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Tytuł:
Acute mountain sickness, two cases and their treatment in the field
Autorzy:
Karinen, Heikki M.
Tikkanen, Heikki O.
Powiązania:
https://bibliotekanauki.pl/articles/2180093.pdf
Data publikacji:
2012-06-01
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
high altitude
acute mountain sickness
altitude illness
Opis:
Objective: The number of lowland dwellers traveling at high altitudes has greatly increased in recent decades. Business travelers flying to La Paz or Lhasa are at risk of altitude illnesses, similarly to miners and soldiers transported to high altitudes. Traveling to high altitude requires adaptation and if this process fails due to too rapid an ascent rate or susceptibility of the climber, acute mountain sickness (AMS) may result. Doctors and nurses in travel clinics, health centers and occupational health care clinics may face patients asking advice on how to plan their trips or manage AMS, or the health care personnel may take part in a travel to high altitude environment. Methods: Two patients, aged 29 and 47 years, who fulfilled the criteria for AMS were studied. The clinical findings and treatment in the field are described including the review of the current recommendations for prevention and treatment of AMS. Results: Both patients developed a severe AMS due to too rapid ascent and their denial of the symptoms. Conclusions: Prevention is the safest and the most efficient method in the care concerning AMS. Realizing the risk of mountain sickness, active inquiry about the symptoms and correctly timed reaction to them, in other words interrupting the ascent or descending, help to reduce and even to prevent the development of serious problems.
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2012, 25, 3; 304-309
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Some remarks on the altitude inequality
Autorzy:
Jarboui, Noômen
Powiązania:
https://bibliotekanauki.pl/articles/965848.pdf
Data publikacji:
1999
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
valuation domain
altitude inequality
restrictive altitude inequality
locally Jaffard domain
Opis:
We introduce and study a new class of ring extensions based on a new formula involving the heights of their primes. We compare them with the classical altitude inequality and altitude formula, and we give another characterization of locally Jaffard domains, and domains satisfying absolutely the altitude inequality (resp., the altitude formula). Then we study the extensions R ⊆ S where R satisfies the corresponding condition with respect to S (Definition 3.1). This leads to a new characterization of integral extensions.
Źródło:
Colloquium Mathematicum; 1999, 80, 1; 39-52
0010-1354
Pojawia się w:
Colloquium Mathematicum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Selected health issues related to high altitude trekking
Autorzy:
Prószyńska-Bordas, Hanna
Baranowska, Katarzyna
Powiązania:
https://bibliotekanauki.pl/articles/2084783.pdf
Data publikacji:
2021-05-27
Wydawca:
Wyższa Szkoła Bankowa w Poznaniu
Tematy:
mountaineering
high altitude trekking
mountains
Opis:
The aim of the paper was to investigate health aspects of high altitude trekking such as preparation for the physical exertion during trekking at high altitude, the impact of mountaineering on the daily life before and after the expedition, the effect of high-mountain conditions on health and well-being. It was found that in the pre-departure period trekkers commonly train to ensure that they are physically fit for the expedition. They train alone or under the supervision of a trainer. Self-prepared workouts may turn out to be insufficient due to the lack of appropriate training plans. The most challenging aspects of high altitude trekking for the body include carrying too heavy equipment, dealing with illegibly marked routes, wearing inappropriate clothing, having an unbalanced diet, not having enough water, which can lead to dehydration and infections. Misconduct by other people poses a risk. The specific type of effort involved in mountaineering requires balanced nutrition in terms of both micro- and macro-elements. To find the right combination, one has to either experiment or seek advice from a dietitian. However, relatively few people consult a nutrition coach. Among sanitary problems, the most serious one is inappropriate human waste disposal, the resulting lack of drinkable water. Some of the observed problems result from insufficient regulations regarding the conduct in the mountains and from trekkers’ lack of awareness regarding good practices in such extreme conditions.
Źródło:
Studia Periegetica; 2021, 33(1); 41-65
1897-9262
2658-1736
Pojawia się w:
Studia Periegetica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Portable hyperbaric chambers for the treatment of altitude disease
Przenośne komory hiperbaryczne w leczeniu chorób wysokościowych
Autorzy:
Küpper, Thomas
Gieseler, Ulf
Milledge, Jim
Morrison, Audry
Schöffl, Volker
Powiązania:
https://bibliotekanauki.pl/articles/12721265.pdf
Data publikacji:
2022
Wydawca:
Akademia Tarnowska
Tematy:
choroba wysokościowa
AMS
HAPE
HACE
obrzęk płuc
obrzęk mózgu
altitude disease
acute mountain sickness
high altitude pulmonary edema
high altitude cerebral edema
Opis:
Portable hyperbaric chambers are a therapeutic option for altitude disease in the mountains. By an increase of the oxygen partial pressure the patient’s symptoms ameliorate significantly. Portable hyperbaric chambers may be used as ‘stand alone therapy’ as well as in combination with other therapeutic options. Here we present the recommendation how to use the device and how to avoid problems. The recommendation has been agreed by all members of the medical commission of the world umbrella organization Union Internationale des Associations d’Alpinisme (UIAA MedCom).
Źródło:
Health Promotion & Physical Activity; 2022, 20, 3; 36-40
2544-9117
Pojawia się w:
Health Promotion & Physical Activity
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Micro- and Macroscale Changes in Density and Diversity of Testate Amoebae of Tropical Montane Rain Forests of Southern Ecuador
Autorzy:
Krashevska, Valentyna
Maraun, Mark
Scheu, Stefan
Powiązania:
https://bibliotekanauki.pl/articles/763597.pdf
Data publikacji:
2010
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Altitude, epiphyte, live cells, moss, protist
Opis:
We investigated changes in diversity and density of testate amoebae in epiphytes of trees in tropical montane rain forests of southern Ecuador. Local – microscale [height on tree trunk of 0 (base of tree trunk), 1 and 2 m; TH I, TH II and TH III, respectively] and regional – macroscale (forests at 1000, 2000 and 3000 m) changes were investigated. At the macroscale diversity and density of testate amoebae peaked at 2000 m. At the microscale diversity reached a maximum at TH I, whereas density reached a maximum at TH III. The percentage of empty shells at the macroscale was at a maximum at 2000 m and at the microscale at TH I, whereas the percentage of live cells was at a maximum at 3000 m and at TH III. The diversity of testate amoebae in epiphytes found in the present study was high (113 species). However, only two to nine species were dominant representing 54–85 percent of total living testate amoebae. The results suggest significant variations in density and diversity of testate amoebae at both the micro- and macroscale. However, for testate amoebae density the macroscale appears most important whereas changes in diversity are more pronounced at the microscale
Źródło:
Acta Protozoologica; 2010, 49, 1
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The direction of the changes of rates of the internal and external training load under the influence of high-altitude hypoxia on mountain bikers
Autorzy:
Gabrys, Tomasz
Szmatlan-Gabrys, Urszula
Stanula, Arkadiusz
Powiązania:
https://bibliotekanauki.pl/articles/1922006.pdf
Data publikacji:
2019-02-20
Wydawca:
PPHU Projack Jacek Wąsik
Tematy:
cycling
altitude training
aerobic capacity
hypoxia
Opis:
The aim of the research carried out was to establish the direction, and scope of the changes in internal, and external load indicator values in cyclists, men, and women, in high-altitude hypoxia conditions. The participants of the study were mountain bike cyclists, members of Russian and Polish Nationals Teams (women n=11, men n=9). They have done the graded incremental exercise test at the altitude of 170 m (Lonato del Garda, Italy) and 2250 m (Livignio-Trepale Italy). In the course of effort VO2, VE, VCO2 was measured by means of K4b2 analyser (Cosmed Italy). Effort intensity was determined at ventilators thresholds VT1 (AT), and VT2. Internal and external load indicators undergo changes during physical effort in cyclists under the influence of high altitude hypoxia. In groups of men and women, the changes in indicator values reach VE: 9% and 12%, HR: 0,5% and 15, O2HR: 7% and 15%, VO2: 14% and 20% respectively, as well as a decrease in 5 and 4% of the generated power, respectively. A decrease in the generated power by 5%, higher ventilation, amounting to 10%, a higher VO2max, amounting to 17% in hypoxic conditions, in comparison with the conditions similar to those at sea level, show that it is necessary to modify training loads.
Źródło:
Physical Activity Review; 2019, 7; 40-48
2300-5076
Pojawia się w:
Physical Activity Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The investigation of relationship of heating and cooling degree hour calculations for Southeastern Anatolia Region with altitude, latitude and longitude
Autorzy:
Yucel, A.
Atilgan, A.
Oz, H.
Saltuk, B.
Powiązania:
https://bibliotekanauki.pl/articles/101504.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
altitude
cooling
degree-hours
heating
latitude
longitude
Opis:
Degree-day values can be calculated using climatic data. Thus, seasonal, monthly, daily and hourly energy requirements for heating and cooling in buildings can be calculated. The effect of outside ambient temperature can be determined by means of the degree-day method in determining the basic temperature values in buildings. The altitude and latitude affect significantly the temperature distribution in the Earth. Thus, the latitude and altitude values are required to determine the degree hour values. This study was taken in 9 provinces located in the Southeastern Anatolia Region (SAR). The annual outdoor dry-bulb thermometer temperatures for a long period of nine provinces in the SAR were obtained to determine heating and cooling degree hour values according to the six different base temperatures. According to the suggested six different base temperature values, the cumulative long-term annual heating degree-hour (HDH) value was 50862 in total for Gaziantep province. The lowest cumulative long-term annual heating degree-hour value took place in Sanliurfa province as 39638. Also, the highest total cooling degree-hour (CDH) value took place in Sanliurfa province as 10886 degree-hour value and the lowest value took place in Sirnak province as 3909. It was determined that there was not an exact linear or monotonous relationship between HDH and CDH values and altitude, latitude and longitude values. However, although it was seen that the relationship of CDH values with the altitude was not a formal linear or monotonous relationship, it was determined that CDH values decreased linearly together with the increasing altitude values when the values were examined.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2016, III/1; 673-683
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
High Altitude Platform : Future of Infrastructure
Autorzy:
Malinowski, A.
Zieliński, R. J.
Powiązania:
https://bibliotekanauki.pl/articles/226948.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
HAP
High Altitude Platform
rural area
infrastructure
Opis:
High Altitude Platform (HAP) concept and idea is presented in the article. Characteristics, advantages and disadvantages of HAPs are described. There is also the comparison available between HAPs and existing telecommunication infrastructure (terrestrial and satellite). Selected examples of the possible limitation and technological restrictions of HAP based systems are presented in the article.
Źródło:
International Journal of Electronics and Telecommunications; 2010, 56, 2; 191-196
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nurkowanie nad poziomem morza
Diving above sea level
Autorzy:
Iwankiewicz, K.
Powiązania:
https://bibliotekanauki.pl/articles/366224.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Medycyny i Techniki Hiperbarycznej
Tematy:
nurkowanie
nurkowanie nad poziomem morza
diving
altitude diving
Opis:
W artykule przedstawiono zarys historii nurkowań i badań prowadzonych nurkowych na dużych wysokościach. Opisano przebieg III wyprawy z cyklu Korona Jezior Ziemi - " Lake of the Sun".
The article presents outlines the history of diving and research diving at high altitudes. III describes the course of the expedition from the cycle of the Earth Crown Lakes - Lake of the Sun.
Źródło:
Polish Hyperbaric Research; 2010, 4(33); 33-41
1734-7009
2084-0535
Pojawia się w:
Polish Hyperbaric Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Travel to altitude with neurological disorders
Autorzy:
Angelini, Corrado
Giardini, Guido
Falla, Marika
Powiązania:
https://bibliotekanauki.pl/articles/2098265.pdf
Data publikacji:
2021-07-21
Wydawca:
Państwowa Wyższa Szkoła Zawodowa w Tarnowie
Tematy:
altitude
mountaineering
migraine
stroke
epilepsy
seizures
Parkinson disease
Opis:
The present review examines several neurological conditions and the problems posed by travelling to high altitude, and in particular whether the underlying disease is likely to worsen. The neurological conditions include migraine and other types of headaches, transient ischemia of the brain, occlusive cerebral artery diseases, intracranial haemorrhage and vascular malformations, intracranial space occupying mass, multiple sclerosis, peripheral neuropathies, neuromuscular disorders, epileptic seizures, dementia and Parkinson’s disease. Attempts will be made to classify the risk posed by each condition and to provide recommendations regarding medical evaluation, advice for or against travelling to altitude and effective prophylactic measures. Some individual cases should only be advised after careful examination and risk evaluation either in an outpatient mountain medicine service or by a physician with knowledge of travelling and high altitude risks. Recent developments in diagnostic methods and treatment of neurological conditions are also mentioned.
Źródło:
Health Promotion & Physical Activity; 2021, 15, 2; 29-39
2544-9117
Pojawia się w:
Health Promotion & Physical Activity
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analiza możliwości pomiaru położenia z użyciem GPS oraz barometrycznego czujnika wysokości
Possibility Analysis of the Location Measurement by Using the GPS Receiver and Barometric Altimeter
Autorzy:
Szywalski, P.
Wajnert, D.
Powiązania:
https://bibliotekanauki.pl/articles/275682.pdf
Data publikacji:
2018
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
GPS
barometryczny czujnik wysokości
quadrocopter
barometric altitude sensor
Opis:
Tematem artykułu jest analiza wyników pomiaru położenia, zrealizowanego za pomocą trzech egzemplarzy odbiorników GPS oraz czujnika ciśnienia, na podstawie której wykonano barometryczny czujnik wysokości. Systemy nawigacji są stosowane głównie w autonomicznych lotach bezzałogowych systemów latających, które wymagają dużej dokładności pomiaru pozycji urządzenia. W artykule zaproponowano sposób doboru odbiornika sygnału GPS na podstawie charakterystyk statycznych i dynamicznych.
The subject of the article is the analysis of the position with using three pieces of GPS receivers and a pressure sensor which was the basis of the barometric height sensor. The navigation application is designed primarily to the use of quadrocopters, that requires the highest accuracy of the device position measurement. The paper proposes a method of selecting the GPS signal receiver based on static and dynamic characteristics.
Źródło:
Pomiary Automatyka Robotyka; 2018, 22, 3; 33-39
1427-9126
Pojawia się w:
Pomiary Automatyka Robotyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Eye Problems on Expeditions – Recommendation of the Medical Commission of the Union Internationale des Associations d’Alpinisme (UIAA)
Autorzy:
Morris, D.S.
Potts, J.
Mella, S.
Depla, D.
Powiązania:
https://bibliotekanauki.pl/articles/2098013.pdf
Data publikacji:
2020-12-04
Wydawca:
Państwowa Wyższa Szkoła Zawodowa w Tarnowie
Tematy:
wyprawa
duża wysokość
wzrok
ślepota śnieżna
cukrzyca
jaskra
retinopatia
expedition
high altitude
vision
snow blindness
diabetes
glaucoma
high altitude retinopathy
Opis:
Visual loss in the wilderness setting is potentially fatal. Firstly it may be a warning sign of a serious systemic problem and secondly the patient may lose their functional independence and ability to respond to objective danger. The issues discussed in this paper fall broadly into two categories, those that are unique to the high altitude setting and those that could happen anywhere but require treatment to protect vision then standard ophthalmological care is unavailable. The aims are to provide practical knowledge on how to manage simple eye problems and also how to recognize the warning signs when evacuation may be required. In keeping with all wilderness medicine, preparation and prevention are essential to avoid eye problems in the mountains. This paper is intended for physicians, interested non-medical people and expedition operators as a practical guide to the treatment and prevention of eye problems on expeditions.
Źródło:
Health Promotion & Physical Activity; 2020, 13, 4; 1-7
2544-9117
Pojawia się w:
Health Promotion & Physical Activity
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Control system design for multi-rotor MAV
Autorzy:
Wang, W.
Ma, H.
Sun, C.-Y.
Powiązania:
https://bibliotekanauki.pl/articles/280407.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
MAV
attitude control
altitude control
LQG
memory based control
Opis:
Abstract MAVs (Micro Air Vehicles) have attracted more and more attention in recent years because of their wide applications, such as investigations of inhospitable environment, nuclear or hazardous material polluted regions and other inaccessible areas. In this paper, both attitude and altitude controls of a Quad-Rotor type MAV are discussed and analyzed. To stabilize the attitude, one order memory based controller is selected, the performance of which is independent of the detail model information, leading to enhanced robustness. While for the altitude, a Linear Quadratic Gaussian (LQG) controller is proposed. The experimental results of the real flight demonstrate the stability and robustness of the controllers.
Źródło:
Journal of Theoretical and Applied Mechanics; 2013, 51, 4; 1027-1038
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of location of Norway spruce (Picea abies) stumps on their colonisation by insects in the mountains
Autorzy:
Skrzecz, Iwona
Bulka, Maria
Ukalska, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/2044136.pdf
Data publikacji:
2019
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
mountains
altitude
exposure
insect assemblages
Coleoptera
Picea abies stump
Opis:
Tree stumps provide habitat for insect assemblages, which are influenced by various factors. Among these factors, physical and chemical changes of the stumps, fungi developing in the dead wood and stump size are most often reported. However there is limited information about the abundance of insects in stumps that are located on mountains where there are different microclimatic conditions. The studies pointed at the determination whether the location of Picea abies stumps in mountains at different altitudes above sea level and on mountainsides with different sun exposure has an impact on the frequency of insects colonising them. The study was carried out in the Eastern Sudety Mountains situated in south-western Poland. The stumps were in clearcuts located at the altitudes 600–700 m and 900–1000 m above sea level and on southern and northern mountainsides. The insects were collected from 0.05 m2 of bark from each stump and identified to the family, order or species level. The numbers of insects in the stumps were modelled with the use of the Poisson distribution or the negative binomial distribution and the generalised linear models. Picea abies stumps were colonised by insects from 16 families in 3 orders (Coleoptera, Diptera, Hymenoptera) in which the Coleoptera was most frequently represented by the families Cerambycidae, Curculionidae (with the sub-family Scolytinae). In the stumps located at the elevation of 900–1000 m there were 28% more insects than in the stumps at 600–700 m. The stumps located on mountainsides with northern exposure were colonised more abundantly by Cerambycidae. Numbers of Curculionidae in the stumps were affected by altitude. Most Curculionidae were found in the stumps located at the elevation 900–1000 m above sea level. The interaction of altitude and mountainside exposure showed more insects in the stumps at higher altitude, regardless of the mountainside exposure. The results showed that the total number of insects in the stumps was influenced by their location in mountains.
Źródło:
Folia Forestalia Polonica. Series A . Forestry; 2019, 61, 1; 64-77
0071-6677
Pojawia się w:
Folia Forestalia Polonica. Series A . Forestry
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Science, Technology and Systems Engineering Educational Activities with Stratospheric Balloons
Autorzy:
Marcuccio, Salvo
Gemignani, Matteo
Cataldi, Giuseppe
Powiązania:
https://bibliotekanauki.pl/articles/36784548.pdf
Data publikacji:
2022
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Lotnictwa
Tematy:
high-altitude ballooning
stratospheric platform
student experiment
sounding balloon
Opis:
In 2021, the Space Systems Laboratory of the University of Pisa (UniPi) started a student-oriented high-altitude ballooning programme intended to provide an opportunity for hands-on experience in support of the teaching of scientific and technical courses. The programme provides mentoring on scientific, technical and management issues, along with financial support and assistance with integration and launch on a sounding balloon platform. The goal is to conduct flying experiments in the stratosphere, retrieve them after landing and process the results; by doing so, the students experience all phases of a scientific mission project, from conceptual design to realisation, operations and post-flight analysis. Following a call for proposal open to all students of the UniPi across all study areas, three experiments were selected featuring multidisciplinary teams. This paper summarises the features of the programme’s first edition and presents the main lessons learned.
Źródło:
Transactions on Aerospace Research; 2022, 4 (269); 18-27
0509-6669
2545-2835
Pojawia się w:
Transactions on Aerospace Research
Dostawca treści:
Biblioteka Nauki
Artykuł
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