Mod. 3 Vital Signs
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How the Skin Thickness and Thermal Contact Resistance Influence
micromachines Article How the Skin Thickness and Thermal Contact Resistance Influence Thermal Tactile Perception Congyan Chen * and Shichen Ding School of Automation, Southeast University, Nanjing 210096, China; [email protected] * Correspondence: [email protected]; Tel.: +86-138-1588-0379 Received: 25 December 2018; Accepted: 24 January 2019; Published: 25 January 2019 Abstract: A few experimental studies on thermal tactile perception have shown the influence of the thermal contact resistance which relates to contact surface roughness and pressure. In this paper, the theoretical influence of the skin thickness and the thermal contact resistance is studied on the thermal model describing the temperature evolution in skin and materials when they come in contact. The thermal theoretical profile for reproducing a thermal cue for given contact thermal resistance is also presented. Compared to existing models of thermal simulation, the method proposed here has the advantage that the parameters of skin structure and thermal contact resistance in target temperature profiles can be adjusted in thermal perception simulation according to different skin features or surface roughness if necessary. The experimental results of surface roughness recognition were also presented. Keywords: thermal tactile perception; surface roughness; skin thickness; thermal perception reproduction 1. Introduction Thermal perception is a rich, emotive, and entirely silent information source. For example, when our hands touch objects, thermal perceptions can provide information about their thermal characteristics, and help us recognize materials [1]. More, it could be used as an alternative mobile feedback channel when required, as it is silent for quiet environments, especially in electromagnetic interference case where monitors or headsets cannot work normally. -
Support and Movement
UNIT Support and II Movement The Integumentary System 6 Bone Tissues and the Skeletal System 7 Articulations 8 9 The Muscular System © Mopic/Shutterstock 9781284057874_CH06_105_127.indd 105 23/12/14 4:07 PM 9781284057874_CH06_105_127.indd 106 23/12/14 4:07 PM CHAPTER © drxy/iStockphoto.com 6 OUTLINE Integumentary System ■ Overview ■ Skin Epidermis OBJECTIVES Dermis ■ Accessory Structures After studying this chapter, readers should be able to Nails 1. Explain the structure of the dermis and epidermis. Hairs 2. Describe the normal and pathological colors skin can have. 3. List the functions of the skin. Glands in the Skin 4. Describe the structure of nails. ■ Functions of the 5. Discuss the various kinds of glands in the skin and the secretions of each. Integumentary System 6. Explain how the sweat glands play a major role in regulating body temperature. ■ Response of the Integument 7. Describe the three most common forms of skin cancer. to Injuries and Wounds 8. Describe the location and function of sebaceous and ceruminous glands. 9. Explain the anatomic parts of a hair. ■ Effects of Aging on the 10. Describe the effects of aging on the integumentary system. Integumentary System ■ Skin Cancer ■ Burns ■ Summary ■ Key Terms ■ Learning Goals ■ Critical Thinking Questions ■ Review Questions ■ Essay Questions 107 9781284057874_CH06_105_127.indd 107 23/12/14 4:07 PM depending on which part of the body it covers. The two main Overview layers of skin are the epidermis and dermis. The epidermis, The integumentary system, which consists of the skin the outer layer, is made up of keratinized stratified squa- (cutaneous membrane) and accessory structures, accounts mous epithelium (FIGURE 6-1). -
Cardiovascular Assessment
Cardiovascular Assessment A Home study Course Offered by Nurses Research Publications P.O. Box 480 Hayward CA 94543-0480 Office: 510-888-9070 Fax: 510-537-3434 No unauthorized duplication photocopying of this course is permitted Editor: Nurses Research 1 HOW TO USE THIS COURSE Thank you for choosing Nurses Research Publication home study for your continuing education. This course may be completed as rapidly as you desire. However there is a one-year maximum time limit. If you have downloaded this course from our website you will need to log back on to pay and complete your test. After you submit your test for grading you will be asked to complete a course evaluation and then your certificate of completion will appear on your screen for you to print and keep for your records. Satisfactory completion of the examination requires a passing score of at least 70%. No part of this course may be copied or circulated under copyright law. Instructions: 1. Read the course objectives. 2. Read and study the course. 3. Log back onto our website to pay and take the test. If you have already paid for the course you will be asked to login using the username and password you selected when you registered for the course. 4. When you are satisfied that the answers are correct click grade test. 5. Complete the evaluation. 6. Print your certificate of completion. If you have a procedural question or “nursing” question regarding the materials, call (510) 888-9070 for assistance. Only instructors or our director may answer a nursing question about the test. -
Thermal Imaging & Body Temperature
Thermal Imaging & Body Temperature Thermal Imaging is the process to create an image using Infrared Radiation. Most things emit some form of Infrared Radiation, including humans and animals. Infrared Radiation is directly affected by temperature, e.g. the higher Thermal the temperature the more Infrared Radiation is Imaging emitted, and the inverse is also true. Explained Using a Microbolometer, a thermal camera is capable of generating a Thermal Image by applying a colour palette to the different intensities of Infrared Radiation. Body Temperature refers to the temperature of the body’s core where your internal organs and bodily systems function at an optimal level. Body Temperature tends to maintain a constant temperature and is not as easily affected by variables from the environment such as Body temperature, relative humidity, wind velocity, Temperature and radiation. Explained Normal Body Temperature tends to be 36.5– 37.5 °C (97.7–99.5 °F). Skin temperature refers to the temperature of the body skin which is the largest organ in the human body. Skin Temperature can vary between 33.5 and 36.9 C (92.3 and 98.4F) Skin Temperature tends to be affected by environmental factors more easily than body temperature as it is the Skin outermost area of the body. Temperature When reading skin temperature it is important to take in Explained environmental variables such as temperature, relative humidity, wind velocity, and radiation. In outdoor environments it is important to consider solar loading, as this also has an impact on temperature readings. Skin Offset (Correction) The software settings used to estimate this difference is called skin offset. -
TIDA-00824 Human Skin Temperature Sensing for Wearable Applications Reference Design
TIDA-00824 Human Skin Temperature Sensing for Wearable Applications Reference Design Abstract This TI Design report will show how to use the LMT70 temperature sensor to measure human skin temperature in a wearable device such as a smart watch or a fitness tracker (not as a diagnostic or therapeutic use). The wearable design covers both electrical and mechanical design to optimize performance of the LMT70 sensor’s ability to accurately measure skin temperature. Test data such as accuracy and thermal response is also discussed in this document. Document History Version Date Author Notes 1.0 September 2015 Michael Wong First Release TIDA-00824 Contents 1. OBJECTIVE ......................................................................................................................................................... 3 2. WEARABLE DESIGN .......................................................................................................................................... 3 2.1. ELECTRICAL DESIGN ........................................................................................................................................ 3 2.1.1. SIGNAL PATH...................................................................................................................................................... 3 2.1.2. MAIN PCB ............................................................................................................................................................ 4 2.1.3. REMOTE PCB..................................................................................................................................................... -
Module 10: Vital Signs
Module 10: Vital Signs Module 10: Vital Signs Minimum Number of Theory Hours: 3 Recommended Clinical Hours: 6 Statement of Purpose: The purpose of this unit is to prepare students to know how, when and why vital signs are taken and how to report and chart these procedures. Students will learn the correct procedure for measuring temperature, pulse, respirations, and blood pressure. They will learn to recognize and report normal and abnormal findings. Terminology: Temperature: Blood Pressure Pulse Respiration Pain (effects on Vital signs) 1. Afebrile 10. Aneroid manometer 22. Apical 33. Abdominal respirations 46. Acute pain 2. Axilla 11. Bell 23. Arrhythmia 34. Apnea 47. Chronic pain 3. Celsius 12. Diaphragm 24. Bounding 35. Bradypnea 4. Fahrenheit 48. Phantom pain 13. Diastolic 25. Brachial 36. Cheyne-Stokes 5. Febrile 49. Pain scales 6. Metabolism 14. Hypertension 26. Bradycardia 37. Cyanosis 7. Mucosa 15. Hypotension 27. Carotid 38. Diaphragm 8. Pyrexia 16. Orthostatic hypotension 28. Pulse deficit 39. Dyspnea 9. Tympanic 17. Pre-hypertension 29. Radial 40. Labored respiration 18. Pulse pressure 30. Rhythm 41. Orthopnea 19. Sphygmomanometer 31. Thready 42. Shallow respiration 20. Stethoscope 32. Tachycardia 43. Stertorous 21. Systolic 44. Tachypnea 45. Temperature, Pulse, Respiration (TPR) Patient, patient/resident, and client are synonymous terms Californiareferring to Community the person Colleges Chancellor’s Office Nurse Assistant Model Curriculum - Revised December 2018 Page 1 of 46 receiving care Module 10: Vital Signs Patient, resident, and client are synonymous terms referring to the person receiving care Performance Standards (Objectives): Upon completion of three (3) hours of class plus homework assignments and six (6) hours of clinical experience, the student will be able to: 1. -
The Skin's Role in Human Thermoregulation and Comfort
Center for the Built Environment UC Berkeley Peer Reviewed Title: The skin's role in human thermoregulation and comfort Book Title: from Thermal and Moisture Transport in Fibrous Materials Author: Arens, Edward A, Center for the Built Environment, University of California, Berkeley Zhang, H., Center for the Built Environment, University of California, Berkeley Publication Date: 2006 Series: Indoor Environmental Quality (IEQ) Permalink: http://escholarship.org/uc/item/3f4599hx Additional Info: ORIGINAL CITATION: Arens, E. and H. Zhang 2006. The Skin's Role in Human Thermoregulation and Comfort. Thermal and Moisture Transport in Fibrous Materials, eds N. Pan and P. Gibson, Woodhead Publishing Ltd, pp 560-602. Copyright Information: All rights reserved unless otherwise indicated. Contact the author or original publisher for any necessary permissions. eScholarship is not the copyright owner for deposited works. Learn more at http://www.escholarship.org/help_copyright.html#reuse eScholarship provides open access, scholarly publishing services to the University of California and delivers a dynamic research platform to scholars worldwide. 16 The skin’s role in human thermoregulation and comfort E. ARENS and H. ZHANG, University of California, Berkeley, USA 16.1 Introduction This chapter is intended to explain those aspects of human thermal physiology, heat and moisture transfer from the skin surface, and human thermal comfort, that could be useful for designing clothing and other types of skin covering. Humans maintain their core temperatures within a small range, between 36 and 38°C. The skin is the major organ that controls heat and moisture flow to and from the surrounding environment. The human environment occurs naturally across very wide range of temperatures (100K) and water vapor pressures (4.7 kPa), and in addition to this, solar radiation may impose heat loads of as much as 0.8kW per square meter of exposed skin surface. -
Wind Chill Temperature? It Is the Temperature It “Feels Like” Outside and Is Based on the Rate of Heat Loss from Exposed Skin Caused by the Effects of Wind and Cold
What is Wind Chill Temperature? It is the temperature it “feels like” outside and is based on the rate of heat loss from exposed skin caused by the effects of wind and cold. As the wind increases, the body is cooled at a faster rate causing the skin temperature to drop. Wind Chill does not impact inanimate objects like car radiators and exposed water pipes, because these objects cannot cool below the actual air temperature. Wind Chill What does this mean to me? The NWS will inform you when Wind Chill conditions reach critical Temperature Index thresholds. A Wind Chill Warning is issued when wind chill temperatures are life threatening. A Wind Chill Advisory is issued when wind chill temperatures are potentially hazardous. What is Frostbite? Frostbite is an injury to the body caused by freezing body tissue. The most susceptible parts of the body are the extremities such as fingers, toes, ear lobes, or the tip of the nose Symptoms include a loss of feeling in the extremity and a white or pale appearance. Medical attention is needed immediately for frostbite. The area should be SLOWLY re-warmed. What is Hypothermia? Hypothermia is abnormally low body temperature (below 95 degrees Fahrenheit). Warning signs include uncontrollable shivering, memory loss, disorientation, incoherence, slurred speech, drowsiness, and apparent exhaustion. Medical attention is needed immediately. If it is not available, begin warming the body SLOWLY. Tips on how to dress during cold weather. Wear layers of loose-fitting, lightweight, warm clothing. Trapped air between the layers will insulate you. Outer garments should be tightly woven, water repellent, and hooded. -
History & Physical Format
History & Physical Format SUBJECTIVE (History) Identification name, address, tel.#, DOB, informant, referring provider CC (chief complaint) list of symptoms & duration. reason for seeking care HPI (history of present illness) - PQRST Provocative/palliative - precipitating/relieving Quality/quantity - character Region - location/radiation Severity - constant/intermittent Timing - onset/frequency/duration PMH (past medical /surgical history) general health, weight loss, hepatitis, rheumatic fever, mono, flu, arthritis, Ca, gout, asthma/COPD, pneumonia, thyroid dx, blood dyscrasias, ASCVD, HTN, UTIs, DM, seizures, operations, injuries, PUD/GERD, hospitalizations, psych hx Allergies Meds (Rx & OTC) SH (social history) birthplace, residence, education, occupation, marital status, ETOH, smoking, drugs, etc., sexual activity - MEN, WOMEN or BOTH CAGE Review Ever Feel Need to CUT DOWN Ever Felt ANNOYED by criticism of drinking Ever Had GUILTY Feelings Ever Taken Morning EYE OPENER FH (family history) age & cause of death of relatives' family diseases (CAD, CA, DM, psych) SUBJECTIVE (Review of Systems) skin, hair, nails - lesions, rashes, pruritis, changes in moles; change in distribution; lymph nodes - enlargement, pain bones , joints muscles - fractures, pain, stiffness, weakness, atrophy blood - anemia, bruising head - H/A, trauma, vertigo, syncope, seizures, memory eyes- visual loss, diplopia, trauma, inflammation glasses ears - deafness, tinnitis, discharge, pain nose - discharge, obstruction, epistaxis mouth - sores, gingival bleeding, teeth, -
Impact of Hair Coat Differences on Rectal Temperature, Skin Temperature, and Respiration Rate of Holstein X Senepol Crosses in Florida
Senepol Symposium, St. Croix, USVI November 8-10, 2002 Impact of Hair Coat Differences on Rectal Temperature, Skin Temperature, and Respiration Rate of Holstein X Senepol Crosses in Florida T.A. Olson*,a, M. Avila-Chytil*, C.C. Chase, Jr.†, P.J. Hansen*, and S.W. Coleman†. *University of Florida, Gainesville, FL 32611; Agricultural Research Service, USDA, †Subtropical Agricultural Research Service, Brooksville, FL 34601 Summary The effect of hair type on rectal temperature, skin temperature, respiration rate, and feed intake under confinement in ¾ Holstein: ¼ Senepol crossbred cattle was studied during the summer of 2000 at two locations in Florida. The hair type was classified subjectively as 1) “slick”, very short, sleek and shiny and, 2) normal, similar to that of purebred Holstein cattle of the same age. The visual hair differences were quantified by collecting clipped hair samples. The hair samples were weighed, and slick animals averaged 11.47 mg/cm2 as opposed to 17.82 mg/cm2 for normal haired animals. Clipped hair weight was also lower (P < 0.05) in black as compared to white areas of the same spotted animals. The rectal temperatures of animals classified as slick was 0.34° C (P < 0.05) lower than that from normal-haired animals. The skin temperatures of slick animals was 0.49° C (P < 0.05) lower than that of normal haired animals while the respiration rate of slick animals was 12.4 (P < 0.05) breaths per minute less than that of animals with normal hair. The impact of hair type on feed intake was not significant, perhaps because the animals where not fed under a high level of heat stress. -
PAOD Testing in Diabetic Patients
This Just In Susan Simmons Holcomb, PhD, ARNP, BC This Just In Editor PAOD Testing in Diabetic Patients Diabetes mellitus is a major risk factor for lower extremity amputa- identify the disease and initiate factor for the development of car- tion and yet, to date, there are no treatment quickly. diovascular disease, including pe- guidelines for the prevention, identi- ripheral arterial occlusive disease fication, and treatment of PAOD in ■ Identifying PAOD (PAOD) or peripheral arterial dis- diabetic patients. Twenty percent of In the past, identification of PAOD ease. Approximately 20% of the 12 diabetic patients older than 40 years was done by clinically analyzing re- million Americans identified in the of age have PAOD and 29% of dia- ported symptoms of claudication or Framingham Heart Study as having betic patients over 50 years of age absence of palpable peripheral symptomatic PAOD were diabetics.1 have PAOD. Twenty-seven percent of pulses. However, these methods are However, this estimate may be low. diabetic patients with PAOD will insensitive and may not identify pa- tients early enough. A more sensitive test is the ankle-brachial index Nurse practitioners must be able to identify PAOD and (ABI). The ABI is obtained by mea- initiate treatment quickly. suring systolic blood pressures in the ankles and arms via a Doppler and then calculating a ratio between the Experts believe over one-half of dia- have disease progression within 5 two. When compared to angiograph- betic patients with PAOD are years; 4% of those patients will re- ically determined arterial disease, asymptomatic, approximately one- quire amputation, and 20% will ex- measuring ABI is 95% sensitive and third have claudication, and the re- perience nonfatal cardiovascular almost 100% specific.1 However, maining patients have extremely events such as myocardial infarction sensitivity decreases in the elderly severe symptomatic disease. -
Skin Temperature in Young Women with Low Values of Adipose Tissue
Ann Appl Sport Sci 7(4): e780, 2019. http://www.aassjournal.com; e-ISSN: 2322–4479; p-ISSN: 2476–4981. 10.29252/aassjournal.780 ORIGINAL ARTICLE Skin Temperature in Young Women with Low Values of Adipose Tissue 1Vitaliy Viktorovich Epishev, 1Anna Valerievna Nenasheva*, 2Yulia Borisovna Korableva, 1Alexander Sergeevich Belenkov, 1Alina Azatovna Episheva, 3Seyed Morteza Tayebi 1Theory and Methods of Physical Education and Sport Department, the Institute of Sports, Tourism and Service, South Ural State University (National Research University), Chelyabinsk, Russia. 2Sports Science Research Centre, the Institute of Sports, Tourism and Service, South Ural State University (National Research University), Chelyabinsk, Russia. 3Core Research of Health Physiology and Physical Activity, Department of Exercise Physiology, Faculty of Sport Science, Allameh Tabataba'i University, Tehran, Iran. Submitted 19 June 2019; Accepted in final form 23 August 2019. ABSTRACT Background. Skin temperature is an important indicator of the functional status of the body. Infrared thermal images of the body surface or its separate parts could be the indicator of body composition and, probably, the criterion of the functional activity of muscles. Objectives. This study aims to find a correlation between the average values of skin temperature in different parts of the body and the components of body composition in young women with low values of adipose tissue (FAT % = 20.73±5.50; BMI = 20.23±2.44). Methods. The study involved 69 healthy women aged 18-20 (BMI = 20.23±2.44). Participants were subjected to a 15-minute temperature adaptation in the room with a temperature of 22–24°С and humidity of 45-50%.