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WIKIBOOKS
DISPONIBILI
?????????

ART
- Great Painters
BUSINESS&LAW
- Accounting
- Fundamentals of Law
- Marketing
- Shorthand
CARS
- Concept Cars
GAMES&SPORT
- Videogames
- The World of Sports

COMPUTER TECHNOLOGY
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- Free Software
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- My Computer

- PHP Language and Applications
- Wikipedia
- Windows Vista

EDUCATION
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LITERATURE
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LINGUISTICS
- American English

- English Dictionaries
- The English Language

MEDICINE
- Medical Emergencies
- The Theory of Memory
MUSIC&DANCE
- The Beatles
- Dances
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SCIENCE
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- Nanotechnology
LIFESTYLE
- Cosmetics
- Diets
- Vegetarianism and Veganism
TRADITIONS
- Christmas Traditions
NATURE
- Animals

- Fruits And Vegetables



ARTICLES IN THE BOOK

  1. Acute abdomen
  2. Acute coronary syndrome
  3. Acute pancreatitis
  4. Acute renal failure
  5. Agonal respiration
  6. Air embolism
  7. Ambulance
  8. Amnesic shellfish poisoning
  9. Anaphylaxis
  10. Angioedema
  11. Aortic dissection
  12. Appendicitis
  13. Artificial respiration
  14. Asphyxia
  15. Asystole
  16. Autonomic dysreflexia
  17. Bacterial meningitis
  18. Barotrauma
  19. Blast injury
  20. Bleeding
  21. Bowel obstruction
  22. Burn
  23. Carbon monoxide poisoning
  24. Cardiac arrest
  25. Cardiac arrhythmia
  26. Cardiac tamponade
  27. Cardiogenic shock
  28. Cardiopulmonary arrest
  29. Cardiopulmonary resuscitation
  30. Catamenial pneumothorax
  31. Cerebral hemorrhage
  32. Chemical burn
  33. Choking
  34. Chronic pancreatitis
  35. Cincinnati Stroke Scale
  36. Clinical depression
  37. Cord prolapse
  38. Decompression sickness
  39. Dental emergency
  40. Diabetic coma
  41. Diabetic ketoacidosis
  42. Distributive shock
  43. Drowning
  44. Drug overdose
  45. Eclampsia
  46. Ectopic pregnancy
  47. Electric shock
  48. Emergency medical services
  49. Emergency medical technician
  50. Emergency medicine
  51. Emergency room
  52. Emergency telephone number
  53. Epiglottitis
  54. Epilepsia partialis continua
  55. Frostbite
  56. Gastrointestinal perforation
  57. Gynecologic hemorrhage
  58. Heat syncope
  59. HELLP syndrome
  60. Hereditary pancreatitis
  61. Hospital
  62. Hydrocephalus
  63. Hypercapnia
  64. Hyperemesis gravidarum
  65. Hyperkalemia
  66. Hypertensive emergency
  67. Hyperthermia
  68. Hypoglycemia
  69. Hypothermia
  70. Hypovolemia
  71. Internal bleeding
  72. Ketoacidosis
  73. Lactic acidosis
  74. Lethal dose
  75. List of medical emergencies
  76. Malaria
  77. Malignant hypertension
  78. Medical emergency
  79. Meningitis
  80. Neuroglycopenia
  81. Neuroleptic malignant syndrome
  82. Nonketotic hyperosmolar coma
  83. Obstetrical hemorrhage
  84. Outdoor Emergency Care
  85. Overwhelming post-splenectomy infection
  86. Paralytic shellfish poisoning
  87. Paramedic
  88. Paraphimosis
  89. Peritonitis
  90. Physical trauma
  91. Placenta accreta
  92. Pneumothorax
  93. Positional asphyxia
  94. Pre-eclampsia
  95. Priapism
  96. Psychotic depression
  97. Respiratory arrest
  98. Respiratory failure
  99. Retinal detachment
  100. Revised Trauma Score
  101. Sepsis
  102. Septic arthritis
  103. Septic shock
  104. Sexual assault
  105. Shock
  106. Simple triage and rapid treatment
  107. Soy allergy
  108. Spinal cord compression
  109. Status epilepticus
  110. Stroke
  111. Temporal arteritis
  112. Testicular torsion
  113. Toxic epidermal necrolysis
  114. Toxidrome
  115. Triage
  116. Triage tag
  117. Upper gastrointestinal bleeding
  118. Uterine rupture
  119. Ventricular fibrillation
  120. Walking wounded
  121. Watershed stroke
  122. Wilderness first aid
  123. Wound

 

 
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    ENGLISHGRATIS.COM è un sito personale di
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    Roberto Casiraghi           
    INFORMATIVA SULLA PRIVACY              Crystal Jones


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THE BOOK OF MEDICAL EMERGENCIES
This article is from:
http://en.wikipedia.org/wiki/Triage

All text is available under the terms of the GNU Free Documentation License: http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License 

Triage

From Wikipedia, the free encyclopedia

 
Typical triage tag used for emergency mass casualty decontamination.
Typical triage tag used for emergency mass casualty decontamination.

Triage is a system used by medical or emergency personnel to ration limited medical resources when the number of injured needing care exceeds the resources available to perform care so as to treat those patients in most need of treatment who are able to benefit first.

History

The word triage is a French word meaning "sorting", which itself is derived from the Latin tria, meaning "three"[1]. The term has historically meant sorting into three categories, although this is no longer necessarily the case.

Much of the credit for modern day triage has been attributed to Dominique Jean Larrey, a famous French surgeon in Napoleon's army who devised a method to quickly evaluate and categorize the wounded in battle and then evacuate those requiring the most urgent medical attention. He instituted these practices while battle was in progress and triaged patients with no regard to rank. Others have cited the Russian surgeon, Nikolai Pirogov, as developing the triage system during the Crimean War.

Types of triage

Simple triage is used at the scene of a mass casualty incident to select patients who require immediate transport to the hospital to save their lives as opposed to patients who can wait for help later. First responders performing field triage on the battlefield or at a disaster site need to assess the patients' need for transport prior to transportation becoming available.

In most field situations, the walking wounded are numerous. For each particular injury, a lightly-injured person can be deputized to perform a particular first-aid action for a particular severely-injured person. For example, the first responder might say "You. Put your hand on this wound, and press so hard that the blood stops. Like this. (demonstrates) Thanks."

The START system (Simple Triage and Rapid Treatment) presented below is one system used by prehospital responders and trained volunteers at the scene of a mass casualty incident.

In advanced triage, doctors may decide that some severely injured people should not receive care because they are unlikely to survive. This does not mean that the patient will not receive any care; it only means that more advanced care will be used on less severely wounded patients. The available care is then directed to those with some hope of survival. This clearly has ethical implications as treatment is intentionally withheld from some people. The logic is that diverting scarce resources away from people with a small chance of survival increases the survival chance of others who are inherently more likely to survive. In the UK and the rest of Europe, the criterion used for this category of patient is a trauma score of consistently at or below 3. This can be determined by using the triage revised trauma score (TRTS), a medically validated scoring system incorporated in some triage cards, as used for example in the London bombings on July 7th 2005.

The necessity of triage

Some injuries require immediate medical care. Trauma patients in particular require a surgeon within one hour of injury, the so-called golden hour of emergency medicine. A surgeon can only treat one person at a time; and some procedures require multiple surgeons. A typical hospital has only a few surgeons available and would be overwhelmed if presented with several casualties all requiring immediate surgical care. Therefore, patients needing urgent surgical care need to be sent to a number of area hospitals including regional trauma centers to "even out the load," especially because some victims will "self-transport" to nearby facilities which are most likely to be overwhelmed, as well as possibly damaged in the disaster.

This is where START saves lives — at the scene, people requiring surgical care are sent by helicopter or ambulance to faraway hospitals which have been warned to expect victims requiring immediate surgery and are ready to shoulder the load. This is preferable to rushing them to the "nearest" hospital which is overloaded and unable to help.

Advanced triage may become necessary when medical professionals determine that the medical resources available are insufficient to treat all the people who need help. This has happened in disasters such as earthquakes, tsunami and civil defense situations and would happen in the event of nuclear warfare. Consider that the detonation of a nuclear weapon may inflict tens of thousands of immediate casualties, some percentage of which will die regardless of medical care due to burns and/or radiation exposure but will live for a few hours or days. Others will live given immediate medical care, but will die without it.

In this extreme case, any medical care given to people doomed to die is care taken away from people who might live if they had been given it. It becomes the unpleasant task of the disaster medical authorities to set aside some victims (especially burn victims) because it would take a staff of several professionals to save their one life at the expense of several others.

START (Simple Triage and Rapid Treatment)

Main article: Simple triage and rapid treatment

START is an expedient triage system that can be performed by lightly-trained lay and emergency personnel in emergencies. It is not intended to supersede or instruct medical personnel or techniques. It may serve as an instructive example, and has been (2003) taught to California emergency workers for use in earthquakes. It was developed at Hoag Hospital in Newport Beach, California for use by emergency services in Orange County, California. It has been field-proven in mass casualty incidents such as train wrecks and bus accidents, though it was developed for use by CERTs and firemen after earthquakes.

Triage separates the injured into four groups: The DECEASED who are beyond help, the injured who can be helped by IMMEDIATE transportation, the injured whose transport can be DELAYED, and those with MINOR injuries—the walking wounded who need help less urgently. Other regions may use different designations. Use the designations of your area! In the UK and Europe, triage is similar to the USA, but the categories used are "DEAD", those who are pronounced as such by a medically qualified person or paramedics who is legally qualified to pronounce death, the "IMMEDIATE" category, who have a trauma score of 3 to 10 (RTS) and need immediate attention, the "URGENT" category, who have a trauma score of 10 or 11 and can wait for a short time before transport to definitive medical attention and "DELAYED" patients, who have a trauma score of 12 (maximum score) and can be delayed before transport from the scene.

Simple triage and evacuation

Simple triage identifies which persons need advanced medical care. In the field, triage also sets priorities for evacuation to hospitals. In START, persons should be evacuated as follows:

  • DECEASED are left where they fell, covered if necessary; note that in START a person is not triaged "DECEASED" unless they are not breathing and an effort to reposition their airway has been unsuccessful.
  • IMMEDIATE priority evacuation by MEDEVAC if available or ambulance as they need advanced medical care at once or within 1 hour.
  • DELAYED can have their medical evacuation delayed until all IMMEDIATE persons have been transported.
  • MINOR are not evacuated until all IMMEDIATE and DELAYED persons have been evacuated. These will not need advanced medical care for at least several hours. Continue to re-triage in case their condition worsens.

Advanced triage

In advanced triage systems, secondary triage is typically implemented by paramedics, battlefield medical personnel or by skilled nurses in the emergency departments of hospitals during disasters, injured people are sorted into five categories.

If immediate treatment is successful, the patient may improve (although this may be temporary) and this improvement may allow the patient to be categorised to a lower priority in the short term. Triage should be a continuous process and categories should be checked regularly to ensure that the priority remains correct. A trauma score is invariably taken when the victim first comes into hospital and subsequent trauma scores taken to see any changes in the victim's physiological parameters. If a record is provided back in time, the receiving hospital doctor can see a historical trauma score going back in time to the incident. This should allow more definitive treatment to be carried out earlier than might otherwise be the case.

Black / Expectant
They are so severely injured that they will die of their injuries, possibly in hours or days (large-body burns, severe trauma, lethal radiation dose), or in life-threatening medical crisis that they are unlikely to survive given the care available (cardiac arrest, septic shock); they should be taken to a holding area and given painkillers to ease their passing.
Red / Immediate
They require immediate surgery or other life-saving intervention, first priority for surgical teams or transport to advanced facilities, "cannot wait" but are likely to survive with immediate treatment.
Yellow / Observation
Their condition is stable for the moment but requires watching by trained persons and frequent re-triage, will need hospital care (and would receive immediate priority care under "normal" circumstances).
Green / Wait (walking wounded)
They will require a doctor's care in several hours or days but not immediately, may wait for a number of hours or be told to go home and come back the next day (broken bones without compound fractures, many soft tissue injuries).
White / Dismiss (walking wounded)
They have minor injuries; first aid and home care are sufficient, a doctor's care is not required.

Note that this scale is much more complex than with simple triage. Medical professionals should refer to professional texts and training references when implementing advanced triage; this listing is only for a layperson's understanding.

Some crippling injuries, even if not life-threatening, may be elevated in priority based on the available capabilities. During peacetime, most amputations may be triaged "Red" because surgical reattachment must take place within minutes—even though strictly speaking, the person will not die without a thumb or hand.

Triage in France

In France, the triage in case of a disaster uses a four-level scale:

  • DCD: décédé (deceased), or urgence dépassée (beyond urgency)
  • UA: urgence absolue (absolute urgency)
  • UR: urgence relative (relative urgency)
  • UMP: urgence médico-psychologique (medical-psychological urgency) or impliqué (implied, i.e. lightly wounded or just psychologically shocked).

This triage is performed by a physician called médecin trieur (sorting medic). This triage is usually performed at the field hospital (PMA–poste médical avancé, i.e. forward medical post). The absolute urgencies are usually treated onsite (the PMA has an operating room) or evacuated to a hospital. The relative urgencies are just placed under watch, waiting for an evacuation. The involved are addressed to another structure called the CUMP–Cellule d'urgence médico-psychologique (medical-psychological urgency cell); this is a resting zone, with food and possibly temporary lodging, and a psychologist to take care of the brief reactive psychosis and avoid post-traumatic stress disorder.

In the emergency room of a hospital, the triage is performed by a physician called MAO–médecin d'accueil et d'orientation (reception and orientation physician), and a nurse called IOA– infirmière d'organisation et d'accueil (organisation and reception nurse). Some hospitals and SAMU organisations now use the "Cruciform" card referred to elsewhere.

Triage in the UK

In the UK, another commonly used triage system is the Smart Incident Command System , taught on MIMMS (Major Incident Medical Management (and) Support). The UK Armed Forces are also using this system on operations worldwide. This grades casualties from Priority 1 (most urgent) to Priority 4 (expectant, i.e. likely to die). Another system is the Cruciform and Manchester triage.

Paramedic Triage, Canada

In the mid-1980's, The Victoria General Hospital, in Halifax, Nova Scotia, Canada, introduced paramedic triage in its Emergency Department. Unlike all other centres in North America that employ physician and primarily nurse triage models, this hospital began the practice of employing Primary Care level paramedics to perform triage upon entry to the Emergency Department. In 1997, following the amalgamation of two of the city's largest hospitals, the Emergency Department at the Victoria General closed. The paramedic triage system was moved to the city's only remaining adult emergency department, located at the New Halifax Infirmary.

Reverse triage

In addition to the standard practices of triage as mentioned above, there are conditions where sometimes the less wounded are treated in preference to the more severely wounded. This may arise in a situation such as war where the military setting may require soldiers be returned to combat as quickly as possible, a practice associated with the Russian military. Other possible scenarios where this could arise include situations where significant numbers of medical personnel are among the affected patients where it may be advantageous to ensure that they survive to continue providing care in the coming days especially if medical resources are already stretched.

Alternative Care Facilities

Alternative Care Facilities (ACFs) are places that are setup for the care of large numbers of patients, or are places that could be so set up. Examples include schools, sports stadiums, and large camps that can be prepared and used for the care, feeding, and holding of large numbers of victims of a mass casualty event.

Footnotes

  1. ^ http://www.etymonline.com/index.php?l=t&p=19

See also

  • Battlefield medicine
  • Combat stress reaction
  • Emergency medical services
  • Emergency medicine
  • First aid
  • Mass decontamination
  • Wilderness first aid
Retrieved from "http://en.wikipedia.org/wiki/Triage"