Kelowna First Aid Courses CPR Course 2508786690 Penticton Vernon BC Red Cross

December 17, 2009

Kelowna First Aid Course – Jan 10/10 Kamloops First Aid Jan 09/10 Register Today 250.878.6690 www.okanaganfirstaid.com

Bag valve mask – Next First Aid Course

Kelowna Jan 10.2010 – Kamloops Jan 09.2010

From Wikipedia, the free encyclopedia

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A disposable BVM Resuscitator

bag valve mask (also known as a BVM or Ambu bag) is a hand-held device used to provide positive pressure ventilation to a patient who is not breathing or who is breathing inadequately. The device is a normal part of a resuscitation kit for trained professional, such as ambulance crew. The BVM is frequently used in hospitals, and is an essential part of a crash cart. The device is used extensively in the operating room to ventilate an anaesthetised patient in the minutes before a mechanical ventilator is attached. The device is self-filling with air, although additional oxygen (O2) can be added.

Use of the BVM to ventilate a patient is frequently called “bagging” the patient.[1] Bagging is regularly necessary in medical emergencies when the patient’s breathing is insufficient (respiratory failure) or has ceased completely (respiratory arrest). The BVM resuscitator is used in order to manually provide mechanical ventilation in preference to mouth-to-mouth resuscitation (either direct or through an adjunct such as a pocket mask).

The BVM directs the gas inside it via a one-way valve when compressed by a rescuer; the gas is then delivered through a mask and into the patient’s trachea, bronchus and into thelungs. In order to be effective, a bag valve mask must deliver between 500 and 800 milliliters of air to the patient’s lungs, but if oxygen is provided through the tubing and if the patient’s chest rises with each inhalation (indicating that adequate amounts of air are reaching the lungs), 400 to 600 ml may still be adequate.[1] Squeezing the bag once every 5 seconds for an adult or once every 3 seconds for an infant or child provides an adequate respiratory rate (12 respirations per minute in an adult and 20 per minute in a child or infant).[3]

Professional rescuers are taught to ensure that the mask portion of the BVM is properly sealed around the patient’s face (that is, to ensure proper “mask seal”); otherwise, air escapes from the mask and is not pushed into the lungs. In order to maintain this protocol, some protocols use a method of ventilation involving two rescuers: one rescuer to hold the mask to the patient’s face with both hands and ensure a mask seal, while the other squeezes the bag.[4] However, as most ambulances have only two members of crew, the other crew member is likely to be doing compressions in the case of CPR, or may be performing other skills such as cannulation. In this case, or if no other options are available, the BVM can also be operated by a single rescuer who holds the mask to the patient’s face with one hand, in the anaesthetists grip, and squeezes the bag with the other.

When using a BVM, as with other methods of positive pressure ventilation, there is a risk of over-inflating the lungs. This can lead to pressure damage to the lungs themselves, and can also cause air to enter the stomach, causing gastric distention which can make it more difficult to inflate the lungs and which can cause the patient to vomit. This can be avoided by care on behalf of the rescuer. Alternatively, some models of BVM (usually Paediatric) are fitted with a valve which prevents over inflation, by venting the pressure when a pre-set pressure is reached. Nevertheless, cricoid pressure should be applied whenever possible until the patient is intubated or until ventilations have ceased.

An endotracheal tube (ETT) can be inserted by a trained practitioner and can substitute for the mask portion of the BVM. This provides a more secure fit and is easier to manage during emergency transport, since the ET tube is sealed with an inflatable cuff in the trachea, so that any regurgitation cannot enter the lungs. Such material can severely damage the lung tissue, and in the absence of an ET tube, could choke the patient by obstructing the airway. Inhalation of stomach contents can be fatal; the after effects can cause Mendelson’s syndrome or aspiration pneumonia.

Some rescuers may also choose to use a different form of resuscitation adjunt, such as an oropharyngeal airway or Laryngeal mask airway, which would be inserted and then used with the BVM.

In a hospital, long-term mechanical ventilation is provided by using more complex devices such as an intensive care ventilator, rather than by a BVM, which requires at least one person to operate it constantly.

flow-restricted, oxygen-powered ventilation device (FROPVD) is similar to a BVM in that oxygen is pushed through a mask into the patient’s lungs, but unlike a BVM, in the FROPVD the pressure needed to push air into the patient’s lungs is generated by oxygen via a pressure regulator from a cylinder rather than by squeezing a bag.

November 26, 2009

Difference in First Aid Courses OFA 1 2 3 ?? Kelowna First Aid Course Available 250.878.6690 www.okanaganfirstaid.com

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Below are the differences between WCB OFA level 1 Level 2 and Level 3 Courses.

Register for a first aid course 250.878.6690

www.okanaganfirstaid.com

Occupational First Aid Level 1

A basic one day/8 hour course covering the essential ABC’s – airway, breathing and circulation. How to deal with obstructed airways, breathing distress and control bleeding. One person CPR, minor wound care and records / reports are also part of the course.


Occupational First Aid Level 2

A 36 hour first aid course primarily designed for the urban first aid attendant but is applicable whenever the WorkSafe BC Regulations require certification to the OFA 2 Level.

Covers the basics of airway, breathing and circulation which includes how to deal with obstructed airways, breathing distress, bleeding control, Shock and one person CPR. In addition, patient assessment, hard collar application, upper limb splinting and minor wound care are covered.

Course fees include textbooks and Exams.

Written and practical exams are required after the course is completed. A minimum mark of 70% is required, on both the written and practical exams, to successfully complete the course.


Occupational First Aid Level 3

A 70-hour first aid course designed with the rural or attendant in heavy industry in mind. A prerequisite for employment with the BC Ambulance Service, many ski patrols and some Fire / Police Departments.

Covers the basics of airway, breathing and circulation – includes how to deal with obstructed airways, breathing distress, bleeding control, Shock and one and two person CPR. In addition, continuing patient assessment, hard collar application, securing a patient to a spine board, upper and lower limb splinting and minor wound care are covered. Completion of records and reports are an integral part of the course.

Course fees include textbooks and Exams.

Written and practical exams are required after the course is completed. A minimum mark of 70% is required, on both the written and practical exams, to successfully complete the course. Course medical required.

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