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Ottawa Ankle Rule
In medicine, the Ottawa ankle rules are a set of guidelines for clinicians to help decide if a patient with foot or ankle pain should be offered X-rays to diagnose a possible bone fracture. Before the introduction of the rules most patients with ankle injuries would have been imaged. However the vast majority of patients with unclear ankle injuries do not have bone fractures. As a result, many unnecessary X-rays were taken, which was costly, time-consuming and a slight health risk due to radiation exposure. The Ottawa ankle rules Ankle X-ray Ankle X-ray is only required if: * There is any pain in the malleolar zone; and, * Any one of the following: ** Bone tenderness along the distal 6 cm of the posterior edge of the tibia or tip of the medial malleolus, OR ** Bone tenderness along the distal 6 cm of the posterior edge of the fibula or tip of the lateral malleolus, OR ** An inability to bear weight both immediately and in the emergency department for four steps. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pregnant
Pregnancy is the time during which one or more offspring develops (gestation, gestates) inside a woman, woman's uterus (womb). A multiple birth, multiple pregnancy involves more than one offspring, such as with twins. Pregnancy usually occurs by sexual intercourse, but can also occur through assisted reproductive technology procedures. A pregnancy may end in a Live birth (human), live birth, a miscarriage, an Abortion#Induced, induced abortion, or a stillbirth. Childbirth typically occurs around 40 weeks from the start of the Menstruation#Onset and frequency, last menstrual period (LMP), a span known as the Gestational age (obstetrics), gestational age. This is just over nine months. Counting by Human fertilization#Fertilization age, fertilization age, the length is about 38 weeks. Pregnancy is "the presence of an implanted human embryo or fetus in the uterus"; Implantation (embryology), implantation occurs on average 8–9 days after fertilization. An ''embryo'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Evidence-based Medicine
Evidence-based medicine (EBM) is "the conscientious, explicit and judicious use of current best evidence in making decisions about the care of individual patients". The aim of EBM is to integrate the experience of the clinician, the values of the patient, and the best available scientific information to guide decision-making about clinical management. The term was originally used to describe an approach to teaching the practice of medicine and improving decisions by individual physicians about individual patients. Background, history and definition Medicine has a long history of scientific inquiry about the prevention, diagnosis, and treatment of human disease. The concept of a controlled clinical trial was first described in 1662 by Jan Baptist van Helmont in reference to the practice of bloodletting. Wrote Van Helmont: The first published report describing the conduct and results of a controlled clinical trial was by James Lind, a Scottish naval surgeon who conducted rese ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bandolier (journal)
''Bandolier'' was an independent healthcare journal about evidence-based healthcare, written by Oxford University scientists. It was started in 1994 and the National Health Service paid for its distribution to all doctors in the UK until 2002. Publication of the printed version ceased in 2007. New material was published online through 2010. Publication ceased in 2010. In October 2016 back issues of the journal (online version) became available at its own website. It is no longer hosted on Oxford University's site. The NHS Executive and National electronic Library for Health continue with some support for the electronic site. See also * Cochrane Collaboration Cochrane (previously known as the Cochrane Collaboration) is a British international charitable organisation formed to organise medical research findings to facilitate evidence-based choices about health interventions involving health profess ... References External links * Former website {{Pharmaceutical ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ottawa Knee Rules
The Ottawa knee rules are a set of rules used to help physicians determine whether an x-ray of the knee is needed. They state that an X-ray is required only in patients who have an acute knee injury with one or more of the following: * Age 55 years or older * Tenderness at head of fibula * Isolated tenderness of patella * Inability to flex the knee greater than 90° * Inability to bear weight both immediately and in the emergency department (4 steps) The Ottawa knee rules were derived to aid in the efficient use of radiography in acute knee injuries and have since been prospectively validated on multiple occasions in different populations and in both children and adults. Some studies found the sensitivity of the Ottawa knee rules is 98-100% for clinically significant knee fractures, meaning that 98-100% of all patients with a fracture will meet the criteria for X-ray. However, specificity for the Ottawa knee rules is typically poor, meaning that a significant proportion of those ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Glasgow Coma Scale
The Glasgow Coma Scale (GCS) is a clinical scale used to reliably measure a person's level of consciousness after a brain injury. The GCS assesses a person based on their ability to perform eye movements, speak, and move their body. These three behaviours make up the three elements of the scale: eye, verbal, and motor. A person's GCS score can range from 3 (completely unresponsive) to 15 (responsive). This score is used to guide immediate medical care after a brain injury (such as a car accident) and also to monitor hospitalised patients and track their level of consciousness. Lower GCS scores are correlated with higher risk of death. However, the GCS score alone should not be used on its own to predict the outcome for an individual person with brain injury. Scoring The Glasgow Coma Scale is used for people above the age of two and composed of three tests: eye, verbal, and motor responses. The scores for each of these tests are indicated in the table below. The Glasgow Com ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bristol Stool Scale
The Bristol stool scale is a diagnostic medical tool designed to classify the form of human faeces into seven categories. It is used in both clinical and experimental fields. It was developed at the Bristol Royal Infirmary as a clinical assessment tool in 1997, and is widely used as a research tool to evaluate the effectiveness of treatments for various diseases of the bowel, as well as a clinical communication aid;Bristol scale stool form. A still valid help in medical practice and clinical research G Riegler, I Esposito – ''Techniques in coloproctology'', 2001 – Springer including being part of the diagnostic triad for irritable bowel syndrome. Interpretation The seven types of stool are: * Type 1: Separate hard lumps, like nuts (difficult to pass) * Type 2: Sausage-shaped, but lumpy * Type 3: Like a sausage but with cracks on its surface * Type 4: Like a sausage or snake, smooth and soft (average stool) * Type 5: Soft blobs with clear cut edges * Type 6: Fluffy piec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Canada
Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by total area. Its southern and western border with the United States, stretching , is the world's longest binational land border. Canada's capital is Ottawa, and its three largest metropolitan areas are Toronto, Montreal, and Vancouver. Indigenous peoples have continuously inhabited what is now Canada for thousands of years. Beginning in the 16th century, British and French expeditions explored and later settled along the Atlantic coast. As a consequence of various armed conflicts, France ceded nearly all of its colonies in North America in 1763. In 1867, with the union of three British North American colonies through Confederation, Canada was formed as a federal dominion of four provinces. This began an accretion of provinces an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ottawa
Ottawa (, ; Canadian French: ) is the capital city of Canada. It is located at the confluence of the Ottawa River and the Rideau River in the southern portion of the province of Ontario. Ottawa borders Gatineau, Quebec, and forms the core of the Ottawa–Gatineau census metropolitan area (CMA) and the National Capital Region (NCR). Ottawa had a city population of 1,017,449 and a metropolitan population of 1,488,307, making it the fourth-largest city and fourth-largest metropolitan area in Canada. Ottawa is the political centre of Canada and headquarters to the federal government. The city houses numerous foreign embassies, key buildings, organizations, and institutions of Canada's government, including the Parliament of Canada, the Supreme Court, the residence of Canada's viceroy, and Office of the Prime Minister. Founded in 1826 as Bytown, and incorporated as Ottawa in 1855, its original boundaries were expanded through numerous annexations and were ultimately ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Type I And Type II Errors
In statistical hypothesis testing, a type I error is the mistaken rejection of an actually true null hypothesis (also known as a "false positive" finding or conclusion; example: "an innocent person is convicted"), while a type II error is the failure to reject a null hypothesis that is actually false (also known as a "false negative" finding or conclusion; example: "a guilty person is not convicted"). Much of statistical theory revolves around the minimization of one or both of these errors, though the complete elimination of either is a statistical impossibility if the outcome is not determined by a known, observable causal process. By selecting a low threshold (cut-off) value and modifying the alpha (α) level, the quality of the hypothesis test can be increased. The knowledge of type I errors and type II errors is widely used in medical science, biometrics and computer science. Intuitively, type I errors can be thought of as errors of ''commission'', i.e. the researcher unluck ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sensitivity And Specificity
''Sensitivity'' and ''specificity'' mathematically describe the accuracy of a test which reports the presence or absence of a condition. Individuals for which the condition is satisfied are considered "positive" and those for which it is not are considered "negative". *Sensitivity (true positive rate) refers to the probability of a positive test, conditioned on truly being positive. *Specificity (true negative rate) refers to the probability of a negative test, conditioned on truly being negative. If the true condition can not be known, a " gold standard test" is assumed to be correct. In a diagnostic test, sensitivity is a measure of how well a test can identify true positives and specificity is a measure of how well a test can identify true negatives. For all testing, both diagnostic and screening, there is usually a trade-off between sensitivity and specificity, such that higher sensitivities will mean lower specificities and vice versa. If the goal is to return the ratio at w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Substance Intoxication
Substance intoxication is a transient condition of altered consciousness and behavior associated with recent use of a substance. It is often maladaptive and impairing, but reversible. If the symptoms are severe, the term "substance intoxication delirium" may be used. Substance intoxication may often accompany a substance use disorder (SUD); if persistent substance-related problems exist, SUD is the preferred diagnosis. The term "intoxicated", used by laymen, most often refers to alcohol. Classification The ICD-10 ''Mental and Behavioural Disorders due to psychoactive substance use'' shows: *F10. alcohol *F11. opioids *F12. cannabinoids *F13. sedatives and hypnotics *F14. cocaine *F15. caffeine *F16. hallucinogens *F17. tobacco *F18. volatile solvent *F19. multiple drug use and use of other psychoactive substances Caffeine The discussion over whether the coffee (caffeine) “buzz” counted as intoxication or not was hotly debated during the early to mid 16th century. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
