;10(3):293-298. doi: 10.5005/jp-journals-10005-1453. Here are 12 simple and fun! confused after stopping pill - pregnancy symptoms?? However, it can be different for children whose immune systems are not as strong. Fever in children younger than 3 months can be signs of an infection and, if ignored or untreated, it can lead to. They should then leave the thermometer in place for 3 minutes or until it beeps. The average body temperature for children is about 37C. MedHelp is not a medical or healthcare provider and your use of this Site does not create a doctor / patient relationship. For example, using an oral thermometer for one reading and later checking the temperature with a temporal unit is prone to more inaccuracies and differences than using one method of measurement consistently. zinc and magnesium sulfate balanced equation; intermission number program; . HHS Vulnerability Disclosure, Help These two variables can be rather difficult to control when it comes to children. We have a forehead thermometer and a new war thermometer that never read the same. A rectal temperature reading confirmed cases of fever, and the authors recommended rectal temperature readings for exact measurements of temperature. If I measure my child's temperature on the middle of the forehead, then the temperature is around 37.3 C, but if I measure it on the right side of the forehead then the temperature is 38.5, or more than a degree higher. Didn't find the answer you were looking for? Medical research hasn't determined an exact correlation between oral, rectal, ear, armpit, and forehead temperature measurements. Measure the temperature at least three times and make an average. https://www.mdpi.com/1424-8220/20/10/2885, https://www.poison.org/articles/thermometer, https://bmcpediatr.biomedcentral.com/articles/10.1186/s12887-018-0994-1, https://www.omega.com/en-us/resources/infrared-thermometer-applications, https://www.fda.gov/medical-devices/general-hospital-devices-and-supplies/non-contact-infrared-thermometers, https://onlinelibrary.wiley.com/doi/10.1111/apa.12464.