Emergency Triage: Telephone Triage and Advice
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About this ebook
Emergency Triage: Telephone Triage and Advice complements the highly successful Emergency Triage. The algorithms are rooted in the Manchester Triage System (MTS), which is used in hospitals around the world and which is acknowledged as an effective means of clinical prioritisation.
This telephone iteration of a triage system which prioritises millions of patients each year provides a robust, safe, evidence-based system for managing the clinical risk in patients who are at a distance from health care providers. The basic principles that drive the MTS remain, but this book addresses the specific difficulties of assessment by telephone. The possible triage outcomes are "face-to-face now", "face-to-face soon" and "face-to-face later" together with a self-care option. Information and advice is suggested at every level. The advice ranges from life-saving interventions, which can be carried out until health care arrives, to self-care instructions.
Emergency Triage: Telephone Triage and Advice provides all the necessary information that telephone triage staff must have to hand as well as including examples of questions to be asked. It will be a valuable resource for staff working in emergency departments, health centres and telephone triage organisations. Furthermore hospitals that are already using Emergency Triage will benefit from being linked with a telephone triage system that follows the same protocols.
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Emergency Triage - Advanced Life Support Group (ALSG)
Preface
It is now 20 years since a group of senior emergency physicians and emergency nurses first met to consider solutions to the muddle that was triage in Manchester, UK. We had no expectation that the solution to our local problems would be robust enough (and timely enough) to become the triage solution for the whole United Kingdom. Never in our wildest dreams did we imagine that the Manchester Triage System (MTS) would be generic enough to be adopted around the world. Much to our surprise, however, both of these fantastic ideas came about, and the MTS continues to be used in many languages to triage tens of millions of Emergency Department attenders each year.
Clinical decisions made by telephone have always been an area of concern for clinicians because not only is the patient not present and it may be difficult to obtain correct information but many of the tools and indicators that we use for decision making are simply not available. It is therefore an inherently more risky process than face-to-face triage.
Quite early on in the implementation of MTS in Manchester, departments began to use a simplified version as a structure for telephone conversations. This was superseded by national algorithm-based telephone helplines and its use in the Emergency Department diminished.
Our colleagues in the Greater Manchester Ambulance Service (GMAS) felt that there was a gap in their resources for undertaking telephone decision making. We have discussed ways of developing tools based on the MTS, with its significant evidence base and good safety record which would embed safety and quality into their telephone decision systems.
A huge amount of work has been done by the now North West Ambulance Service (NWAS) along with MTS to test and audit a robust Telephone Triage tool. It has also been piloted in diverse settings, with ambulance services in the Azores and New Zealand, as well as other services in the United Kingdom using it for the whole or part of their day to day work. It has been tested and refined and has a superb audit trail and safety record associated with it.
The basic principles that drive the MTS (recognition of the presentation and reductive discriminator identification) are unchanging – but changes have been made to reflect the difficulties of assessment by telephone. The outcomes of decisions are condensed into ‘face-to-face now’, ‘face-to-face soon’ and ‘face-to-face later’ with a self-care outcome. Information and advice is suggested alongside every outcome. The advice ranges from life-saving interventions which can be carried out until health care arrives, to self-care advice.
We recognise the diversity of health care settings and the need for appropriate information and advice; therefore, the information and advice sections of the Telephone Triage tool can be customised by the user to reflect different health economies while retaining the core which is MTS.
Clinical prioritisation (whether called triage or anything else) remains a central plank of clinical risk management in all emergency care settings. This telephone iteration of a triage system which prioritises millions of patients each year provides a robust, safe, evidence-based system for managing the risk inherent in patients who are at a distance from health care providers.
Janet Marsden, Mark Newton, Jill Windle, Kevin Mackway-Jones
January 2015
CHAPTER 1
Introduction
Triage is a system of clinical risk management employed in Emergency Departments worldwide to manage patient flow safely when clinical need exceeds capacity. Systems are intended to ensure care is defined according to patient need and in a timely manner. Early Emergency Department triage was intuitive rather than methodological and was therefore neither reproducible between practitioners nor auditable.
The Manchester Triage Group was set up in November 1994 with the aim of establishing consensus amongst senior emergency physicians and emergency nurses about triage standards. It soon became apparent that the Group’s aims could be set out under five headings.
Development of common nomenclature
Development of common definitions
Development of robust triage methodology
Development of training package
Development of audit guide for triage
Nomenclature and definitions
A review of the triage nomenclature and definitions that were in use at the time revealed considerable differences. A representative sample of these is summarised in Table 1.1.
Table 1.1
Despite this enormous variation, it was also apparent that there were a number of common themes running through the different triage systems; these are highlighted in Table 1.2.
Table 1.2
Once the common themes of triage had been highlighted, it became possible to quickly agree on a new common nomenclature and definition system. Each of the new categories was given a number, a colour and a name and was defined in terms of ideal maximum time to first contact with the treating clinician. At meetings between representatives of Emergency Nursing and Emergency Medicine nationally, this work informed the derivation of the United Kingdom triage scale as shown in Table 1.3.
Table 1.3
As practice has developed over the past 20 years, five-part triage scales have been established around the world. The target times themselves are locally set, being influenced by politics as much as medicine, particularly at lower priorities, but the concept of varying clinical priority remains current.
The development of Telephone Triage
After a period where all Emergency Departments in the Manchester area were using ‘Manchester Triage’ and using it on the telephone to triage callers to the ED (prior to NHS Direct), it became apparent that although all Emergency Department staff were using the same language of triage, the interface with paramedic colleagues still faced a language barrier. Key collaborators within the ambulance service recognised that applications of the Manchester Triage method would be extremely useful within the ambulance service and a further group of clinicians across acute care settings and the ambulance service was set up to explore this. Telephone Triage emerged as one of the products of this collaboration and had been used successfully for both secondary triage (since 2006) and latterly primary triage (2012) of those patients accessing care by telephoning ambulance services in a number of ambulance services across the United Kingdom and internationally.
Triage methodology
In general terms, a triage method can try and provide the practitioner with the diagnosis, disposal or clinical priority. ‘Manchester Triage’ is designed to allocate a clinical priority. This decision was based on three major tenets. First, the aim of the triage encounter is to aid clinical management of the individual patient, and this is best achieved by accurate allocation of a clinical priority. Second, the length of the triage encounter is such that any attempts to accurately diagnose a patient are doomed to fail. Third, it is apparent that diagnosis is not accurately linked to clinical priority. The latter reflects a number of aspects of the particular patient’s presentation as well as the diagnosis; for example patients with a final diagnosis of ankle sprain may present with severe or no pain and their clinical priority must reflect this. In Telephone Triage, the allocation of this clinical priority is inherently linked to a place of definitive clinical care, and in the highest priority, a mode of emergency transport to this care.
In outline, the triage method put forward in this book requires practitioners to select from a range of presentations and then to seek a limited number of signs and symptoms at each level of clinical priority. The signs and symptoms that discriminate between the clinical priorities are termed discriminators and they are set out in the form of flow charts for each presentation – the presentational flow charts. Discriminators that indicate higher levels of priority are sought first, and to a large degree, patients who are allocated to the standard clinical priority are selected by default. In this way, it reflects the effective face to face triage methodology taught by the Manchester Triage Group. The clinical priority is inherently linked to a disposal: where does the patient obtain the definitive care which they require and what is the timescale within which this must be obtained for optimum outcomes. The possible outcomes of Telephone Triage are simplified from the five categories system as there are fewer options available to the Telephone Triage practitioner.
The decisions which must be made are as follows:
Does the patient need immediate and urgent care? (FtF Now)
Do they need to be seen face to face by a clinician soon, but not immediately? (FtF Soon)
Can medical or other care be delayed? (FtF Later)
Can an ‘advice only’ route be followed, where the problem can be managed by giving self-care advice?
Face to face triage practitioners will note differences between the discriminators seen within face to face triage and those in the Telephone Triage method. For some discriminators used in face to face triage, it is impossible to ascertain without actually having the patient in front of the triage practitioner, whether the discriminator is fulfilled or not. Those discriminators are therefore not used in Telephone Triage. Slight changes are made to other discriminators in order for them to be more appropriate in a Telephone Triage setting.
Advice
Advice is presented on the charts at each level and is to highlight issues which can be discussed by the practitioner with the patient or caller. It