UNCONTROLLED WHEN PRINTED

The purpose of these COVID-19 Interim Guidelines is to provide short-term advice to manage the risks associated with COVID-19 in the community and to protect patients and St John WA staff from potential exposure whilst maintaining the highest possible standards of clinical care to the community of Western Australia.

FRONT LINE STAFF SAFETY IS OUR PRIMARY CONCERN.

All Clinical Practice Guidelines not addressed in this document remain unchanged and still apply in full. Staff should ensure that they stay up to date with the latest information regarding COVID-19 on Connect.

This update is provided in the setting of very low penetration of COVID disease in Western Australia and zero or close to zero community transmission.

Introduction:

Bacterial / Viral filters are to be used as part of the airway and ventilation circuit. They are designed to filter bacterial and viral pathogens before expired air is vented to atmosphere. Use bacterial filters in conjunction with Clinical Skills 206 (Bag Valve Mask), 306 (Supraglottic Airway Device), and 307 (Endotracheal Intubation). The bacterial filter must be applied prior to the first ventilation. Do NOT use in children under 20kg.

Instruction:

If there is a basic airway approach where the mask is utilised, the filter must be applied between the bag and mask. An effective seal around the nose/mouth must be maintained at all times to limit air leakage. A second person can ventilate the patient if needed.

bacterial-filter-1

 

If there is an advanced adjunct in place (i-gel®/LMA/ETT), then the filter MUST be applied directly to that adjunct before any other equipment. The end-tidal is shown here between the bag-valve and the catheter mount (Cobb’s adapter). It may be placed between the filter and the catheter mount if preferred.

bacterial-filter-circuit

Disposal:

Take care when disassembling and disposing of the filter and the associated airway circuit. It must be disposed in Clinical Waste bin.


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