• Often the term is used to mean hypoxia or anoxia, low or absent oxygen. (pampers.com)
  • 3- 5 Therefore, during severe hypoxia or anoxia, the cell initiates a cascade of events that leads to apoptotic cell death, thereby preventing the accumulation of cells with hypoxia induced mutations. (bmj.com)
  • What is cerebral anoxia? (mybubbaandme.com)
  • Cerebral hypoxia occurs when your brain doesn't get enough oxygen. (mybubbaandme.com)
  • What are the signs of cerebral anoxia? (mybubbaandme.com)
  • There are many potential causes of cerebral anoxia, including: Cardiac or respiratory arrest. (mybubbaandme.com)
  • Cerebral hypoxia/anoxia: This condition occurs when the brain is deprived of oxygen. (mrr-law.com)
  • It causes altitude sickness causing potentially fatal outcomes such as high altitude pulmonary edema (HAPE) and high altitude cerebral edema 由于缺氧损伤(HACE)。缺氧也可以occurred in healthy people when breathing mixtures of gasses with a low oxygen concentration, e.g. (mcpcourse.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)
  • As the toxic syndrome progresses, paralysis of the diaphragm and intercostal muscles occur. (aspcapro.org)
  • Toxic blooms occur following warm, sunny weather, especially in ponds with runoff from fertilized fields or pastured animals. (aspcapro.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)
  • Methylation of mercury (Hg) to highly toxic methyl Hg (MeHg), a process known to occur when organic matter (OM) decomposition leads to anoxia, is considered a worldwide threat to aquatic ecosystems and human health. (lu.se)
  • Blisters occur in about 6% of cases, and are believed to be due to a direct toxic action on the epidermis. (forensicfield.blog)
  • Euxinia most frequently occurred in the Earth's ancient oceans, but its distribution and frequency of occurrence are still under debate. (wikipedia.org)
  • Discovering the root cause of Earth's mass extinctions has long been a hot topic for scientists, as understanding the environmental conditions that led to the elimination of the majority of species in the past could potentially help prevent a similar event from occurring in the future. (scitechdaily.com)
  • However, we were surprised to see expanded anoxia in the lower ocean since anoxia in Earth's history is generally associated with volcanism-induced global warming. (scitechdaily.com)
  • Strong climatic variability at this time suggests anoxia and climate change led to the extinctions of the Lau/Kozlowskii bioevent. (lu.se)
  • Temporary stratification followed by complete mixing of the water column occurred several times each summer, but its duration was highly variable between years despite only small climatic variations. (sdu.dk)
  • This is followed by a similar exercise on human influences presently constituting the major pressures on biodiversity (not continent building, asteroids, climate, anoxia, ocean currents, etc. (confex.com)
  • Their data, combined with computer modeling simulations, suggested that there was no evidence of anoxia --- or lack of oxygen -- strengthening during the extinction event in the shallow ocean animal habitat where most organisms lived, meaning that climate cooling that occurred during the Late Ordovician period combined with additional factors likely was responsible for LOME. (scitechdaily.com)
  • On the other hand, there is evidence that anoxia in deep oceans expanded during that same time, a mystery that cannot be explained by the classic model of ocean oxygen, climate modeling expert Alexandre Pohl says. (scitechdaily.com)
  • Our results outline how abrupt ecosystem changes may occur even in the absence of anthropogenic climate change. (knaw.nl)
  • They can also develop seizures, become comatose, and die from anoxia. (aspcapro.org)
  • Decreased peristalsis may occur in deeply comatose patient and tends to be a bad prognostic sign. (forensicfield.blog)
  • Brain injuries during surgery could occur because the supply of blood and/or oxygen to the brain is reduced or stopped entirely due to a heart attack, stroke, problems with anesthesia, or other complications with medications. (berkowitzlawfirm.com)
  • Pertussis is a highly communicable disease occurring mostly in children and adolescents and caused by the gram-negative bacterium Bordetella pertussis . (msdmanuals.com)
  • The first IOM review examined certain events occurring after administration of pertussis and rubella vaccines ( Table 2 ) (4). (cdc.gov)
  • 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)
  • Early Jurassic) and resulted in numerous collateral effects including global warming, enhanced weathering, sea-level change, carbonate crisis, marine anoxia-dysoxia, and a second-order mass extinction. (geoscienceworld.org)
  • In FLE , the seizures typically occur in short bursts of less than a minute while the patient is sleeping. (wanderingsolace.com)
  • Hemorrhage into the brain, eyes, skin, and mucous membranes can result from severe paroxysms and consequent anoxia. (msdmanuals.com)
  • Cells adapt to this environmental stress, so that after repeated periods of hypoxia, selection for resistance to hypoxia induced apoptosis occurs. (bmj.com)
  • Apoptosis - cell death that occurs naturally as part of normal development, maintenance, and renewal of tissues within an organism. (casperdetoledo.com)
  • Phases of hypolimnetic anoxia are inferred from the deposition of dark organic sediments within a stratified lake system, which occurred during periods of increased snowmelt (and solid winter precipitation) and warmer spring/summer temperatures that promoted floods and the export of terrestrial material from the catchment. (knaw.nl)
  • Sulfate reduction in these environments is often limited to occurring in seabed sediments that have a strong redox gradient and become anoxic at some depth below the sediment-water interface. (wikipedia.org)
  • In most modern settings these conditions only occur in a small portion of sediments, resulting in insufficient concentrations of hydrogen sulfide to form euxinic waters. (wikipedia.org)
  • may occur with ischemia or with other conditions such as metabolic poisons or water intoxication. (geometry.net)
  • This is the first strong evidence for the development of global ocean anoxia in the Late Jurassic and the breakthrough result demonstrating a very close genetic relationship between mineral/petroleum resource formations and paleocean environmental changes. (u-tokyo.ac.jp)
  • Scenarios in which acute neurologic illnesses that occur after. (cdc.gov)
  • The prognosis was poor in grade III anoxia in our patients (56%) of deaths. (scirp.org)
  • Brain injury" means any injury to the brain that occurs after birth that is acquired through traumatic or non-traumatic insults. (virginia.gov)
  • The expert testified that the injury depicted on the imaging of the brain obtained within days of the child's birth demonstrated a mixed pattern of partial prolonged hypoxia with anoxia, which was consistent with the injury occurring during the mother's labor. (milawyersweekly.com)
  • Without oxygen, brain cells die, and a brain injury can occur. (mybubbaandme.com)
  • 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)
  • We will zealously represent your interests in connection with a brain injury case that occurs because of the medical negligence of a doctor or hospital. (damoreinjurylaw.com)
  • The progression of liver injury to cirrhosis may occur over several weeks to years. (medscape.com)
  • high levels of eutrophication and anoxia occur as a result of agricultural run-off and domestic wastewater and solid waste discharge. (eac.int)
  • This second most common type of dementia occurs as a result of damage to the vessels that supply blood to the brain. (cgakit.com)
  • Systemic damage is usually a secondary result of anoxia caused by loss of lung function. (cdc.gov)
  • Although sulfate reduction occurs in waters throughout the world, most modern-day aquatic habitats are oxygenated due to photosynthetic production of oxygen and gas exchange between the atmosphere and surface water. (wikipedia.org)
  • Anoxic anoxia usually occurs in people that are in high altitudes, such as people whom go mountain climbing. (rehabchicago.org)
  • During anoxia fish accumulated in the upper 2 m and high accumulation of phosphate (up to 1.34 mg/l), ammonia (up to 2.32 mg/l) and greenhouse gases (methane up to 5 mg/l) occurred at depths greater than 2-3 m that were released at mixing. (sdu.dk)
  • Generalized hypoxia can occur in healthy people at a high altitude where oxygen concentration of the air is low. (mcpcourse.com)
  • Metabolism occurs in liver by oxidation resulting in formation of alcohols, ketones, phenols and carboxylic acid. (forensicfield.blog)
  • Euxinia still occurs occasionally today, mostly in meromictic lakes and silled basins such as the Black Sea and some fjords. (wikipedia.org)
  • In particular, the detection of Bacteriopheophytin a (Bphe a), a pigment produced by anoxygenic phototrophic bacteria at the chemocline of meromictic lakes, emphasizes episodes of multi-decadal to centennial hypolimnetic anoxia in Lake Son Kol. (knaw.nl)
  • 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)
  • Altitude sickness may have SpO2 of less than 86% and increased diastolic blood pressure may occur. (citizendium.org)
  • Amnesia - lack of memory about events occurring during a particular period of time. (casperdetoledo.com)
  • Few sedimentary archives of lake meromixis are available in palaeolimnological records, because long-term observations are limited in time and indisputable sediment proxies of hypolimnetic anoxia are still scarce. (knaw.nl)
  • 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)
  • The Centers for Disease Control and Prevention (CDC) estimates that about 1.7 million people sustain a TBI every year, and a new TBI occurs every 15 seconds. (mrr-law.com)
  • Public awareness of and controversy about vaccine safety has increased, primarily because increases in vaccine coverage resulted in an increased number of adverse events that occurred after vaccination. (cdc.gov)
  • The périnatal anoxia (PA) is a major health issue in Mali because of its frequency and severity. (scirp.org)
  • This exercise relates paleontology to recent ecology and allows students to see that evolutionary patterns occur at immense spatio-temporal scales and that our society will have influences that could linger for millions of years. (confex.com)
  • A disorder (now called chronic lung disease of infancy) that occurs when there have been serious breathing problems after birth, and the lungs and bronchial tubes have sustained some damage and scarring. (pampers.com)
  • You'd be liable for any damage that did occur - short tern or long term. (allnurses.com)
  • Topics that I have found to stimulate students the most include the development and paleoecology of the Ediacaran Fauna and its role in the Cambrian Explosion and the faunal and environmental changes that occurred during the Great Dying at the end Permian. (confex.com)
  • Euxinia or euxinic conditions occur when water is both anoxic and sulfidic. (wikipedia.org)
  • The disappearance of hypolimnetic anoxia in Lake Son Kol coincides with strengthened wind conditions that imply enhanced lake overturning and upward mixing of nutrients in the water column. (knaw.nl)
  • Certifying physician-To the best of my knowledge, death occurred due to the cause(s) and manner stated. (cdc.gov)
  • This occurs when water cannot percolate very fast due to "tight" soils or a clogged infiltrative surface. (venhuizen-ww.com)
  • When water is loaded at rates higher than can be lost by ET from the bed area -- typically the case under system sizing allowed by the Wisconsin code -- the trench will fill up and seepage to the surface will occur. (venhuizen-ww.com)