ABC ( Medicine ) - wikipedia ABC ( Medicine ) Opening the airway with a head tilt - chin lift maneuver Looking, listening and feeling for breathing Perform chest compressions to support circulation in those who are non-responsive without meaningful breaths ABC and its variations are initialism mnemonics for essential steps used by both medical professionals and lay persons ( such as first aiders ) when dealing with a patient. In its original form it stands for Airway, Breathing, and Circulation. The protocol was originally developed as a memory aid for rescuers performing cardiopulmonary resuscitation, and the most widely known use of the initialism is in the care of the unconscious or unresponsive patient, although it is also used as a reminder of the priorities for assessment and treatment of patients in many acute medical and trauma situations, from first - aid to hospital medical treatment. Airway, breathing, and circulation are all vital for life, and each is required, in that order, for the next to be effective. Since its development, the mnemonic has been extended and modified to fit the different areas in which it is used, with different versions changing the meaning of letters ( such as from the original ' Circulation ' to ' Compressions ' ) or adding other letters ( such as an optional `` D '' step for Disability or Defibrillation ). In 2010, the American Heart Association and International Liaison Committee on Resuscitation changed the recommended order of CPR interventions for most cases of cardiac arrest to chest compressions, airway, breathing or CAB. Contents 1 History 2 Importance 3 Simple application for CPR 4 Airway 4.1 Unconscious patients 4.2 Conscious patients 5 Breathing 5.1 Unconscious patients 5.2 Conscious or breathing patients 6 Circulation 6.1 Non-breathing patients 6.2 Breathing patients 7 Variations 7.1 DR ABC 7.2 DRsABC 7.3 ABCD 7.4 ABCDE 7.5 ABCDEF 7.6 ABCDEFG 7.7 AcBC 7.8 CABC 7.9 MARCH 8 See also 9 References 10 External links History The ' ABC ' method of remembering the correct protocol for CPR is almost as old as the procedure itself, and is an important part of the history of cardiopulmonary resuscitation. Throughout history, a variety of differing methods of resuscitation had been attempted and documented, although most yielded very poor outcomes. In 1957, Peter Safar wrote the book ABC of Resuscitation, which established the basis for mass training of CPR. This new concept was distributed in a 1962 training video called `` The Pulse of Life '' created by James Jude, Guy Knickerbocker and Peter Safar. Jude and Knickerbocker, along with William Kouwenhouen developed the method of external chest compressions, while Safar worked with James Elam to prove the effectiveness of artificial respiration. Their combined findings were presented at annual Maryland Medical Society meeting on September 16, 1960, in Ocean City, and gained rapid and widespread acceptance over the following decade, helped by the video and speaking tour the men undertook. The ABC system for CPR training was later adopted by the American Heart Association, which promulgated standards for CPR in 1973. As of 2010, the American Heart Association chose to focus CPR on reducing interruptions to compressions, and has changed the order in its guidelines to Circulation, Airway, Breathing ( CAB ). Importance At all levels of care, the ABC protocol exists to remind the person delivering treatment of the importance of airway, breathing, and circulation to the maintenance of a patient 's life. These three issues are paramount in any treatment, in that the loss ( or loss of control of ) any one of these items will rapidly lead to the patient 's death. The three objectives are so important to successful patient care that they form the foundation of training for not only first aid providers but also participants in many advanced medical training programs. Hypoxia, the result of insufficient oxygen in the blood, is a potentially deadly condition and one of the leading causes of cardiac arrest. Cardiac arrest is the ultimate cause of clinical death for all animals ( although with advanced intervention, such as cardiopulmonary bypass a cardiac arrest may not necessarily lead to death ), and it is linked to an absence of circulation in the body, for any one of a number of reasons. For this reason, maintaining circulation is vital to moving oxygen to the tissues and carbon dioxide out of the body. Airway, breathing, and circulation, therefore work in a cascade ; if the patient 's airway is blocked, breathing will not be possible, and oxygen can not reach the lungs and be transported around the body in the blood, which will result in hypoxia and cardiac arrest. Ensuring a clear airway is therefore the first step in treating any patient ; once it is established that a patient 's airway is clear, rescuers must evaluate a patient 's breathing, as many other things besides a blockage of the airway could lead to an absence of breathing. Simple application for CPR The basic application of the ABC principle is in first aid, and is used in cases of unconscious patients to start treatment and assess the need for, and then potentially deliver, cardiopulmonary resuscitation. In this simple usage, the rescuer is required to open the airway ( using a technique such as `` head tilt - chin lift '' ), then check for normal breathing. These two steps should provide the initial assessment of whether the patient will require CPR or not. In the event that the patient is not breathing normally, the current international guidelines ( set by the International Liaison Committee on Resuscitation or ILCOR ) indicate that chest compressions should be started. Previously, the guidelines indicated that a pulse check should be performed after the breathing was assessed, and this made up the ' circulation ' part of the initialism, but this pulse check is no longer recommended for lay rescuers. Some trainers continue to use ' circulation ' as the label for the third step in the process, since performing chest compressions is effectively artificial circulation, and when assessing patients who are breathing, assessing ' circulation ' is still important. However, some trainers now use the C to mean ' Compressions ' in their basic first aid training. Airway Main article : airway management Unconscious patients In the unconscious patient, the priority is airway management, to avoid a preventable cause of hypoxia. Common problems with the airway of patient with a seriously reduced level of consciousness involve blockage of the pharynx by the tongue, a foreign body, or vomit. At a basic level, opening of the airway is achieved through manual movement of the head using various techniques, with the most widely taught and used being the `` head tilt -- chin lift '', although other methods such as the `` modified jaw thrust '' can be used, especially where spinal injury is suspected, although in some countries, its use is not recommended for lay rescuers for safety reasons. Higher level practitioners such as emergency medical service personnel may use more advanced techniques, from oropharyngeal airways to intubation, as deemed necessary. Conscious patients In the conscious patient, other signs of airway obstruction that may be considered by the rescuer include paradoxical chest movements, use of accessory muscles for breathing, tracheal deviation, noisy air entry or exit, and cyanosis. Breathing Unconscious patients In the unconscious patient, after the airway is opened the next area to assess is the patient 's breathing, primarily to find if the patient is making normal respiratory efforts. Normal breathing rates are between 12 and 20 breaths per minute, and if a patient is breathing below the minimum rate, then in current ILCOR basic life support protocols, CPR should be considered, although professional rescuers may have their own protocols to follow, such as artificial respiration. Rescuers are often warned against mistaking agonal breathing, which is a series of noisy gasps occurring in around 40 % of cardiac arrest victims, for normal breathing. If a patient is breathing, then the rescuer will continue with the treatment indicated for an unconscious but breathing patient, which may include interventions such as the recovery position and summoning an ambulance. Conscious or breathing patients In a conscious patient, or where a pulse and breathing are clearly present, the care provider will initially be looking to diagnose immediately life - threatening conditions such as severe asthma, pulmonary oedema or haemothorax. Depending on skill level of the rescuer, this may involve steps such as : Checking for general respiratory distress, such as use of accessory muscles to breathe, abdominal breathing, position of the patient, sweating, or cyanosis Checking the respiratory rate, depth and rhythm - Normal breathing is between 12 and 20 in a healthy patient, with a regular pattern and depth. If any of these deviate from normal, this may indicate an underlying problem ( such as with Cheyne - Stokes respiration ) Chest deformity and movement - The chest should rise and fall equally on both sides, and should be free of deformity. Clinicians may be able to get a working diagnosis from abnormal movement or shape of the chest in cases such as pneumothorax or haemothorax Listening to external breath sounds a short distance from the patient can reveal dysfunction such as a rattling noise ( indicative of secretions in the airway ) or stridor ( which indicates airway obstruction ) Checking for surgical emphysema which is air in the subcutaneous layer which is suggestive of a pneumothorax Auscultation and percussion of the chest by using a stethoscope to listen for normal chest sounds or any abnormalities Pulse oximetry may be useful in assessing the amount of oxygen present in the blood, and by inference the effectiveness of the breathing Circulation Once oxygen can be delivered to the lungs by a clear airway and efficient breathing, there needs to be a circulation to deliver it to the rest of the body. Non-breathing patients Circulation is the original meaning of the `` C '' as laid down by Jude, Knickerbocker & Safar, and was intended to suggest assessing the presence or absence of circulation, usually by taking a carotid pulse, before taking any further treatment steps. In modern protocols for lay persons, this step is omitted as it has been proven that lay rescuers may have difficulty in accurately determining the presence or absence of a pulse, and that, in any case, there is less risk of harm by performing chest compressions on a beating heart than failing to perform them when the heart is not beating. For this reason, lay rescuers proceed directly to cardiopulmonary resuscitation, starting with chest compressions, which is effectively artificial circulation. In order to simplify the teaching of this to some groups, especially at a basic first aid level, the C for Circulation is changed for meaning CPR or Compressions. It should be remembered, however, that health care professionals will often still include a pulse check in their ABC check, and may involve additional steps such as an immediate ECG when cardiac arrest is suspected, in order to assess heart rhythm. Breathing patients In patients who are breathing, there is the opportunity to undertake further diagnosis and, depending on the skill level of the attending rescuer, a number of assessment options are available, including : Observation of colour and temperature of hands and fingers where cold, blue, pink, pale, or mottled extremities can be indicative of poor circulation Capillary refill is an assessment of the effective working of the capillaries, and involves applying cutaneous pressure to an area of skin to force blood from the area, and counting the time until return of blood. This can be performed peripherally, usually on a fingernail bed, or centrally, usually on the sternum or forehead Pulse checks, both centrally and peripherally, assessing rate ( normally 60 - 80 beats per minute in a resting adult ), regularity, strength, and equality between different pulses Blood pressure measurements can be taken to assess for signs of shock Auscultation of the heart can be undertaken by medical professionals Observation for secondary signs of circulatory failure such as oedema or frothing from the mouth ( indicative of congestive heart failure ) ECG monitoring will allow the healthcare professional to help diagnose underlying heart conditions, including myocardial infarctions Variations Nearly all first aid organisations use `` ABC '' in some form, but some incorporate it as part of a larger initialism, ranging from the simple ' ABCD ' ( designed for training lay responders in defibrillation ) to ' AcBCDEEEFG ' ( the UK ambulance service version for patient assessment ). DR ABC One of the most widely used adaptations is the addition of `` DR '' in front of `` ABC '', which stands for Danger and Response. This refers to the guiding principle in first aid to protect yourself before attempting to help others, and then ascertaining that the patient is unresponsive before attempting to treat them, using systems such as AVPU or the Glasgow Coma Score. As the original initialism was devised for in - hospital use, this was not part of the original protocol. In some areas, the related SR ABC is used, with the S to mean Safety. DRsABC A modification to DRABC is that when there is no response from the patient, the rescuer is told to send ( or shout ) for help ' ABCD There are several protocols taught which add a D to the end of the simpler ABC ( or DR ABC ). This may stand for different things, depending on what the trainer is trying to teach, and at what level. It can stand for : Defibrillation -- The definitive treatment step for cardiac arrest Disability, deformity, or Dysfunction -- Disabilities or deformities caused by the injury, not pre-existing conditions Deadly Bleeding ( Differential ) Diagnosis Decompression Abcde Additionally, some protocols call for an ' E ' step to patient assessment. All protocols that use ' E ' steps diverge from looking after basic life support at that point, and begin looking for underlying causes. In some protocols, there can be up to 3 E 's used. E can stand for : Expose and Examine -- Predominantly for ambulance - level practitioners, where it is important to remove clothing and other obstructions in order to assess wounds. Environment -- only after assessing ABCD does the responder deal with environmentally related symptoms or conditions, such as cold and lightning. Escaping Air -- Checking for air escaping, such as through a sucking chest wound, which could lead to a collapsed lung. Elimination Evaluate -- Is the patient `` time - critical '' and / or does the rescuer need further assistance. Abcdef An ' F ' in the protocol can stand for : Fundus -- relating to pregnancy, it is a reminder for crews to check if a female is pregnant, and if she is, how far progressed she is ( the position of the fundus in relation to the bellybutton gives a ready reckoning guide ). Family ( in France ) -- indicates that rescuers must also deal with the witnesses and the family, who may be able to give precious information about the accident or the health of the patient, or may present a problem for the rescuer. Fluids -- A check for obvious fluids ( blood, cerebro - spinal fluid ( CSF ) etc. ) Fluid resuscitation Final Steps -- Consulting the nearest definitive care facility ABCDEFG A ' G ' in the protocol can stand for Go Quickly ! -- A reminder to ensure all assessments and on - scene treatments are completed with speed, in order to get the patient to hospital within the Golden Hour Glucose -- The professional rescuer may choose to perform a blood glucose test, and this can form the ' G ' or alternately, the ' DEFG ' can stand for `` Do n't Ever Forget Glucose '' Acbc Some trainers and protocols use an additional ( small ) ' c ' in between the A and B, standing for ' cervical spine ' or ' consider C - spine '. This is a reminder to be aware of potential neck injuries to a patient, as opening the airway may cause further damage unless a special technique is used. CABC The military frequently use a CABC approach, where the first C stands for `` catastrophic haemorrhage ''. Violent trauma cases indicate that major blood loss will kill a casualty before an airway obstruction, so measures to prevent hypovolemic shock should occur first. This is often accomplished by immediately applying a tourniquet to the affected limb. March An expansion on CABC that accounts for the significantly increased risk of hypothermia by a patient due to hypovolemia and the body 's subsequent cold weather - like reaction. Massive Haemorrhage Airway Respiratory Circulation Head injury / Hypothermia See also Cardiopulmonary resuscitation Artificial respiration Recovery position First aid References ^ Jump up to : Wright, Pearce ( 2003 - 08 - 13 ). `` Obituary : Peter Safar ''. London : The Guardian. Retrieved 2014 - 12 - 06. ^ Jump up to : `` A systematic approach to the acutely ill patient ''. Resuscitation Council ( UK ). June 2005. Archived from the original on 18 July 2005. Retrieved 2008 - 12 - 20. Jump up ^ Field JM, Hazinski MF, Sayre MR, et al. 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Jump up ^ The military 's use of advanced medical techniques in emergency care on the battlefield External links Wikibooks has a book on the topic of : First Aid First aid Techniques Abdominal thrusts Airway management Cardiopulmonary resuscitation Emergency bleeding control Equipment Automated external defibrillator Bag valve mask Bandage Dressing First aid kit Nasopharyngeal airway Oropharyngeal airway Mnemonics ABC DCAP - BTLS DOTS OPQRST RICE SAMPLE SOAP Certifications Certified first responder Emergency medical technician Wilderness Emergency Medical Technician Topics Bleeding Golden hour Good Samaritan law Wilderness medicine Emergency medicine Emergency medicine Emergency department Emergency medical services Emergency nursing Emergency psychiatry Golden hour Medical emergency International emergency medicine Pediatric emergency medicine Pre-hospital emergency medicine Major trauma Trauma center Triage Equipment Bag valve mask ( BVM ) Chest tube Defibrillation ( AED ICD ) Electrocardiogram ( ECG / EKG ) Intraosseous infusion ( IO ) Intravenous therapy ( IV ) Tracheal intubation Laryngeal tube Combitube Nasopharyngeal airway ( NPA ) Oropharyngeal airway ( OPA ) Pocket mask Drugs Atropine Amiodarone Epinephrine / Adrenaline Magnesium sulfate Sodium bicarbonate Naloxone Organisations International Federation for Emergency Medicine American College of Emergency Physicians Australasian College for Emergency Medicine Canadian Association of Emergency Physicians Royal College of Emergency Medicine European Society of Emergency Medicine Asian Society for Emergency Medicine Courses / Life support Acute Care of at - Risk Newborns ( ACoRN ) Advanced cardiac life support ( ACLS ) Advanced trauma life support ( ATLS ) Basic life support ( BLS ) Cardiopulmonary resuscitation ( CPR ) Care of the Critically Ill Surgical Patient ( CCrISP ) First aid Neonatal Resuscitation Program ( NRP ) Pediatric Advanced Life Support ( PALS ) Scoring systems NACA score Injury Severity Score Book : Emergency medicine Category : Emergency medicine Emergency medical services around the world Emergency medical services by country Austria Australia Brazil Canada Finland France Germany Hong Kong Iceland Ireland Israel Italy Netherlands New Zealand Norway Poland Portugal Spain South Africa Sri Lanka Ukraine United Kingdom United States Paramedics by country Australia Canada Germany Ireland United Kingdom United States Medical mnemonics ( list ) ABC AEIOU - TIPS APGAR ASHICE CASMEET DCAP - BTLS FAST Hs and Ts IS PATH WARM ? OPQRST RICE RNCHAMPS RPM - 30 - 2 - Can Do SAD PERSONS SAMPLE SBAR SOAP SOCRATES Retrieved from `` https://en.wikipedia.org/w/index.php?title=ABC_(medicine)&oldid=801133455 '' Categories : Medical mnemonics Emergency medical services First aid Hidden categories : All articles with dead external links Articles with dead external links from December 2016 Articles with permanently dead external links All articles with unsourced statements Articles with unsourced statements from November 2011 Talk Contents About Wikipedia Français Italiano עברית Nederlands Polski Slovenčina Svenska Edit links This page was last edited on 17 September 2017, at 21 : 29. Text is available under the Creative Commons Attribution - ShareAlike License ; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia ® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. About Wikipedia

Question: how your establish priority by using the abc method
Answer: Airway, Breathing, and Circulation