• During these periods, hypoxia and anoxia were dominated by watershed-derived organic matter loading. (int-res.com)
  • The responses of primary production, hypoxia, and anoxia to these hydrologically contrasting years and resultant organic matter loadings help distinguish watershed from internal forcing of O 2 dynamics and fish kills. (int-res.com)
  • During night-time, water-column hypoxia can lead to anoxic conditions at the leaf/epiphyte interface, reducing diffusive O 2 supply and thus O 2 availability for plant respiration and transport to below-ground tissues. (frontiersin.org)
  • In other regions experiencing various degrees of O2-deficiency (hypoxia to anoxia), CH4 concentrations vary from a few to hundreds of nanomolar levels. (geomar.de)
  • Although this drug may improve maternal hypotension associated with septic shock and anaphylaxis, it may result in uterine vasoconstriction, decreased uterine blood flow, and fetal anoxia. (drugs.com)
  • If the part of neonatal anoxia in neonatal mortality is known in Mali [6] , however, its epidemio-clinical characteristics had never been studied before. (scirp.org)
  • Selected biochemical variables in a model of neonatal anoxia in rats. (nel.edu)
  • To assess the time course of biochemical responses to neonatal anoxia. (nel.edu)
  • Neonatal anoxia was induced by placing 2-day-old rat pups into a glass chamber with 100% N(2) atmosphere, T=36.5 degrees C, for 20 minutes. (nel.edu)
  • Ten minutes after the insult, neonatal anoxia caused a threefold increase of the lactate level in serum as well as in all organs assessed, returning to control values in 2 hours. (nel.edu)
  • The results indicate disruption of aerobic metabolism in our experimental model of neonatal anoxia, as proved by sharply increasing lactate levels. (nel.edu)
  • Although the model used requires further specification, the obtained data are indicative of its usefulness in the study of neonatal anoxia. (nel.edu)
  • Navarová J, Schmidtová M, Ujházy E, Dubovický M, Mach M. Selected biochemical variables in a model of neonatal anoxia in rats. (nel.edu)
  • Theories of the cause range from asteroid impact or volcanic eruption, to "anoxia," (seawater depleted of oxygen. (chick.com)
  • To explore this idea, we reconstruct the contemporaneous global extent of marine anoxia using uranium (U) isotopes from Ludfordian marine carbonates sampled from two widely spaced paleogeographic locations. (lu.se)
  • In prior times, Intravenous hydration was originally used to cure anoxia or dehydration, now, its use has become diverse by medical practitioners and multiple wellness centers. (criticsrant.com)
  • During this time, the pond surface is covered with ice and snow, denying the turtles access to air and trapping them in water that can become severely hypoxic or anoxic. (bioone.org)
  • The next type of anoxic brain injury is Stagnant anoxia, which is caused by an internal condition that decreases the oxygen supply for the brain. (rehabchicago.org)
  • The last type of anoxic brain injury is known as anoxic anoxia, which happens when there is not enough oxygen in the air around you to supply the body with what it needs. (rehabchicago.org)
  • Anoxic anoxia usually occurs in people that are in high altitudes, such as people whom go mountain climbing. (rehabchicago.org)
  • The Great Oxidation Event ( GOE ) or Great Oxygenation Event , also called the Oxygen Catastrophe , Oxygen Revolution , Oxygen Crisis or Oxygen Holocaust , [2] was a time interval during the Early Earth 's Paleoproterozoic Era when the Earth's atmosphere and the shallow ocean first experienced a rise in the concentration of oxygen . (wikipedia.org)
  • If we continue business-as-usual CO2 emissions, ocean pH will eventually drop to a point at which a host of other chemical changes such as anoxia (an absence of oxygen) are expected. (skepticalscience.com)
  • The first type is called anemic anoxia, where the blood does not have the ability to carry the amount of oxygen which the brain needs to function correctly. (rehabchicago.org)
  • Another type of injury is toxic anoxia, which is where the oxygen to the brain is decreased because of toxins in the system. (rehabchicago.org)
  • Strong climatic variability at this time suggests anoxia and climate change led to the extinctions of the Lau/Kozlowskii bioevent. (lu.se)
  • The positive δ 13 C excursion and the extinctions have been linked to increased marine productivity (ocean eutrophication), leading to increased organic carbon burial, and expansion of marine anoxia in shallow continental seas. (lu.se)
  • Our δ 238 U results demonstrate that the overall MLCIE was not coupled to expanding marine anoxia and a presumed associated increased marine primary productivity. (lu.se)
  • Thus, increased marine primary productivity and marine anoxia may have caused the initial carbon cycle disturbance and the extinctions but was not a main driver for the continued growth and exceptional magnitude of the MLCIE. (lu.se)
  • Marine organisms also have time to adapt to the new environmental conditions. (skepticalscience.com)
  • It also gives marine life little time to adapt. (skepticalscience.com)
  • For example, the residence time and water renewal rate of lagoons, the nearby location of large urban and industrial developments with insufficient waste management, river and outfall discharges, seasonal climate fluctuations, natural phenomena (hurricanes, typhoons, etc.) and the typology of microplastics," says study first author Ostin Garcés-Ordóñez, a member of the Consolidated Research Group in Marine Geosciences. (earth.com)
  • Such patterns often are seen in anoxia, head trauma, and diffuse cerebral insults. (medscape.com)
  • Although males and females were equally likely to visit an ED for CO exposure, males were 2.3 times more likely to die from CO poisoning. (cdc.gov)
  • An incident was identified as a case if 1) the intent of injury was unintentional or undetermined, 2) the principal diagnosis by a physician was 'poisoning' or 'anoxia,' and 3) the consumer product indicated was 'CO detector' or 'CO poisoning (source unknown)' or a brief narrative abstracted from the medical record indicated either CO exposure or CO poisoning. (cdc.gov)
  • Phytoplankton blooms followed periods of elevated N loading, except during extremely high runoff periods (e.g. hurricanes), when high rates of flushing and reduced water residence times did not allow sufficient time for bloom development. (int-res.com)
  • In the case of the Mosquito Lagoon in Florida (USA), it takes 200-300 days to renew 50 percent of the water, and therefore microplastics entering this lagoon can remain in this ecosystem for considerable periods of time. (earth.com)
  • Evolutionists are scrambling to find evidence of the huge time periods necessary for random mutation to create modern man from the primordial soup. (chick.com)
  • Animal reproduction studies of subcutaneous administration of this during organogenesis resulted in adverse developmental effects (including gastroschisis, embryonic lethality, and delayed skeletal ossification) at doses approximately 2 times the maximum recommended daily intramuscular, subcutaneous, or intravenous dose. (drugs.com)
  • In an animal embryofetal development study with dosing during organogenesis (on days 3 to 5, 6 to 7, or 7 to 9 of gestation), epinephrine caused teratogenic effects (including gastroschisis) at doses approximately 15 times the maximum recommended intramuscular, subcutaneous, or intravenous dose (on a mg/m2 basis at a maternal subcutaneous dose of 1.2 mg/kg/day for 2 to 3 days). (drugs.com)
  • In an embryofetal development study subcutaneous administration on gestation days 6 to 15 showed teratogenicity, embryonic lethality, and delays in skeletal ossification at approximately 3 times the maximum recommended intramuscular, subcutaneous, or intravenous dose. (drugs.com)
  • In an embryofetal development study with subcutaneous administration during organogenesis (from gestation days 7 to 10) litter size was reduced and delayed skeletal ossification was seen at doses approximately 2 times the maximum recommended intramuscular, subcutaneous, or intravenous dose. (drugs.com)
  • The prognosis was poor in grade III anoxia in our patients (56%) of deaths. (scirp.org)
  • The profile of glutathione in the liver showed a time-dependent rise observed in both groups. (nel.edu)
  • Polycythemia may also be seen as a response to the chronic anoxia caused by the methemoglobinemia. (haz-map.com)
  • Most of the time lung disease can cause this type of brain injury, but it can also be caused by a case of chronic anemia, carbon monoxide poisoning, and acute hemorrhage. (rehabchicago.org)
  • That's not to say meteorites or global warming played no part in coral extinction - both have been contributing factors at various times. (skepticalscience.com)
  • A large set of causes have been proposed to explain the largest extinction event in benthic foraminiferal history, ranging from ocean acidification, sub- and anoxia of bottom waters, thermal stress, global changes in primary and export productivity, to increased viral activity. (confex.com)
  • Some suffer the effects of pollution from urban, industrial and agricultural sources, such as the Valencia lagoon and the Mar Menor in Murcia, where there have recently been massive deaths of fish due to episodes of anoxia," notes Professor Miquel Canals, director of the UB Department of Earth and Ocean Dynamics and a leading member of the research team. (earth.com)
  • Therefore, efforts to manage and restore IRES will depend on improved understanding of hydrological controls on microbial communities and functions across space and time. (ufz.de)
  • damage is usually a secondary result of anoxia caused by loss of lung function. (cdc.gov)
  • Simulations were unable to capture the wide diurnal range of observed continuous DO and phytoplankton concentrations, potentially suggesting the need for improved understanding of processes at this time scale. (mdpi.com)
  • and acknowledge that during the activity I/we may experience fatigue, chill and/or dizziness which may diminish my/our reaction time and increase the risk of an accident. (smartwaiver.com)
  • [14] Either carbon dioxide levels were much higher at the time, providing enough of a greenhouse effect to warm the Earth, or other greenhouse gases were present. (wikipedia.org)
  • As groundwater levels become shallower than these depth bands, crop yields declined sharply (~0.05 kg m-2 on average for every 10 cm increase in water table level), suggesting negative effects of waterlogging and root anoxia. (conicet.gov.ar)
  • Due to its blockade of glutamatergic neurotransmission, riluzole also exhibits myorelaxant and sedative properties in animal models at doses of 30 mg/kg (about 20 times the recommended human daily dose) and anticonvulsant properties at a dose of 2.5 mg/kg (about 2 times the recommended human daily dose). (nih.gov)
  • They lose brain cells every time you have to suction. (allnurses.com)
  • The brain and spinal cord, in contrast, contain only 10 to 30 times the amount present in plasma. (drugs.com)
  • But I always read that three times only, three seconds each time. (allnurses.com)
  • Life has been growing on Earth for about 4 billion years, and during that time there have been a handful of mass extinctions that have wiped out a large percentage of complex lifeforms. (scienceblogs.com)
  • Red and green lines represent the range of the estimates while time is measured in billions of years ago (Ga). (wikipedia.org)
  • [12] [13] The Sun shone at about 70% of its current brightness 4 billion years ago, but there is strong evidence that liquid water existed on Earth at the time. (wikipedia.org)
  • Without exception, the reconstructions show that Northern Hemisphere temperatures are now higher than at any time during the past 1,000 years (Figure 1), confirming and strengthening the conclusions drawn in the previous IPCC report of 2001. (realclimate.org)
  • Riluzole has also been shown, in a single study, to delay median time to death in a transgenic mouse model of ALS. (nih.gov)
  • At the time of the EEG (3 d after the injury) the patient was comatose, but respirations were spontaneous and he responded appropriately to painful stimulation. (medscape.com)
  • Such microenvironmental stress conditions at night-time are exacerbated by increasing temperatures. (frontiersin.org)
  • Protozoans show a wide range of survival strategies and several species can resist harsh conditions such as anoxia in drying pools. (ufz.de)
  • Venous blood at the time of venipuncture appears brown-colored. (haz-map.com)
  • 2020). The combination of osmotic stress, permanent anoxia, and elevated hydrostatic pressure makes them one of the most extreme and least explored environments on Earth. (tos.org)
  • Pronouncing & Certifying physician-To the best of my knowledge, death occurred at the time, date, and place, and due to the cause(s) and manner stated. (cdc.gov)
  • Medical Examiner/Coroner-On the basis of examination, and/or investigation, in my opinion, death occurred at the time, date, and place, and due to the cause(s) and manner stated. (cdc.gov)
  • In in vitro tests, riluzole protected cultured rat motor neurons from the excitotoxic effects of glutamic acid and prevented the death of cortical neurons induced by anoxia. (nih.gov)
  • At the same time as the project creates tangible water protection results, we accrue valuable information that can be used in the development of agricultural support systems. (johnnurmisensaatio.fi)
  • The neonates of anaemic women also had 1.8 times increased risk having low Apgar scores at 1 minute and there was a 3.7 greater risk of intrauterine fetal death among the anaemic women than the non-anaemic women. (who.int)
  • 53. DECEDENT'S RACE (Check one or more races to indicate what the that best describes the highest degree or level of that best describes whether the decedent is decedent considered himself or herself to be) school completed at the time of death. (cdc.gov)
  • It goes like this: when the young Carl Gauss was a small child in school, his teacher wished to kill some time by making the students practice their addition by adding the integers from 1 to 100. (scienceblogs.com)
  • A time constant of 0.3 seconds typically is chosen to record the slower frequencies present in the neonatal EEG. (medscape.com)
  • Although the event is inferred to have constituted a mass extinction , [7] due in part to the great difficulty in surveying microscopic organisms' abundances, and in part to the extreme age of fossil remains from that time, the Great Oxidation Event is typically not counted among conventional lists of "great extinctions", which are implicitly limited to the Phanerozoic eon . (wikipedia.org)
  • The odor threshold for phosgene is 5 times higher than the OSHA PEL. (cdc.gov)
  • The risk declines over time but never quite goes away. (bmj.com)
  • The risk of preterm delivery and low birth weight among the anaemic women was 4 and 1.9 times more respectively than the non-anaemic women. (who.int)
  • Despite initial debate there is now robust evidence to claim that patency of foramen ovale increases the risk of developing DS by two and half to four times. (who.int)
  • This process is a healthy and relatively safe manner to nourish your body with nutrients in less time. (criticsrant.com)
  • The disease can develop at any age and can be present at the time of birth or may never be cured. (technavio.com)