AccidentsNursing Homes: Facilities which provide nursing supervision and limited medical care to persons who do not require hospitalization.Accidents, Traffic: Accidents on streets, roads, and highways involving drivers, passengers, pedestrians, or vehicles. Traffic accidents refer to AUTOMOBILES (passenger cars, buses, and trucks), BICYCLING, and MOTORCYCLES but not OFF-ROAD MOTOR VEHICLES; RAILROADS nor snowmobiles.Accidents, Occupational: Unforeseen occurrences, especially injuries in the course of work-related activities.Home Care Services: Community health and NURSING SERVICES providing coordinated multiple services to the patient at the patient's homes. These home-care services are provided by a visiting nurse, home health agencies, HOSPITALS, or organized community groups using professional staff for care delivery. It differs from HOME NURSING which is provided by non-professionals.Homes for the Aged: Geriatric long-term care facilities which provide supervision and assistance in activities of daily living with medical and nursing services when required.Accidents, HomeAccident Prevention: Efforts and designs to reduce the incidence of unexpected undesirable events in various environments and situations.Chernobyl Nuclear Accident: April 25th -26th, 1986 nuclear power accident that occurred at Chernobyl in the former USSR (Ukraine) located 80 miles north of Kiev.Accident Proneness: Tendency toward involvement in accidents. Implies certain personality characteristics which predispose to accidents.Fukushima Nuclear Accident: Nuclear power accident that occurred following the Tohoku-Kanto earthquake of March 11, 2011 in the northern region of Japan.Radioactive Hazard Release: Uncontrolled release of radioactive material from its containment. This either threatens to, or does, cause exposure to a radioactive hazard. Such an incident may occur accidentally or deliberately.Accidents, AviationEmergency Service, Hospital: Hospital department responsible for the administration and provision of immediate medical or surgical care to the emergency patient.Insurance, Accident: Insurance providing coverage for physical injury suffered as a result of unavoidable circumstances.Wounds and Injuries: Damage inflicted on the body as the direct or indirect result of an external force, with or without disruption of structural continuity.UkraineHome Care Agencies: Public or private organizations that provide, either directly or through arrangements with other organizations, home health services in the patient's home. (Hospital Administration Terminology, 2d ed)Automobile Driving: The effect of environmental or physiological factors on the driver and driving ability. Included are driving fatigue, and the effect of drugs, disease, and physical disabilities on driving.Home Care Services, Hospital-Based: Hospital-sponsored provision of health services, such as nursing, therapy, and health-related homemaker or social services, in the patient's home. (Hospital Administration Terminology, 2d ed)Hemodialysis, Home: Long-term maintenance hemodialysis in the home.Cesium Radioisotopes: Unstable isotopes of cesium that decay or disintegrate emitting radiation. Cs atoms with atomic weights of 123, 125-132, and 134-145 are radioactive cesium isotopes.Home Childbirth: Childbirth taking place in the home.Motorcycles: Two-wheeled, engine-driven vehicles.Radioactive Pollutants: Radioactive substances which act as pollutants. They include chemicals whose radiation is released via radioactive waste, nuclear accidents, fallout from nuclear explosions, and the like.Radiation Monitoring: The observation, either continuously or at intervals, of the levels of radiation in a given area, generally for the purpose of assuring that they have not exceeded prescribed amounts or, in case of radiation already present in the area, assuring that the levels have returned to those meeting acceptable safety standards.EnglandCraniocerebral Trauma: Traumatic injuries involving the cranium and intracranial structures (i.e., BRAIN; CRANIAL NERVES; MENINGES; and other structures). Injuries may be classified by whether or not the skull is penetrated (i.e., penetrating vs. nonpenetrating) or whether there is an associated hemorrhage.Housing: Living facilities for humans.Nuclear Power Plants: Facilities that convert NUCLEAR ENERGY into electrical energy.Radioactive Fallout: The material that descends to the earth or water well beyond the site of a surface or subsurface nuclear explosion. (McGraw-Hill Dictionary of Chemical and Technical Terms, 4th ed)Emergencies: Situations or conditions requiring immediate intervention to avoid serious adverse results.Nuclear Reactors: Devices containing fissionable material in sufficient quantity and so arranged as to be capable of maintaining a controlled, self-sustaining NUCLEAR FISSION chain reaction. They are also known as atomic piles, atomic reactors, fission reactors, and nuclear piles, although such names are deprecated. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Power Plants: Units that convert some other form of energy into electrical energy.Accidental Falls: Falls due to slipping or tripping which may result in injury.Emergency Medicine: The branch of medicine concerned with the evaluation and initial treatment of urgent and emergent medical problems, such as those caused by accidents, trauma, sudden illness, poisoning, or disasters. Emergency medical care can be provided at the hospital or at sites outside the medical facility.Home Health Aides: Persons who assist ill, elderly, or disabled persons in the home, carrying out personal care and housekeeping tasks. (From Slee & Slee, Health Care Terms. 2d ed, p202)Wounds, Nonpenetrating: Injuries caused by impact with a blunt object where there is no penetration of the skin.Protective Devices: Devices designed to provide personal protection against injury to individuals exposed to hazards in industry, sports, aviation, or daily activities.Naval Medicine: The practice of medicine concerned with conditions affecting the health of individuals associated with the marine environment.Nuclear Fission: Nuclear reaction in which the nucleus of a heavy atom such as uranium or plutonium is split into two approximately equal parts by a neutron, charged particle, or photon.House Calls: Visits to the patient's home by professional personnel for the purpose of diagnosis and/or treatment.Great BritainMotor Vehicles: AUTOMOBILES, trucks, buses, or similar engine-driven conveyances. (From Random House Unabridged Dictionary, 2d ed)Drowning: Death that occurs as a result of anoxia or heart arrest, associated with immersion in liquid.Ships: Large vessels propelled by power or sail used for transportation on rivers, seas, oceans, or other navigable waters. Boats are smaller vessels propelled by oars, paddles, sail, or power; they may or may not have a deck.Nuclear Physics: The study of the characteristics, behavior, and internal structures of the atomic nucleus and its interactions with other nuclei. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Food Contamination, RadioactiveMultiple Trauma: Multiple physical insults or injuries occurring simultaneously.Whiplash Injuries: Hyperextension injury to the neck, often the result of being struck from behind by a fast-moving vehicle, in an automobile accident. (From Segen, The Dictionary of Modern Medicine, 1992)LondonRisk Factors: An aspect of personal behavior or lifestyle, environmental exposure, or inborn or inherited characteristic, which, on the basis of epidemiologic evidence, is known to be associated with a health-related condition considered important to prevent.Group Homes: Housing for groups of patients, children, or others who need or desire emotional or physical support. They are usually established as planned, single housekeeping units in residential dwellings that provide care and supervision for small groups of residents, who, although unrelated, live together as a family.Thoracic Injuries: General or unspecified injuries to the chest area.Retrospective Studies: Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons.Fast Neutrons: Neutrons, the energy of which exceeds some arbitrary level, usually around one million electron volts.Home Infusion Therapy: Use of any infusion therapy on an ambulatory, outpatient, or other non-institutionalized basis.Trauma Severity Indices: Systems for assessing, classifying, and coding injuries. These systems are used in medical records, surveillance systems, and state and national registries to aid in the collection and reporting of trauma.Parenteral Nutrition, Home: The at-home administering of nutrients for assimilation and utilization by a patient who cannot maintain adequate nutrition by enteral feeding alone. Nutrients are administered via a route other than the alimentary canal (e.g., intravenously, subcutaneously).Injury Severity Score: An anatomic severity scale based on the Abbreviated Injury Scale (AIS) and developed specifically to score multiple traumatic injuries. It has been used as a predictor of mortality.Poisoning: A condition or physical state produced by the ingestion, injection, inhalation of or exposure to a deleterious agent.Safety: Freedom from exposure to danger and protection from the occurrence or risk of injury or loss. It suggests optimal precautions in the workplace, on the street, in the home, etc., and includes personal safety as well as the safety of property.Prospective Studies: Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group.Medical Staff, Hospital: Professional medical personnel approved to provide care to patients in a hospital.Emergency Medical Services: Services specifically designed, staffed, and equipped for the emergency care of patients.Automobiles: A usually four-wheeled automotive vehicle designed for passenger transportation and commonly propelled by an internal-combustion engine using a volatile fuel. (Webster, 1973)Skull Fractures: Fractures of the skull which may result from penetrating or nonpenetrating head injuries or rarely BONE DISEASES (see also FRACTURES, SPONTANEOUS). Skull fractures may be classified by location (e.g., SKULL FRACTURE, BASILAR), radiographic appearance (e.g., linear), or based upon cranial integrity (e.g., SKULL FRACTURE, DEPRESSED).Facial Injuries: General or unspecified injuries to the soft tissue or bony portions of the face.Triage: The sorting out and classification of patients or casualties to determine priority of need and proper place of treatment.Time Factors: Elements of limited time intervals, contributing to particular results or situations.Cause of Death: Factors which produce cessation of all vital bodily functions. They can be analyzed from an epidemiologic viewpoint.Eye Injuries: Damage or trauma inflicted to the eye by external means. The concept includes both surface injuries and intraocular injuries.Long-Term Care: Care over an extended period, usually for a chronic condition or disability, requiring periodic, intermittent, or continuous care.Age Factors: Age as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or the effect of a circumstance. It is used with human or animal concepts but should be differentiated from AGING, a physiological process, and TIME FACTORS which refers only to the passage of time.United StatesAthletic Injuries: Injuries incurred during participation in competitive or non-competitive sports.Head Protective Devices: Personal devices for protection of heads from impact, penetration from falling and flying objects, and from limited electric shock and burn.ScotlandMaxillofacial Injuries: General or unspecified injuries involving the face and jaw (either upper, lower, or both).Northern IrelandPatient Admission: The process of accepting patients. The concept includes patients accepted for medical and nursing care in a hospital or other health care institution.Abdominal Injuries: General or unspecified injuries involving organs in the abdominal cavity.Seat Belts: Restraining belts fastened to the frame of automobiles, aircraft, or other vehicles, and strapped around the person occupying the seat in the car or plane, intended to prevent the person from being thrown forward or out of the vehicle in case of sudden deceleration.Infant, Newborn: An infant during the first month after birth.Bicycling: The use of a bicycle for transportation or recreation. It does not include the use of a bicycle in studying the body's response to physical exertion (BICYCLE ERGOMETRY TEST see EXERCISE TEST).Air Pollutants, Radioactive: Pollutants, present in air, which exhibit radioactivity.Referral and Consultation: The practice of sending a patient to another program or practitioner for services or advice which the referring source is not prepared to provide.Occupational Health: The promotion and maintenance of physical and mental health in the work environment.ExplosionsSpinal Injuries: Injuries involving the vertebral column.Insurance: Coverage by contract whereby one part indemnifies or guarantees another against loss by a specified contingency.Railroads: Permanent roads having a line of rails fixed to ties and laid to gage, usually on a leveled or graded ballasted roadbed and providing a track for freight cars, passenger cars, and other rolling stock. Cars are designed to be drawn by locomotives or sometimes propelled by self-contained motors. (From Webster's 3d) The concept includes the organizational and administrative aspects of railroads as well.Environmental Exposure: The exposure to potentially harmful chemical, physical, or biological agents in the environment or to environmental factors that may include ionizing radiation, pathogenic organisms, or toxic chemicals.Fractures, Bone: Breaks in bones.Incidence: The number of new cases of a given disease during a given period in a specified population. It also is used for the rate at which new events occur in a defined population. It is differentiated from PREVALENCE, which refers to all cases, new or old, in the population at a given time.Air Pollution, Indoor: The contamination of indoor air.Cross-Sectional Studies: Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with LONGITUDINAL STUDIES which are followed over a period of time.Hand Injuries: General or unspecified injuries to the hand.Age Distribution: The frequency of different ages or age groups in a given population. The distribution may refer to either how many or what proportion of the group. The population is usually patients with a specific disease but the concept is not restricted to humans and is not restricted to medicine.Occupational Injuries: Injuries sustained from incidents in the course of work-related activities.Medical Audit: A detailed review and evaluation of selected clinical records by qualified professional personnel for evaluating quality of medical care.Ambulances: A vehicle equipped for transporting patients in need of emergency care.Emergency Treatment: First aid or other immediate intervention for accidents or medical conditions requiring immediate care and treatment before definitive medical and surgical management can be procured.Patient Discharge: The administrative process of discharging the patient, alive or dead, from hospitals or other health facilities.Violence: Individual or group aggressive behavior which is socially non-acceptable, turbulent, and often destructive. It is precipitated by frustrations, hostility, prejudices, etc.Electric Injuries: Injuries caused by electric currents. The concept excludes electric burns (BURNS, ELECTRIC), but includes accidental electrocution and electric shock.Occupational Diseases: Diseases caused by factors involved in one's employment.Mortality: All deaths reported in a given population.Sex Factors: Maleness or femaleness as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or effect of a circumstance. It is used with human or animal concepts but should be differentiated from SEX CHARACTERISTICS, anatomical or physiological manifestations of sex, and from SEX DISTRIBUTION, the number of males and females in given circumstances.Sex Distribution: The number of males and females in a given population. The distribution may refer to how many men or women or what proportion of either in the group. The population is usually patients with a specific disease but the concept is not restricted to humans and is not restricted to medicine.WalesNurses' Aides: Allied health personnel who assist the professional nurse in routine duties.Socioeconomic Factors: Social and economic factors that characterize the individual or group within the social structure.Back Injuries: General or unspecified injuries to the posterior part of the trunk. It includes injuries to the muscles of the back.JapanNeoplasms, Radiation-Induced: Tumors, cancer or other neoplasms produced by exposure to ionizing or non-ionizing radiation.Follow-Up Studies: Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease.Health Services for the Aged: Services for the diagnosis and treatment of diseases in the aged and the maintenance of health in the elderly.Workload: The total amount of work to be performed by an individual, a department, or other group of workers in a period of time.BrazilActivities of Daily Living: The performance of the basic activities of self care, such as dressing, ambulation, or eating.Home Health Nursing: A nursing specialty in which skilled nursing care is provided to patients in their homes by registered or licensed practical NURSES. Home health nursing differs from HOME NURSING in that home health nurses are licensed professionals, while home nursing involves non-professional caregivers.Legislation as Topic: The enactment of laws and ordinances and their regulation by official organs of a nation, state, or other legislative organization. It refers also to health-related laws and regulations in general or for which there is no specific heading.FiresSoft Tissue Injuries: Injuries of tissue other than bone. The concept is usually general and does not customarily refer to internal organs or viscera. It is meaningful with reference to regions or organs where soft tissue (muscle, fat, skin) should be differentiated from bones or bone tissue, as "soft tissue injuries of the hand".Occupational Exposure: The exposure to potentially harmful chemical, physical, or biological agents that occurs as a result of one's occupation.Urban Population: The inhabitants of a city or town, including metropolitan areas and suburban areas.Foster Home Care: Families who care for neglected children or patients unable to care for themselves.Treatment Outcome: Evaluation undertaken to assess the results or consequences of management and procedures used in combating disease in order to determine the efficacy, effectiveness, safety, and practicability of these interventions in individual cases or series.Leg Injuries: General or unspecified injuries involving the leg.Homicide: The killing of one person by another.Aviation: Design, development, manufacture, and operation of heavier-than-air AIRCRAFT.Data Collection: Systematic gathering of data for a particular purpose from various sources, including questionnaires, interviews, observation, existing records, and electronic devices. The process is usually preliminary to statistical analysis of the data.Cohort Studies: Studies in which subsets of a defined population are identified. These groups may or may not be exposed to factors hypothesized to influence the probability of the occurrence of a particular disease or other outcome. Cohorts are defined populations which, as a whole, are followed in an attempt to determine distinguishing subgroup characteristics.Community Health Nursing: General and comprehensive nursing practice directed to individuals, families, or groups as it relates to and contributes to the health of a population or community. This is not an official program of a Public Health Department.Safety Management: The development of systems to prevent accidents, injuries, and other adverse occurrences in an institutional setting. The concept includes prevention or reduction of adverse events or incidents involving employees, patients, or facilities. Examples include plans to reduce injuries from falls or plans for fire safety to promote a safe institutional environment.Suicide: The act of killing oneself.Neck Injuries: General or unspecified injuries to the neck. It includes injuries to the skin, muscles, and other soft tissues of the neck.Emergency Nursing: The specialty or practice of nursing in the care of patients admitted to the emergency department.Burns: Injuries to tissues caused by contact with heat, steam, chemicals (BURNS, CHEMICAL), electricity (BURNS, ELECTRIC), or the like.Needlestick Injuries: Penetrating stab wounds caused by needles. They are of special concern to health care workers since such injuries put them at risk for developing infectious disease.Transportation of Patients: Conveying ill or injured individuals from one place to another.Risk Assessment: The qualitative or quantitative estimation of the likelihood of adverse effects that may result from exposure to specified health hazards or from the absence of beneficial influences. (Last, Dictionary of Epidemiology, 1988)Oil and Gas Fields: Areas of the earth where hydrocarbon deposits of PETROLEUM and/or NATURAL GAS are located.Residential Facilities: Long-term care facilities which provide supervision and assistance in activities of daily living with medical and nursing services when required.Radiation Dosage: The amount of radiation energy that is deposited in a unit mass of material, such as tissues of plants or animal. In RADIOTHERAPY, radiation dosage is expressed in gray units (Gy). In RADIOLOGIC HEALTH, the dosage is expressed by the product of absorbed dose (Gy) and quality factor (a function of linear energy transfer), and is called radiation dose equivalent in sievert units (Sv).Wounds, Gunshot: Disruption of structural continuity of the body as a result of the discharge of firearms.Diagnostic Errors: Incorrect diagnoses after clinical examination or technical diagnostic procedures.Caregivers: Persons who provide care to those who need supervision or assistance in illness or disability. They may provide the care in the home, in a hospital, or in an institution. Although caregivers include trained medical, nursing, and other health personnel, the concept also refers to parents, spouses, or other family members, friends, members of the clergy, teachers, social workers, fellow patients.Alcoholic Intoxication: An acute brain syndrome which results from the excessive ingestion of ETHANOL or ALCOHOLIC BEVERAGES.Patient-Centered Care: Design of patient care wherein institutional resources and personnel are organized around patients rather than around specialized departments. (From Hospitals 1993 Feb 5;67(3):14)Questionnaires: Predetermined sets of questions used to collect data - clinical data, social status, occupational group, etc. The term is often applied to a self-completed survey instrument.Family Practice: A medical specialty concerned with the provision of continuing, comprehensive primary health care for the entire family.Arm Injuries: General or unspecified injuries involving the arm.Radiation Injuries: Harmful effects of non-experimental exposure to ionizing or non-ionizing radiation in VERTEBRATES.Licensure: The legal authority or formal permission from authorities to carry on certain activities which by law or regulation require such permission. It may be applied to licensure of institutions as well as individuals.Prevalence: The total number of cases of a given disease in a specified population at a designated time. It is differentiated from INCIDENCE, which refers to the number of new cases in the population at a given time.Abbreviated Injury Scale: Classification system for assessing impact injury severity developed and published by the American Association for Automotive Medicine. It is the system of choice for coding single injuries and is the foundation for methods assessing multiple injuries or for assessing cumulative effects of more than one injury. These include Maximum AIS (MAIS), Injury Severity Score (ISS), and Probability of Death Score (PODS).Baths: The immersion or washing of the body or any of its parts in water or other medium for cleansing or medical treatment. It includes bathing for personal hygiene as well as for medical purposes with the addition of therapeutic agents, such as alkalines, antiseptics, oil, etc.Superstitions: A belief or practice which lacks adequate basis for proof; an embodiment of fear of the unknown, magic, and ignorance.Residence Characteristics: Elements of residence that characterize a population. They are applicable in determining need for and utilization of health services.Patient Care Team: Care of patients by a multidisciplinary team usually organized under the leadership of a physician; each member of the team has specific responsibilities and the whole team contributes to the care of the patient.Patient Acceptance of Health Care: The seeking and acceptance by patients of health service.Transportation: The means of moving persons, animals, goods, or materials from one place to another.Heart Injuries: General or unspecified injuries to the heart.Ipecac: A syrup made from the dried rhizomes of two different species, CEPHAELIS ipecacuanha and C. acuminata. They contain EMETINE, cephaeline, psychotrine and other ISOQUINOLINES. Ipecac syrup is used widely as an emetic acting both locally on the gastric mucosa and centrally on the chemoreceptor trigger zone.Quality of Health Care: The levels of excellence which characterize the health service or health care provided based on accepted standards of quality.Foreign Bodies: Inanimate objects that become enclosed in the body.Length of Stay: The period of confinement of a patient to a hospital or other health facility.Snake Bites: Bites by snakes. Bite by a venomous snake is characterized by stinging pain at the wound puncture. The venom injected at the site of the bite is capable of producing a deleterious effect on the blood or on the nervous system. (Webster's 3d ed; from Dorland, 27th ed, at snake, venomous)Geriatric Assessment: Evaluation of the level of physical, physiological, or mental functioning in the older population group.Costs and Cost Analysis: Absolute, comparative, or differential costs pertaining to services, institutions, resources, etc., or the analysis and study of these costs.Radiography: Examination of any part of the body for diagnostic purposes by means of X-RAYS or GAMMA RAYS, recording the image on a sensitized surface (such as photographic film).TurkeyHousing for the Elderly: Housing arrangements for the elderly or aged, intended to foster independent living. The housing may take the form of group homes or small apartments. It is available to the economically self-supporting but the concept includes housing for the elderly with some physical limitations. The concept should be differentiated from HOMES FOR THE AGED which is restricted to long-term geriatric facilities providing supervised medical and nursing services.First Aid: Emergency care or treatment given to a person who suddenly becomes ill or injured before full medical services become available.Health Services Misuse: Excessive, under or unnecessary utilization of health services by patients or physicians.Causality: The relating of causes to the effects they produce. Causes are termed necessary when they must always precede an effect and sufficient when they initiate or produce an effect. Any of several factors may be associated with the potential disease causation or outcome, including predisposing factors, enabling factors, precipitating factors, reinforcing factors, and risk factors.Rural Population: The inhabitants of rural areas or of small towns classified as rural.Hospitals, General: Large hospitals with a resident medical staff which provides continuous care to maternity, surgical and medical patients.Homing Behavior: Instinctual patterns of activity related to a specific area including ability of certain animals to return to a given place when displaced from it, often over great distances using navigational clues such as those used in migration (ANIMAL MIGRATION).Nursing Assessment: Evaluation of the nature and extent of nursing problems presented by a patient for the purpose of patient care planning.Near Drowning: Non-fatal immersion or submersion in water. The subject is resuscitable.Tsunamis: Series of ocean waves produced by geologic events or underwater LANDSLIDES. These waves can travel at speeds averaging 450 (and up to 600) miles per hour in the open ocean.Hazardous Substances: Elements, compounds, mixtures, or solutions that are considered severely harmful to human health and the environment. They include substances that are toxic, corrosive, flammable, or explosive.Work Schedule Tolerance: Physiological or psychological effects of periods of work which may be fixed or flexible such as flexitime, work shifts, and rotating shifts.Traumatology: The medical specialty which deals with WOUNDS and INJURIES as well as resulting disability and disorders from physical traumas.Construction Industry: The aggregate business enterprise of building.Patient Transfer: Interfacility or intrahospital transfer of patients. Intrahospital transfer is usually to obtain a specific kind of care and interfacility transfer is usually for economic reasons as well as for the type of care provided.Wounds, Penetrating: Wounds caused by objects penetrating the skin.Risk Management: The process of minimizing risk to an organization by developing systems to identify and analyze potential hazards to prevent accidents, injuries, and other adverse occurrences, and by attempting to handle events and incidents which do occur in such a manner that their effect and cost are minimized. Effective risk management has its greatest benefits in application to insurance in order to avert or minimize financial liability. (From Slee & Slee: Health care terms, 2d ed)Trauma Centers: Specialized hospital facilities which provide diagnostic and therapeutic services for trauma patients.Stress Disorders, Post-Traumatic: A class of traumatic stress disorders with symptoms that last more than one month. There are various forms of post-traumatic stress disorder, depending on the time of onset and the duration of these stress symptoms. In the acute form, the duration of the symptoms is between 1 to 3 months. In the chronic form, symptoms last more than 3 months. With delayed onset, symptoms develop more than 6 months after the traumatic event.Gas PoisoningSkiing: A snow sport which uses skis to glide over the snow. It does not include water-skiing.Patient Satisfaction: The degree to which the individual regards the health care service or product or the manner in which it is delivered by the provider as useful, effective, or beneficial.Geriatric Nursing: Nursing care of the aged patient given in the home, the hospital, or special institutions such as nursing homes, psychiatric institutions, etc.Night Care: Institutional night care of patients.Air Pollution, RadioactiveAbnormalities, Radiation-Induced: Congenital changes in the morphology of organs produced by exposure to ionizing or non-ionizing radiation.Health Care Surveys: Statistical measures of utilization and other aspects of the provision of health care services including hospitalization and ambulatory care.