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https://www.readbyqxmd.com/read/27908090/identifying-the-dominating-perceptual-differences-in-headphone-reproduction
#1
Christer P Volk, Mathieu Lavandier, Søren Bech, Flemming Christensen
The perceptual differences between the sound reproductions of headphones were investigated in a pair-wise comparison study. Two musical excerpts were reproduced over 21 headphones positioned on a mannequin and recorded. The recordings were then processed and reproduced over one set of headphones to listeners, who were asked to evaluate their perceived degree of dissimilarity. The two musical excerpts were used in separate experiments. The processing of the recordings consisted of compensating for the influences of the playback headphones worn by the listeners as well as for the mannequin's ear canals...
November 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27894249/brief-compression-only-cardiopulmonary-resuscitation-training-video-and-simulation-with-homemade-mannequin-improves-cpr-skills
#2
Gregory K Wanner, Arayel Osborne, Charlotte H Greene
BACKGROUND: Cardiopulmonary resuscitation (CPR) training has traditionally involved classroom-based courses or, more recently, home-based video self-instruction. These methods typically require preparation and purchase fee; which can dissuade many potential bystanders from receiving training. This study aimed to evaluate the effectiveness of teaching compression-only CPR to previously untrained individuals using our 6-min online CPR training video and skills practice on a homemade mannequin, reproduced by viewers with commonly available items (towel, toilet paper roll, t-shirt)...
November 29, 2016: BMC Emergency Medicine
https://www.readbyqxmd.com/read/27882523/simulation-in-undergraduate-psychiatry-exploring-the-depth-of-learner-engagement
#3
REVIEW
Petal S Abdool, Latika Nirula, Sarah Bonato, Tarek K Rajji, Ivan L Silver
OBJECTIVES: Simulation-based methodologies are increasingly used in undergraduate medical education to expand students' exposure to complex clinical scenarios. Engagement of students in these simulation-based methodologies is a key determinant of their success in learning. Thus, the authors conducted a systematic review to (1) identify simulation methods in use within the undergraduate psychiatry curriculum and (2) assess learner engagement using these methods. METHODS: Following a PRISMA methodology, the authors searched MEDLINE, ERIC, and PsychINFO databases from 1977 to 2015...
November 23, 2016: Academic Psychiatry
https://www.readbyqxmd.com/read/27881323/celebrity-smile-esthetics-assessment-smile-angulation
#4
Vasiliki P Koidou, Stephen F Rosenstiel, Robert G Rashid
STATEMENT OF PROBLEM: Whether deviations in the angulation discrepancy between the intercanine and interpupillary line significantly affect attractiveness is unknown. PURPOSE: The purpose of this prospective study was to quantify dental and facial esthetics to determine whether smile angulation discrepancies in individuals identified as having attractive smiles are smaller than those in the average population. MATERIAL AND METHODS: An Internet search for "best smile" and "celebrity" identified 108 celebrities (Test group)...
October 27, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27875999/helping-babies-breathe-hbb-training-what-happens-to-knowledge-and-skills-over-time
#5
Akash Bang, Archana Patel, Roopa Bellad, Peter Gisore, Shivaprasad S Goudar, Fabian Esamai, Edward A Liechty, Sreelatha Meleth, Norman Goco, Susan Niermeyer, William Keenan, Beena D Kamath-Rayne, George A Little, Susan B Clarke, Victoria A Flanagan, Sherri Bucher, Manish Jain, Nilofer Mujawar, Vinita Jain, Janet Rukunga, Niranjana Mahantshetti, Sangappa Dhaded, Manisha Bhandankar, Elizabeth M McClure, Waldemar A Carlo, Linda L Wright, Patricia L Hibberd
BACKGROUND: The first minutes after birth are critical to reducing neonatal mortality. Helping Babies Breathe (HBB) is a simulation-based neonatal resuscitation program for low resource settings. We studied the impact of initial HBB training followed by refresher training on the knowledge and skills of the birth attendants in facilities. METHODS: We conducted HBB trainings in 71 facilities in the NICHD Global Network research sites (Nagpur and Belgaum, India and Eldoret, Kenya), with a 6:1 ratio of facility trainees to Master Trainers (MT)...
November 22, 2016: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/27869548/evaluation-of-a-sprinkler-cooling-system-on-inhalable-dust-and-ammonia-concentrations-in-broiler-chicken-production
#6
S Williams Ischer, M B Farnell, G T Tabler, M Moreira, P T O'Shaughnessy, M W Nonnenmann
Workers are exposed to dust in broiler chicken production during daily work activities. Poultry dust may contain inflammatory agents (e.g., endotoxin) and inhalation exposure has been associated with pulmonary symptoms. Current practice to reduce worker exposure to poultry dust is the use of respiratory protection (e.g., elastomeric face-piece respirator with a P100 and ammonia chemical cartridge). Limited research has been conducted to evaluate engineering controls to reduce dust and ammonia concentrations in broiler chicken production; therefore, the purpose of this research was to evaluate the effectiveness of a water sprinkling system to reduce inhalable dust and ammonia concentrations in a broiler chicken house...
January 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/27836253/bi-manual-proximal-external-aortic-compression-after-major-abdominal-pelvic-trauma-and-during-ambulance-transfer-a-simulation-study
#7
M J Douma, D O'Dochartaigh, P G Brindley
BACKGROUND: Applying manual pressure after hemorrhage is intuitive, cost-free, and logistically-simple. When direct abdominal-pelvic compression fails, clinicians can attempt indirect proximal-external-aortic-compression (PEAC), while expediting transfer and definitive rescue. This study quantifies the sustainability of simulated bi-manual PEAC both immediately on scene and during subsequent ambulance transfer. The goal is to understand when bi-manual PEAC might be clinically-useful, and when to prioritize compression-devices or endovascular-occlusion...
November 5, 2016: Injury
https://www.readbyqxmd.com/read/27836148/volumetric-shrinkage-and-film-thickness-of-cementation-materials-for-veneers-an-in%C3%A2-vitro-3d-microcomputed-tomography-analysis
#8
Camila S Sampaio, João Malta Barbosa, Eduardo Cáceres, Lindiane C Rigo, Paulo G Coelho, Estevam A Bonfante, Ronaldo Hirata
STATEMENT OF PROBLEM: Few studies have investigated the volumetric polymerization shrinkage and film thickness of the different cementation techniques used to cement veneers. PURPOSE: The purpose of this in vitro study was to evaluate the volumetric polymerization shrinkage (VS) and film thickness (FT) of various cementation techniques through 3-dimensional (3D) microcomputed tomography (μCT). MATERIAL AND METHODS: Forty-eight artificial plastic maxillary central incisors with standard preparations for veneers were provided by a mannequin manufacturer (P-Oclusal) and used as testing models with the manufacturer's plastic veneers...
November 8, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27828797/intranasal-medication-administration-using-a-squeeze-bottle-atomizer-results-in-overdosing-if-deployed-in-supine-patients
#9
Jordan E Goldhammer, Mark A Dobish, Joshua T McAnulty, Todd J Smaka, Richard H Epstein
BACKGROUND: Vasoconstrictors and local anesthetics are commonly administered using a squeeze bottle atomizer to the nasal mucosa to reduce edema, limit bleeding, and provide analgesia. Despite widespread use, there are few clinical guidelines that address technical details related to safe administration. The purpose of this study was to quantify, via simulation, the amount of liquid delivered to the nasal mucosa when patients are in the supine and upright positions and administration parameters that would reliably provide the desired amount of medication per spray...
November 8, 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27820784/integrating-medical-simulation-into-the-physician-assistant-physiology-curriculum
#10
Lixin Li, John Lopes, Joseph Yi Zhou, Biao Xu
PURPOSE: Medical simulation has recently been used in medical education, and evidence indicates that it is a valuable tool for teaching and evaluation. Very few studies have evaluated the integration of medical simulation in medical physiology education, particularly in PA programs. This study was designed to assess the value of integrating medical simulation into the PA physiology curriculum. METHODS: Seventy-five students from the PA program at Central Michigan University participated in this study...
December 2016: Journal of Physician Assistant Education
https://www.readbyqxmd.com/read/27780385/catheter-and-laryngeal-mask-endotracheal-surfactant-therapy-the-calmest-approach-as-a-novel-mist-technique
#11
Ilaria Vannozzi, Massimiliano Ciantelli, Francesca Moscuzza, Rosa T Scaramuzzo, Davide Panizza, Emilio Sigali, Antonio Boldrini, Armando Cuttano
PURPOSE: Neonatal Respiratory Distress Syndrome (RDS) is a major cause of mortality and morbidity among preterm infants. Although the INSURE technique for surfactant replacement therapy is so far the gold standard method, over the last years new approaches have been studied, i.e. LISA or MIST. Here we propose an originally modified MIST, called CALMEST (Catheter And Laryngeal Mask Endotracheal Surfactant Therapy), using a particular laryngeal mask as a guide for a thin catheter to deliver surfactant directly in the trachea...
October 26, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27777761/a-pilot-study-to-assess-use-of-fluorescent-lotion-in-patient-care-simulations-to-illustrate-pathogen-dissemination-and-train-personnel-in-correct-use-of-personal-protective-equipment
#12
Heba Alhmidi, Sreelatha Koganti, Myreen E Tomas, Jennifer L Cadnum, Annette Jencson, Curtis J Donskey
BACKGROUND: Simulations using fluorescent tracers can be useful in understanding the spread of pathogens and in devising effective infection control strategies. METHODS: During simulated patient care interactions in which providers wore gloves and gowns, we evaluated environmental and personnel dissemination of fluorescent lotion and bacteriophage MS2 from a contaminated mannequin. The frequency of skin and clothing contamination after removal of personal protective equipment (PPE) was compared before versus after an intervention that included education and practice in PPE donning and doffing...
2016: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/27776036/just-in-time-video-laryngoscopy-versus-direct-laryngoscopy-for-neonatal-intubation
#13
Erin Grgurich, Cynthia Arnemann, Kim Amon, Rose Horton, Jestin N Carlson
As neonatal endotracheal intubation (ETI) is a low-frequency, high-consequence event, it is essential that providers have access to resources to aid in ETI. We sought to determine the impact of video laryngoscopy (VL) with just-in-time training on intubation outcomes over direct laryngoscopy (DL) when performed by neonatal nurses. We conducted a prospective, randomized, crossover study with neonatal nurses employed at a level 2 neonatal intensive care unit (NICU). Nurses performed both DL and VL on a neonatal mannequin using a CMAC (Karl Storz Corp, Tuttlingen, Germany) either with the assistance of the screen (VL) or without (DL)...
October 2016: Journal of Perinatal & Neonatal Nursing
https://www.readbyqxmd.com/read/27773493/assessment-of-knowledge-and-skills-in-using-an-automated-external-defibrillator-aed-by-university-students-a-quasi-experimental-research
#14
S Basanta Camiño, R Navarro Patón, M Freire Tellado, R Barcala Furelos, M P Pavón Prieto, M Fernández López, M A Neira Pájaro
AIM: To evaluate layperson (university student) ability to use an automated external defibrillator (AED). DESIGN: A repeated measures quasi-experimental study with non-probabilistic sampling and a control group was carried out. SCOPE: Teacher training degree students at the University of Santiago de Compostela (Spain). PARTICIPANTS: The sample consisted of 129 subjects (69% women and 31% men), between 19-47 years of age (mean 23...
October 20, 2016: Medicina Intensiva
https://www.readbyqxmd.com/read/27758151/a-study-of-occupational-radiation-dosimetry-during-fluoroscopically-guided-simulated-urological-surgery-in-the-lithotomy-position
#15
Ben A Horsburgh, Mike Higgins
OBJECTIVE: To quantify through environmental audit the radiation dose that urologists receive during surgery in the lithotomy position, and to quantify the dose reduction achieved by altering exposure techniques and personal protective equipment use. MATERIALS AND METHODS: Simulated surgery in the lithotomy position using an anthropomorphic phantom as a patient and a SimMan(®) mannequin as the surgeon. Pulsed fluoroscopy, focus-to-skin distance (FSD), collimation, and addition of a lead shield at the table end were individually and collectively introduced after a control study...
December 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27752622/reduction-of-intra-hospital-transport-time-using-the-easy-tube-arrange-device
#16
Ki Hyuk Joo, In Sool Yoo, Jinwoong Lee, Seung Whan Kim, Seung Ryu, Yeon Ho You, Yong Chul Cho, Woon Jun Jeong, Byung Jun Ahn, Sung Uk Cho
OBJECTIVE: Critically ill patients sometimes require transport to another location. Longer intra-hospital transport time increases the risk of hemodynamic instability and associated complications. Therefore, reducing intra-hospital transport time is critical. Our objective was to evaluate whether or not a new device the easy tube arrange device (ETAD) has the potential to reduce intra-hospital transport time of critically ill patients. METHODS: We enrolled volunteers for this prospective randomized controlled study...
June 2016: Clinical and Experimental Emergency Medicine
https://www.readbyqxmd.com/read/27743122/analysis-of-actual-pressure-point-using-the-power-flexible-capacitive-sensor-during-chest-compression
#17
Kouichiro Minami, Yota Kokubo, Ichinosuke Maeda, Shingo Hibino
In chest compression for cardiopulmonary resuscitation (CPR), the lower half of the sternum is pressed according to the American Heart Association (AHA) guidelines 2010. These have been no studies which identify the exact location of the applied by individual chest compressions. We developed a rubber power-flexible capacitive sensor that could measure the actual pressure point of chest compression in real time. Here, we examined the pressure point of chest compression by ambulance crews during CPR using a mannequin...
October 14, 2016: Journal of Anesthesia
https://www.readbyqxmd.com/read/27720982/a-trans-atlantic-high-fidelity-mannequin-based-telesimulation-experience
#18
Anne Beissel, Marc Lilot, Christian Bauer, Keith Beaulieu, Christopher Hanacek, Olivier Desebbe, Maxime Cannesson, Jean-Jacques Lehot, Cameron Ricks
No abstract text is available yet for this article.
October 6, 2016: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/27676840/interests-of-therapeutic-education-for-motor-disabled-adolescents
#19
Julia Hamonet-Torny
OPINION/FEEDBACK: INTRODUCTION: The Motor Education Institute (IEM) of Couzeix set up in June 2015 workshops of therapeutic education, with the aim of helping adolescents to better understand their motor disabilities and to reinforce their motivation for the rehabilitation. METHOD: Between March and April 2015, the educational supports of this workshop entitled "understanding my motor disability" were elaborated in collaboration by the paramedical and the educative staffs, with the participation of volunteer teenagers...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27676440/assessment-of-increased-sampling-pump-flow-rates-in-a-disposable-inhalable-aerosol-sampler
#20
Justin Stewart, Darrah K Sleeth, Rod G Handy, Leon F Pahler, T Renee Anthony, John Volckens
A newly designed, low-cost, disposable inhalable aerosol sampler was developed to assess workers personal exposure to inhalable particles. This sampler was originally designed to operate at 10 L/min to increase sample mass and, therefore, improve analytical detection limits for filter-based methods. Computational fluid dynamics modeling revealed that sampler performance (relative to aerosol inhalability criteria) would not differ substantially at sampler flows of 2 and 10 L/min. With this in mind, the newly designed inhalable aerosol sampler was tested in a wind tunnel, simultaneously, at flows of 2 and 10 L/min flow...
September 27, 2016: Journal of Occupational and Environmental Hygiene
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