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https://www.readbyqxmd.com/read/28208140/first-diagnosis-of-atrial-fibrillation-at-the-time-of-stroke
#1
Leila H Borowsky, Susan Regan, Yuchiao Chang, Alison Ayres, Steven M Greenberg, Daniel E Singer
BACKGROUND: Atrial fibrillation (AF) is a major cause of ischemic stroke. Individuals with undiagnosed AF lack the stroke protection afforded by oral anticoagulants. We obtained a contemporary estimate of the percentage of AF patients newly diagnosed at the time of stroke. METHODS: We identified patients admitted to the Massachusetts General Hospital (MGH) from January 1, 2010 to December 31, 2013 with acute ischemic stroke and either previously or newly diagnosed AF using hospital stroke registry data and stroke and AF ICD-9 code searches of hospital databases...
February 17, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28193103/is-telemetry-monitoring-useful-in-patients-admitted-with-suspected-acute-coronary-syndrome
#2
Jack Perkins, Naveen K Voore, Jaideep Patel, Sathish Sanna, Edana Mann, Sammy Zakaria, Aysegul Gozu
Patients with a chief complaint of chest pain are frequently monitored by telemetry for evaluation of acute coronary syndrome (ACS). However, there is insufficient evidence to support this practice in younger patients without coronary artery disease (CAD). The objective is to assess outcomes of patients younger than 50 years of age and monitored by telemetry. Consecutive medical records of patients admitted for chest pain between January 1, 2009, and June 30, 2010, were reviewed. Patients were excluded who had a CAD history, an abnormal initial troponin, or an abnormal initial electrocardiogram...
February 1, 2017: American Journal of Medical Quality: the Official Journal of the American College of Medical Quality
https://www.readbyqxmd.com/read/28190561/correlation-between-the-high-frequency-content-of-the-qrs-on-murine-surface-electrocardiogram-and-the-sympathetic-nerves-density-in-left-ventricle-after-myocardial-infarction-experimental-study
#3
Golriz Sedaghat, Ryan T Gardner, Muammar M Kabir, Elyar Ghafoori, Beth A Habecker, Larisa G Tereshchenko
Denervated post-infarct scar is arrhythmogenic. Our aim was to compare QRS frequency content in denervated and innervated left ventricular (LV) scar. In-vivo single lead ECG telemetry device was implanted in 17 heterozygous PTPσ (HET) and 7 lacking PTPσ (KO) transgenic mice. Myocardial infarction (MI) with reperfusion and sham surgery was performed. HET mice developed a denervated scar, whereas KO mice developed innervated scar. The power spectral density was used to assess the QRS frequency content. Denervated as compared to innervated post-MI scar was characterized by the higher relative contribution of 300-500Hz (14±1 vs...
February 3, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28183580/effect-of-total-intravenous-vs-volatile-anesthetics-on-intraoperatively-acquired-electrically-evoked-compound-action-potential-in-children-undergoing-cochlear-implant-surgery-a-randomized-prospective-study
#4
Ala A Alhowary, Khaled El-Radaideh, Anas Al-Rusan, Diab Bani Hani, Wail Khraise, Ahmad Al Omari, Firas Alzoubi
OBJECTIVE: The purpose of the present study was to compare the effects of inhalational anesthesia to those of total intravenous anesthesia on intraoperative electrically evoked compound action potential (e-ECAP) thresholds in children undergoing cochlear implantation. STUDY DESIGN: Randomized prospective study. SETTING: Tertiary referral teaching hospital. PATIENTS: Forty children aged 6 months to 17years with bilateral severe-to-profound sensorineural hearing loss and undergoing cochlear implantation were enrolled in the study...
February 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28178279/snow-leopard-and-himalayan-wolf-food-habits-and-prey-selection-in-the-central-himalayas-nepal
#5
Madhu Chetri, Morten Odden, Per Wegge
Top carnivores play an important role in maintaining energy flow and functioning of the ecosystem, and a clear understanding of their diets and foraging strategies is essential for developing effective conservation strategies. In this paper, we compared diets and prey selection of snow leopards and wolves based on analyses of genotyped scats (snow leopards n = 182, wolves n = 57), collected within 26 sampling grid cells (5×5 km) that were distributed across a vast landscape of ca 5000 km2 in the Central Himalayas, Nepal...
2017: PloS One
https://www.readbyqxmd.com/read/28176483/using-video-game-telemetry-data-to-research-motor-chunking-action-latencies-and-complex-cognitive-motor-skill-learning
#6
Joseph J Thompson, C M McColeman, Ekaterina R Stepanova, Mark R Blair
Many theories of complex cognitive-motor skill learning are built on the notion that basic cognitive processes group actions into easy-to-perform sequences. The present work examines predictions derived from laboratory-based studies of motor chunking and motor preparation using data collected from the real-time strategy video game StarCraft 2. We examined 996,163 action sequences in the telemetry data of 3,317 players across seven levels of skill. As predicted, the latency to the first action (thought to be the beginning of a chunked sequence) is delayed relative to the other actions in the group...
February 7, 2017: Topics in Cognitive Science
https://www.readbyqxmd.com/read/28169448/bold-perch-live-life-in-the-fast-lane
#7
Bart Adriaenssens
A schematic summary showing the links between behaviour and life-history observed by Nakayama, Rapp & Arlinghaus in wild Eurasion perch (Perca fluviatilis). [Colour figure can be viewed at wileyonlinelibrary.com]. In Focus: Nakayama, S., Rapp, T. & Arlinghaus, R. (2017) Fast-slow life history is correlated with individual differences in movements and prey selection in an aquatic predator in the wild. Journal of Animal Ecology, 86, 192-201. The pace-of-life syndrome hypothesis (POLS) suggests that individual behavioural variation co-evolves with life-history variation, causing individuals on a fast life-history trajectory to display more active or bold personalities than individuals following a slow trajectory...
March 2017: Journal of Animal Ecology
https://www.readbyqxmd.com/read/28167230/adaptation-to-a-blood-pressure-telemetry-system-revealed-by-measures-of-activity-agility-and-operant-learning-in-mice
#8
Anfisa Popova, Darya Tsvirkun, Oleg Dolgov, Konstantin Anokhin, Jeffrey Alberts, Evgeniia Lagereva, Marc-Antoine Custaud, Guillemette Gauquelin-Koch, Olga Vinogradova, Alexander Andreev-Andrievskiy
INTRODUCTION: Implantable telemetry enables continuous monitoring of physiological functions in freely moving animals and can greatly complement pharmacological research. Despite its miniaturization, a sensor/transmitter constitutes 5% or more of a mouse's bodyweight. The aim of the present study was to evaluate whether factors related to the presence of a probe/transmitter influence the ambulatory activity, strength, agility, or operant, motivated behaviors of this small rodent. METHODS: Adult male mice (C57BL/6N, 22-25g, 9-10weeks; implanted n=26, intact n=45) were evaluated during week-long tests, conducted three and eight weeks after surgical implantation of the PA-C10 blood pressure probe...
February 3, 2017: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/28165137/preclinical-safety-assessments-of-nano-sized-constructs-on-cardiovascular-system-toxicity-a-case-for-telemetry
#9
REVIEW
Hoay Yan Cheah, Lik Voon Kiew, Hong Boon Lee, Nina Japundžić-Žigon, Marίa J Vicent, See Ziau Hoe, Lip Yong Chung
While nano-sized construct (NSC) use in medicine has grown significantly in recent years, reported unwanted side effects have raised safety concerns. However, the toxicity of NSCs to the cardiovascular system (CVS) and the relative merits of the associated evaluation methods have not been thoroughly studied. This review discusses the toxicological profiles of selected NSCs and provides an overview of the assessment methods, including in silico, in vitro, ex vivo and in vivo models and how they are related to CVS toxicity...
February 6, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28164276/behaviour-of-growth-hormone-transgenic-coho-salmon-oncorhynchus-kisutch-in-marine-mesocosms-assessed-by-acoustic-tag-telemetry
#10
T Hollo, B M Watson, S V Johnston, R H Devlin
Underwater acoustic tag telemetry was used to assess behavioural differences between juvenile wild-type (i.e. non-transgenic, NT) and growth hormone (GH) transgenic (T) coho salmon Oncorhynchus kisutch in a contained simulated ocean environment. T O. kisutch were found across days to maintain higher baseline swimming speeds than NT O. kisutch and differences in response to feeding were detected between T and NT genotypes. This is the first study to assess behaviour of GH transgenic salmonids in a marine environment and has relevance for assessing whether behavioural effects of GH overexpression seen in freshwater environments can be extrapolated to oceanic phases of the life cycle...
February 5, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28160132/the-effects-of-surgically-implanted-dummy-tags-on-the-survival-growth-performance-and-physiology-of-pikeperch-sander-lucioperca
#11
Maciej Rożyński, Andrzej Kapusta, Krystyna Demska-Zakęś, Marek Hopko, Agnieszka Sikora, Zdzisław Zakęś
The aim of this work was to determine the impact of surgically implanted telemetry transmitters (TTs) on the growth, survival, hematological and biochemical indexes, and wound healing in juvenile pikeperch (Sander lucioperca) (body weight 60-90 g). Two incision suturing methods were used-silk sutures (experiment I-group ST) or tissue adhesive (experiment II-group GT). After tagging, the fish were held in a recirculating system for 35 days. No statistically significant differences were noted in the growth or condition indexes analyzed among the fish tagged with TT compared with those from the control groups (untagged)...
February 3, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28152951/patient-perception-of-nighttime-noise-in-the-hospital-setting
#12
Lynette Peterson
: 258 Background: The national standard survey, Hospital Consumer Assessment of Healthcare Providers and Systems (HCAHPS), measures the patient's perspective on hospital care. One area that continually evokes sub-optimal results is the 'quiet at night' measurement. Our investigation explored the patient's perception of nighttime "noise" in the hospital setting. METHODS: Patients in our medical surgical/telemetry floors subjectively evaluated the noise level at night...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28152729/reducing-hospital-aquired-pneumonia-hap-with-massey-screen
#13
Robyn Dunbar, Cheryl Clements, Margaret Bonawitz, Joanne McGovern
: 232 Background: Hospital Acquired Pneumonia (HAP) is a leading cause of prolonged hospitalization in patients. The oncology population is especially susceptible to critical illness related to an immunocompromised state. The purpose of this study was to implement the Massey Bedside Swallowing Screen upon admission to the oncology telemetry unit to detect any deficits that could potentially lead to HAP, in conjunction with strict oral care for identified high risk patients. METHODS: The importance of the Massey Bedside Swallowing Screen upon admission and the knowledge that early detection leads to better patient outcomes was educated to the nursing staff...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28151686/direct-determination-of-metal-complexes-interaction-with-dna-by-atomic-telemetry-and-multiscale-molecular-dynamics
#14
Joanna Czapla-Masztafiak, Juan J Nogueira, Ewelina Lipiec, Wojciech M Kwiatek, Bayden R Wood, Glen B Deacon, Yves Kayser, Daniel L A Fernandes, Mariia V Pavliuk, Jakub Szlachetko, Leticia González, Jacinto Sá
The lack of molecular mechanistic understanding of the interaction between metal complexes and biomolecules hampers their potential medical use. Herein we present a robust procedure combining resonant X-ray emission spectroscopy and multiscale molecular dynamics simulations, which allows for straightforward elucidation of the precise interaction mechanism at the atomic level. The report unveils an unforeseen hydrolysis process and DNA binding of [Pt{N(p-HC6F4)CH2}2py2] (Pt103), which showed potential cytotoxic activity in the past...
February 3, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28133395/linking-loggerhead-locations-using-multiple-methods-to-determine-the-origin-of-sea-turtles-in-feeding-grounds
#15
ALan F Rees, Carlos Carreras, Annette C Broderick, Dimitris Margaritoulis, Thomas B Stringell, Brendan J Godley
Many marine megavertebrate taxa, including sea turtles, disperse widely from their hatching or birthing locations but display natal homing as adults. We used flipper tagging, satellite tracking and genetics to identify the origin of loggerhead turtles living in Amvrakikos Gulf, Greece. This location has been identified as hosting regionally important numbers of large-juvenile to adult sized turtles that display long-term residency and/or association to the area, and also presents a male biased sex ratio for adults...
2017: Marine Biology
https://www.readbyqxmd.com/read/28127832/does-this-patient-need-telemetry-an-analysis-of-telemetry-ordering-practices-at-an-academic-medical-center
#16
Stephanie Chen, Sonali Palchaudhuri, Amber Johnson, Jeff Trost, Ileana Ponor, Sammy Zakaria
INTRODUCTION: The American Heart Association and Choosing Wisely campaign recommend guideline-based usage of telemetry. Inappropriate use leads to increased costs, alarm fatigue, and inefficient nursing care. This study assesses provider ordering practices for telemetry at a US-based academic hospital. METHODS: This retrospective study includes all telemetry orders in the medicine and progressive care units from April 2014 to March 2015. Indications were grouped into categories per American Heart Association guidelines...
January 27, 2017: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/28127222/full-disclosure-unraveling-the-mystery-of-a-wide-complex-tachycardia
#17
Mohammed Zahrani, Kevin Wolfe, Colette Seifer
Wide complex tachycardia is not uncommon in patients with underlying structural heart disease and reduced ejection fraction. It is important to make the correct diagnosis as it carries prognostic and clinical implications. We present a case of a challenging wide complex rhythm detected on remote telemetry monitoring. This case outlines the differential diagnosis of a wide complex tachycardia and the clues to making a diagnosis of artifact. It highlights the importance of correct diagnosis as an incorrect diagnosis may lead to inappropriate treatments and unnecessary investigations...
January 2017: Journal of the Saudi Heart Association
https://www.readbyqxmd.com/read/28125829/physicians-are-often-incorrect-about-the-telemetry-status-of-their-patients
#18
Sajan Patel, Sayumi De Silva, Erin Dowling
No abstract text is available yet for this article.
January 2017: Journal of Hospital Medicine: An Official Publication of the Society of Hospital Medicine
https://www.readbyqxmd.com/read/28120871/estimating-carnivore-community-structures
#19
José Jiménez, Juan Carlos Nuñez-Arjona, Carmen Rueda, Luis Mariano González, Francisco García-Domínguez, Jaime Muñoz-Igualada, José Vicente López-Bao
Obtaining reliable estimates of the structure of carnivore communities is of paramount importance because of their ecological roles, ecosystem services and impact on biodiversity conservation, but they are still scarce. This information is key for carnivore management: to build support for and acceptance of management decisions and policies it is crucial that those decisions are based on robust and high quality information. Here, we combined camera and live-trapping surveys, as well as telemetry data, with spatially-explicit Bayesian models to show the usefulness of an integrated multi-method and multi-model approach to monitor carnivore community structures...
January 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28113332/bio-witel-a-low-power-integrated-wireless-telemetry-system-for-healthcare-applications-in-401-406-mhz-band-of-medradio-spectrum
#20
Abhishek Srivastava, Nithin Sankar, Baibhab Chatterjee, Devarshi Das, Meraj Ahmad, Rakesh Kukkundoor, Vivek Saraf, Ananthpadmanabhan Jayachandran, Dinesh Sharma, Maryam Baghini
This paper presents a low power integrated wireless telemetry system (Bio-WiTel) for healthcare applications in 401- 406 MHz frequency band of Medical Device RadioCommunication (MedRadio) spectrum. In this work, necessary design considerations for telemetry system for short range (upto 3 m) communication of bio-signals are presented. These considerations greatly help in taking important design decisions, which eventually lead to a simple, low power, robust and reliable wireless system implementation. Transmitter (TX) and receiver (RX) of Bio-WiTel system have been fabricated in 180 nm mixed mode CMOS technology...
December 14, 2016: IEEE Journal of Biomedical and Health Informatics
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