Testing rate
Dotaz
Zobrazit nápovědu
Cílem studie bylo navrhnout způsob testování maximální srdeční frekvence (SF) v bazénu s protiproudem. Pro získání relevantních dat jsme upravili a použili metodiku testování maximální srdeční frekvence (SFmax) na suchu. Vzorek probandů k výzkumu byl vybrán ze studentů a učitelů UK FTVS, kteří jsou bývalí nebo stále aktivní plavci. Pro zaznamenávání SF byl použit sporttestr a vyhodnocení dat bylo provedeno programem Polar Precision Performance. Po dokončení testu jsme odběrem kontrolovali hladinu laktátu v krvi. Každý proband zahajoval test rozplaváním na své individuální submaximální rychlosti, kterou jsme stanovili pomocí testu kritické rychlosti plavání (Critical Swimming Speed – CSS). Z analýzy výsledků vyplývá, že čtyři probandi ze šesti dosáhli hodnot SFmax, která byla vyšší než hodnoty získané teoretickým výpočtem SFmax. Hodnoty laktátu variovaly v rozsahu od 7,7 do 13,4 mmol/l.
The aim of this study was to propose a way of testing the maximum HR in the pool with counter current (flume). To obtain relevant data, we modified the methodology used for testing maximum HR on land. A sample of probands was chosen from students and teachers of Faculty of Physical Education and Sport of Charles University who are former or still active swimmers. A sporttester was used to detect a heart rate. Data processing was made by Polar Precision Performance program. After completing the test, we checked the collection of blood lactate. Each proband warmed up on his individual submaximal speed which we determined using the CSS test. The analysis results show that four of the six probands reached maximum values of HR, which was higher than the values obtained by theoretical calculation of max HR. Lactate levels ranged from 7.7 to 13.4 mmol/l.
- MeSH
- chování dětí MeSH
- dítě MeSH
- lidé MeSH
- psychologické testy MeSH
- srdeční frekvence MeSH
- Check Tag
- dítě MeSH
- lidé MeSH
- mužské pohlaví MeSH
BACKGROUND: Antifungal drug resistance in dermatophytes was first reported shortly after the turn of the millennium and has today been reported in Trichophyton and occasionally in Microsporum, but not in Epidermophyton species. Although drug resistance in dermatophytes is not routinely investigated, resistance in Trichophyton spp. is increasingly reported worldwide. The highest rates are observed in India (36% and 68% for terbinafine (MIC ≥4 mg/L) and fluconazole (MICs ≥16 mg/L), respectively), and apparently involve the spread of a unique clade related to the Trichophyton mentagrophytes/Trichophyton interdigitale complex. OBJECTIVES: The European Committee on Antimicrobial Susceptibility Testing Subcommittee on Antifungal Susceptibility Testing (EUCAST-AFST) has released a new method (E.Def 11.0) for antifungal susceptibility testing against microconidia-forming dermatophytes including tentative MIC ranges for quality control strains and tentative breakpoints against Trichophyton rubrum and T. interdigitale. Here, the details of the new procedure E.Def 11.0 are described. SOURCES: This technical note is based on the multicentre validation of the EUCAST dermatophyte antifungal susceptibility testing method, the mould testing method (E.Def 9.3.2) and the updated quality control tables for antifungal susceptibility testing document, v 5.0 (available on the EUCAST website). CONTENTS: The method is based on the EUCAST microdilution method for moulds but significant differences include: (a) an altered test medium selective for dermatophytes; (b) an altered incubation time and temperature; and (c) a different end-point criterion (spectrophotometric determination) of fungal growth. It can easily be implemented in laboratories already performing EUCAST microdilution methods and has been validated for terbinafine, voriconazole, itraconazole and amorolfine against T. rubrum and T. interdigitale. IMPLICATIONS: This standardized procedure with automated end-point reading will allow broader implementation of susceptibility testing of dermatophytes and so facilitate earlier appropriate therapy. This is important, as resistance is rapidly emerging and largely underdiagnosed.
In this paper, a new approach for the periodical testing and the functionality evaluation of a fetal heart rate monitor device based on ultrasound principle is proposed. The design and realization of the device are presented, together with the description of its features and functioning tests. In the designed device, a relay element, driven by an electric signal that allows switching at two specific frequencies, is used to simulate the fetus and the mother's heartbeat. The simulator was designed to be compliant with the standard requirements for accurate assessment and measurement of medical devices. The accuracy of the simulated signals was evaluated, and it resulted to be stable and reliable. The generated frequencies show an error of about 0.5% with respect to the nominal one while the accuracy of the test equipment was within ±3% of the test signal set frequency. This value complies with the technical standard for the accuracy of fetal heart rate monitor devices. Moreover, the performed tests and measurements show the correct functionality of the developed simulator. The proposed equipment and testing respect the technical requirements for medical devices. The features of the proposed device make it simple and quick in testing a fetal heart rate monitor, thus providing an efficient way to evaluate and test the correlation capabilities of commercial apparatuses.
- MeSH
- lidé MeSH
- monitorování fyziologických funkcí MeSH
- plod * MeSH
- srdeční frekvence plodu * MeSH
- srdeční frekvence MeSH
- těhotenství MeSH
- ultrasonografie MeSH
- Check Tag
- lidé MeSH
- těhotenství MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
Cílem této práce bylo zhodnotit prognostický význam poklesu srdeèní frekvence (PSF) po zátìži u pacientù s chronickým srdeèním selháním (CHSS) a porovnat jej s jinými indikátory mortality. Metody: Byla provedena analýza dat 712 pacientù s CHSS, kteøí podstoupili echokardiografické a zátìžové vyšetøení. Výsledky: Pacienti byli rozdìleni do 3 skupin podle PSF: skupina 1 (PSF ≤ 4 tepù/min), skupina 2 (5 ≤ PSF ≤ 9 tepù/min) a skupina 3 (PSF ≥ 10 tepù/min). Skupina 1 mìla nejvyšší mortalitu v krátkodobémstoupili echokardiografické a zátìžové vyšetøení. Výsledky: Pacienti byli rozdìleni do 3 skupin podle PSF: skupina 1 (PSF ≤ 4 tepù/min), skupina 2 (5 ≤ PSF ≤ 9 tepù/min) a skupina 3 (PSF ≥ 10 tepù/min).
The goal of this study was to evaluate heart rate recovery (HRR) as a useful variable in assessing risk of death in heart failure (HF) patients and compare it with other prognostic indicators. Methods: Retrospective data were analyzed in 712 HF patients who underwent echocardiography and exercise testing. Results: Patients were divided into 3 groups according to their HRR: group 1 (HRR ≤ 4 bpm), group 2 (5 ≤ HRR ≤ 9 bpm), and group 3 (HRR ≥ 10). Group 1 had the highest mortality in both, the long and short term. HRR was independently predictive of mortality after adjusting for age, gender, NYHA class, LVEF and BMI. Conclusions: HRR might be used as an additional prognostic indicator.
- MeSH
- anaerobní práh MeSH
- dítě MeSH
- lidé MeSH
- srdeční frekvence analýza MeSH
- zátěžový test MeSH
- Check Tag
- dítě MeSH
- lidé MeSH
