Nursing in cardiovascular diseases pdf

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Nursing in cardiovascular diseases pdf

Nursing in Cardiovascular Diseases
Edith P. Lewis

Publisher : American Journal of Nursing
Release Date :

ISBN :
Author : Edith P. Lewis
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The recently reported observation of VFTS 243 is the first example of a massive black-hole binary system with negligible binary interaction following black-hole formation. The black-hole mass (≈10M⊙) and near-circular orbit (e ≈ 0.02) of VFTS 243 suggest that the progenitor star experienced complete collapse, with energy-momentum being lost predominantly through neutrinos. VFTS 243 enables us to constrain the natal kick and neutrino-emission asymmetry during black-hole formation. At 68% confidence level, the natal kick velocity (mass decrement) is ≲10 km=s (≲1.0M⊙), with a full probability distribution that peaks when ≈0.3M⊙ were ejected, presumably in neutrinos, and the black hole experienced a natal kick of 4 km=s. The neutrino-emission asymmetry is ≲4%, with best fit values of ∼0–0.2%. Such a small neutrino natal kick accompanying black-hole formation is in agreement with theoretical predictions.

Constraints on Neutrino Natal Kicks from Black-Hole Binary VFTS 243

Constraints on Neutrino Natal Kicks from Black-Hole Binary VFTS 243

Constraints on Neutrino Natal Kicks from Black-Hole Binary VFTS 243

The magnetic dynamo cycle of the Sun features a distinct pattern: a propagating region of sunspot emergence appears around 30° latitude and vanishes near the equator every 11 years (ref. 1). Moreover, longitudinal flows called torsional oscillations closely shadow sunspot migration, undoubtedly sharing a common cause2. Contrary to theories suggesting deep origins of these phenomena, helioseismology pinpoints low-latitude torsional oscillations to the outer 5–10% of the Sun, the near-surface shear layer3,4. Within this zone, inwardly increasing differential rotation coupled with a poloidal magnetic field strongly implicates the magneto-rotational instability5,6, prominent in accretion-disk theory and observed in laboratory experiments7. Together, these two facts prompt the general question: whether the solar dynamo is possibly a near-surface instability. Here we report strong affirmative evidence in stark contrast to traditional models8 focusing on the deeper tachocline. Simple analytic estimates show that the near-surface magneto-rotational instability better explains the spatiotemporal scales of the torsional oscillations and inferred subsurface magnetic field amplitudes9. State-of-the-art numerical simulations corroborate these estimates and reproduce hemispherical magnetic current helicity laws10. The dynamo resulting from a well-understood near-surface phenomenon improves prospects for accurate predictions of full magnetic cycles and space weather, affecting the electromagnetic infrastructure of Earth.

The solar dynamo begins near the surface

The solar dynamo begins near the surface

The solar dynamo begins near the surface

We report on the discovery of Gliese 12 b, the nearest transiting temperate, Earth-sized planet found to date. Gliese 12 is a bright (V = 12.6 mag, K = 7.8 mag) metal-poor M4V star only 12.162 ± 0.005 pc away from the Solar system with one of the lowest stellar activity levels known for M-dwarfs. A planet candidate was detected by TESS based on only 3 transits in sectors 42, 43, and 57, with an ambiguity in the orbital period due to observational gaps. We performed follow-up transit observations with CHEOPS and ground-based photometry with MINERVA-Australis, SPECULOOS, and Purple Mountain Observatory, as well as further TESS observations in sector 70. We statistically validate Gliese 12 b as a planet with an orbital period of 12.76144 ± 0.00006 d and a radius of 1.0 ± 0.1 R⊕, resulting in an equilibrium temperature of ∼315 K. Gliese 12 b has excellent future prospects for precise mass measurement, which may inform how planetary internal structure is affected by the stellar compositional environment. Gliese 12 b also represents one of the best targets to study whether Earth-like planets orbiting cool stars can retain their atmospheres, a crucial step to advance our understanding of habitability on Earth and across the galaxy.

Gliese 12 b, a temperate Earth-sized planet at 12 parsecs discovered with TES...

Gliese 12 b, a temperate Earth-sized planet at 12 parsecs discovered with TES...

Gliese 12 b, a temperate Earth-sized planet at 12 parsecs discovered with TES...

Mitosis...............................pptx

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The increased availability of biomedical data, particularly in the public domain, offers the opportunity to better understand human health and to develop effective therapeutics for a wide range of unmet medical needs. However, data scientists remain stymied by the fact that data remain hard to find and to productively reuse because data and their metadata i) are wholly inaccessible, ii) are in non-standard or incompatible representations, iii) do not conform to community standards, and iv) have unclear or highly restricted terms and conditions that preclude legitimate reuse. These limitations require a rethink on data can be made machine and AI-ready - the key motivation behind the FAIR Guiding Principles. Concurrently, while recent efforts have explored the use of deep learning to fuse disparate data into predictive models for a wide range of biomedical applications, these models often fail even when the correct answer is already known, and fail to explain individual predictions in terms that data scientists can appreciate. These limitations suggest that new methods to produce practical artificial intelligence are still needed. In this talk, I will discuss our work in (1) building an integrative knowledge infrastructure to prepare FAIR and "AI-ready" data and services along with (2) neurosymbolic AI methods to improve the quality of predictions and to generate plausible explanations. Attention is given to standards, platforms, and methods to wrangle knowledge into simple, but effective semantic and latent representations, and to make these available into standards-compliant and discoverable interfaces that can be used in model building, validation, and explanation. Our work, and those of others in the field, creates a baseline for building trustworthy and easy to deploy AI models in biomedicine. Bio Dr. Michel Dumontier is the Distinguished Professor of Data Science at Maastricht University, founder and executive director of the Institute of Data Science, and co-founder of the FAIR (Findable, Accessible, Interoperable and Reusable) data principles. His research explores socio-technological approaches for responsible discovery science, which includes collaborative multi-modal knowledge graphs, privacy-preserving distributed data mining, and AI methods for drug discovery and personalized medicine. His work is supported through the Dutch National Research Agenda, the Netherlands Organisation for Scientific Research, Horizon Europe, the European Open Science Cloud, the US National Institutes of Health, and a Marie-Curie Innovative Training Network. He is the editor-in-chief for the journal Data Science and is internationally recognized for his contributions in bioinformatics, biomedical informatics, and semantic technologies including ontologies and linked data.

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FAIR & AI Ready KGs for Explainable Predictions

Michel Dumontier

In the Nice model of solar system formation, Uranus and Neptune undergo an orbital upheaval, sweeping through a planetesimal disk. The region of the disk from which material is accreted by the ice giants during this phase of their evolution has not previously been identified. We perform direct N-body orbital simulations of the four giant planets to determine the amount and origin of solid accretion during this orbital upheaval. We find that the ice giants undergo an extreme bombardment event, with collision rates as much as ∼3 per hour assuming km-sized planetesimals, increasing the total planet mass by up to ∼0.35%. In all cases, the initially outermost ice giant experiences the largest total enhancement. We determine that for some plausible planetesimal properties, the resulting atmospheric enrichment could potentially produce sufficient latent heat to alter the planetary cooling timescale according to existing models. Our findings suggest that substantial accretion during this phase of planetary evolution may have been sufficient to impact the atmospheric composition and thermal evolution of the ice giants, motivating future work on the fate of deposited solid material.

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Hemoglobin metabolism: C Kalyan & E. Muralinath

Hemoglobin metabolism: C Kalyan & E. Muralinath

Within the uncertainties of involved astronomical and biological parameters, the Drake Equation typically predicts that there should be many exoplanets in our galaxy hosting active, communicative civilizations (ACCs). These optimistic calculations are however not supported by evidence, which is often referred to as the Fermi Paradox. Here, we elaborate on this long-standing enigma by showing the importance of planetary tectonic style for biological evolution. We summarize growing evidence that a prolonged transition from Mesoproterozoic active single lid tectonics (1.6 to 1.0 Ga) to modern plate tectonics occurred in the Neoproterozoic Era (1.0 to 0.541 Ga), which dramatically accelerated emergence and evolution of complex species. We further suggest that both continents and oceans are required for ACCs because early evolution of simple life must happen in water but late evolution of advanced life capable of creating technology must happen on land. We resolve the Fermi Paradox (1) by adding two additional terms to the Drake Equation: foc (the fraction of habitable exoplanets with significant continents and oceans) and fpt (the fraction of habitable exoplanets with significant continents and oceans that have had plate tectonics operating for at least 0.5 Ga); and (2) by demonstrating that the product of foc and fpt is very small (< 0.00003–0.002). We propose that the lack of evidence for ACCs reflects the scarcity of long-lived plate tectonics and/or continents and oceans on exoplanets with primitive life.

The importance of continents, oceans and plate tectonics for the evolution of...

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The importance of continents, oceans and plate tectonics for the evolution of...

The highest priority recommendation of the Astro2020 Decadal Survey for space-based astronomy was the construction of an observatory capable of characterizing habitable worlds. In this paper series we explore the detectability of and interference from exomoons and exorings serendipitously observed with the proposed Habitable Worlds Observatory (HWO) as it seeks to characterize exoplanets, starting in this manuscript with Earth-Moon analog mutual events. Unlike transits, which only occur in systems viewed near edge-on, shadow (i.e., solar eclipse) and lunar eclipse mutual events occur in almost every star-planet-moon system. The cadence of these events can vary widely from ∼yearly to multiple events per day, as was the case in our younger Earth-Moon system. Leveraging previous space-based (EPOXI) lightcurves of a Moon transit and performance predictions from the LUVOIR-B concept, we derive the detectability of Moon analogs with HWO. We determine that Earth-Moon analogs are detectable with observation of ∼2-20 mutual events for systems within 10 pc, and larger moons should remain detectable out to 20 pc. We explore the extent to which exomoon mutual events can mimic planet features and weather. We find that HWO wavelength coverage in the near-IR, specifically in the 1.4 µm water band where large moons can outshine their host planet, will aid in differentiating exomoon signals from exoplanet variability. Finally, we predict that exomoons formed through collision processes akin to our Moon are more likely to be detected in younger systems, where shorter orbital periods and favorable geometry enhance the probability and frequency of mutual events.

Exomoons & Exorings with the Habitable Worlds Observatory I: On the Detection...

Exomoons & Exorings with the Habitable Worlds Observatory I: On the Detection...

Exomoons & Exorings with the Habitable Worlds Observatory I: On the Detection...

Mammals have dominated Earth for approximately 55 Myr thanks to their adaptations and resilience to warming and cooling during the Cenozoic. All life will eventually perish in a runaway greenhouse once absorbed solar radiation exceeds the emission of thermal radiation in several billions of years. However, conditions rendering the Earth naturally inhospitable to mammals may develop sooner because of long-term processes linked to plate tectonics (short-term perturbations are not considered here). In ~250 Myr, all continents will converge to form Earth’s next supercontinent, Pangea Ultima. A natural consequence of the creation and decay of Pangea Ultima will be extremes in pCO2 due to changes in volcanic rifting and outgassing. Here we show that increased pCO2, solar energy (F⨀; approximately +2.5% W m−2 greater than today) and continentality (larger range in temperatures away from the ocean) lead to increasing warming hostile to mammalian life. We assess their impact on mammalian physiological limits (dry bulb, wet bulb and Humidex heat stress indicators) as well as a planetary habitability index. Given mammals’ continued survival, predicted background pCO2 levels of 410–816 ppm combined with increased F⨀ will probably lead to a climate tipping point and their mass extinction. The results also highlight how global landmass configuration, pCO2 and F⨀ play a critical role in planetary habitability.

Climate extremes likely to drive land mammal extinction during next supercont...

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ERTHROPOIESIS: Dr. E. Muralinath & R. Gnana Lahari

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Structures and textures of metamorphic rocks

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INSIGHT Partner Profile: Tampere University

Steffi Friedrichs

Mars is a particularly attractive candidate among known astronomical objects to potentially host life. Results from space exploration missions have provided insights into Martian geochemistry that indicate oxychlorine species, particularly perchlorate, are ubiquitous features of the Martian geochemical landscape. Perchlorate presents potential obstacles for known forms of life due to its toxicity. However, it can also provide potential benefits, such as producing brines by deliquescence, like those thought to exist on present-day Mars. Here we show perchlorate brines support folding and catalysis of functional RNAs, while inactivating representative protein enzymes. Additionally, we show perchlorate and other oxychlorine species enable ribozyme functions, including homeostasis-like regulatory behavior and ribozyme-catalyzed chlorination of organic molecules. We suggest nucleic acids are uniquely wellsuited to hypersaline Martian environments. Furthermore, Martian near- or subsurface oxychlorine brines, and brines found in potential lifeforms, could provide a unique niche for biomolecular evolution.

Emergent ribozyme behaviors in oxychlorine brines indicate a unique niche for...

Emergent ribozyme behaviors in oxychlorine brines indicate a unique niche for...

Emergent ribozyme behaviors in oxychlorine brines indicate a unique niche for...

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Hadean zircons provide a potential record of Earth's earliest subduction 4.3 billion years ago. Itremains enigmatic how subduction could be initiated so soon after the presumably Moon‐forming giant impact(MGI). Earlier studies found an increase in Earth's core‐mantle boundary (CMB) temperature due to theaccumulation of the impactor's core, and our recent work shows Earth's lower mantle remains largely solid, withsome of the impactor's mantle potentially surviving as the large low‐shear velocity provinces (LLSVPs). Here,we show that a hot post‐impact CMB drives the initiation of strong mantle plumes that can induce subductioninitiation ∼200 Myr after the MGI. 2D and 3D thermomechanical computations show that a high CMBtemperature is the primary factor triggering early subduction, with enrichment of heat‐producing elements inLLSVPs as another potential factor. The models link the earliest subduction to the MGI with implications forunderstanding the diverse tectonic regimes of rocky planets.

A Giant Impact Origin for the First Subduction on Earth

A Giant Impact Origin for the First Subduction on Earth

A Giant Impact Origin for the First Subduction on Earth

Plasmapheresis - Dr. E. Muralinath - Kalyan . C.pptx

Plasmapheresis - Dr. E. Muralinath - Kalyan . C.pptx

Plasmapheresis - Dr. E. Muralinath - Kalyan . C.pptx

Recent discoveries of Earth-sized planets transiting nearby M dwarfs have made it possible to characterize the atmospheres of terrestrial planets via follow-up spectroscopic observations. However, the number of such planets receiving low insolation is still small, limiting our ability to understand the diversity of the atmospheric composition and climates of temperate terrestrial planets. We report the discovery of an Earth-sized planet transiting the nearby (12 pc) inactive M3.0 dwarf Gliese 12 (TOI-6251) with an orbital period (Porb) of 12.76 days. The planet, Gliese 12 b, was initially identified as a candidate with an ambiguous Porb from TESS data. We confirmed the transit signal and Porb using ground-based photometry with MuSCAT2 and MuSCAT3, and validated the planetary nature of the signal using high-resolution images from Gemini/NIRI and Keck/NIRC2 as well as radial velocity (RV) measurements from the InfraRed Doppler instrument on the Subaru 8.2 m telescope and from CARMENES on the CAHA 3.5 m telescope. X-ray observations with XMM-Newton showed the host star is inactive, with an X-ray-to-bolometric luminosity ratio of log 5.7 L L X bol » - . Joint analysis of the light curves and RV measurements revealed that Gliese 12 b has a radius of 0.96 ± 0.05 R⊕,a3σ mass upper limit of 3.9 M⊕, and an equilibrium temperature of 315 ± 6 K assuming zero albedo. The transmission spectroscopy metric (TSM) value of Gliese 12 b is close to the TSM values of the TRAPPIST-1 planets, adding Gliese 12 b to the small list of potentially terrestrial, temperate planets amenable to atmospheric characterization with JWST.

Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Tr...

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NuGOweek 2024 full programme - hosted by Ghent University

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Constraints on Neutrino Natal Kicks from Black-Hole Binary VFTS 243

Constraints on Neutrino Natal Kicks from Black-Hole Binary VFTS 243

Constraints on Neutrino Natal Kicks from Black-Hole Binary VFTS 243

The solar dynamo begins near the surface

The solar dynamo begins near the surface

The solar dynamo begins near the surface

Gliese 12 b, a temperate Earth-sized planet at 12 parsecs discovered with TES...

Gliese 12 b, a temperate Earth-sized planet at 12 parsecs discovered with TES...

Gliese 12 b, a temperate Earth-sized planet at 12 parsecs discovered with TES...

Mitosis...............................pptx

Mitosis...............................pptx

Mitosis...............................pptx

FAIR & AI Ready KGs for Explainable Predictions

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FAIR & AI Ready KGs for Explainable Predictions

Extensive Pollution of Uranus and Neptune’s Atmospheres by Upsweep of Icy Mat...

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Hemoglobin metabolism: C Kalyan & E. Muralinath

Hemoglobin metabolism: C Kalyan & E. Muralinath

Hemoglobin metabolism: C Kalyan & E. Muralinath

The importance of continents, oceans and plate tectonics for the evolution of...

The importance of continents, oceans and plate tectonics for the evolution of...

The importance of continents, oceans and plate tectonics for the evolution of...

Exomoons & Exorings with the Habitable Worlds Observatory I: On the Detection...

Exomoons & Exorings with the Habitable Worlds Observatory I: On the Detection...

Exomoons & Exorings with the Habitable Worlds Observatory I: On the Detection...

Climate extremes likely to drive land mammal extinction during next supercont...

Climate extremes likely to drive land mammal extinction during next supercont...

Climate extremes likely to drive land mammal extinction during next supercont...

ERTHROPOIESIS: Dr. E. Muralinath & R. Gnana Lahari

ERTHROPOIESIS: Dr. E. Muralinath & R. Gnana Lahari

ERTHROPOIESIS: Dr. E. Muralinath & R. Gnana Lahari

Structures and textures of metamorphic rocks

Structures and textures of metamorphic rocks

Structures and textures of metamorphic rocks

INSIGHT Partner Profile: Tampere University

Emergent ribozyme behaviors in oxychlorine brines indicate a unique niche for...

Emergent ribozyme behaviors in oxychlorine brines indicate a unique niche for...

Emergent ribozyme behaviors in oxychlorine brines indicate a unique niche for...

NuGOweek 2024 Ghent - programme - final version

NuGOweek 2024 Ghent - programme - final version

NuGOweek 2024 Ghent - programme - final version

GBSN - Microbiology (Lab 1) Microbiology Lab Safety Procedures

GBSN - Microbiology (Lab 1) Microbiology Lab Safety Procedures

GBSN - Microbiology (Lab 1) Microbiology Lab Safety Procedures

A Giant Impact Origin for the First Subduction on Earth

A Giant Impact Origin for the First Subduction on Earth

A Giant Impact Origin for the First Subduction on Earth

Plasmapheresis - Dr. E. Muralinath - Kalyan . C.pptx

Plasmapheresis - Dr. E. Muralinath - Kalyan . C.pptx

Plasmapheresis - Dr. E. Muralinath - Kalyan . C.pptx

Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Tr...

Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Tr...

Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Tr...

NuGOweek 2024 full programme - hosted by Ghent University

NuGOweek 2024 full programme - hosted by Ghent University

NuGOweek 2024 full programme - hosted by Ghent University

Nursing in cardiovascular diseases pdf

1. Nursing in Cardiovascular Diseases Edith P. Lewis

2. Publisher : American Journal of Nursing Release Date :

3. ISBN : Author : Edith P. Lewis Download Here http://eap-books.club/readonline/?item=B001DASEMC&lan=en

4. Download Here http://eap-books.club/readonline/?item=B001DASEMC&lan=en

5. Download Here http://eap- books.club/readonline/?item=B001DASEMC&lan=en Powered by TCPDF (www.tcpdf.org)