Significance of Basic Life Support
Last Edited: July 2nd, 2012
Basic Life Support (BLS) is an ability to perform in situations where an individual needs aid due to life-threatening circumstances until that individual attended by professionals or by a team of paramedics especially at the hospital. Victims are those who are choking, suffering from cardiac arrest and are drowning. Performing BLS can make a difference between life and death situations for several people.

Basic life support, or BLS, forms a groundwork of applied skills in perceiving who, when and how to distinguish and treat an individual in need of emergency medical support. According to the American Heart Association, a victims' chance of survival is significantly higher when a spectator has basic life support abilities and can extract aid instantly. Basic life support does not include giving drugs or performing invasive procedures, as defined in the American Heart Association advanced life support procedures.

Chain of Survival

According to the American Heart Association the "Chain of Survival" defines as the significance of how time-sensitive the basic life support reaction series is. This approach is mostly useful if an individual is suffering ventricular fibrillation in the course of an unexpected cardiac arrest. 

The "Chain of Survival" consist of the following:

1) Early recognition and confirmation of the emergency; 
2) Notifying an emergency response team, such as 911; 
3) Beginning cardiopulmonary resuscitation; 
4) Early use of an Automated External Defibrillator, or AED; 
5) Early advanced life support provided by a licensed medical provider.


Skills required for BLS comprises of the capacity to recognize a need and act under pressure, while still continuing self-control to recall and apply the skills learned in a basic life support class. When managing aid, safety to the provider as well as the victim is vital, so using a barrier device when giving mouth-to-mouth resuscitation is essential. Just as significant is defense against bodily fluids such as blood when helping an accident victim. An inexpert rescuer must always think of to exercise caution when approaching and rendering assistance in unfamiliar environments.

Airway, Breathing and Circulation

Understanding the ABC’s of rendering help in an emergency circumstance can benefit the rescuer to comprehend what support might be necessary. In BLS, "A" stands for the airway; keeping the airway clear of any blocks that could hinder inhalation or limit the victim's capacity to pull air into their lungs. The "B" stands for breathing, and the victim's capacity to expand and deflate their lungs allowing the route of respiration or the conversation of oxygen and carbon dioxide. Circulation or "C" is given that an oxygenated blood stream to the body, brain and heart.

Basic Life Support

According to the American Heart Association, BLS skills contain of a series of steps connecting the calculation and succeeding actions educated in a BLS class. The first step in BLS is to check the victims' reaction level. If medical aid is necessary, leave the victim and call 911, returning with an AED, if probable. If the victim is unsympathetic, using the head tilt-chin lift maneuver, open his airway and check for breathing. If not breathing, give two breaths, if there is no reaction, check the pulse. If the victim has a pulse, give one breath every five to six seconds, rechecking the pulse every two minutes, if the victim does not have a pulse, give cycles of 30 compressions and two breaths until the patient responds or a licensed medical professional arrives.


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