Home › Forums › Other Specialities › General Topics › ANAPHYLACTIC REACTION- THE BASICS
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December 21, 2023 at 1:44 pm #1994
Anonymous
Inactive1.Document the acute clinical features of the suspected anaphylactic
reaction (rapidly developing, life-threatening problems involving the
airway [pharyngeal or laryngeal oedema] and/or breathing
[bronchospasm with tachypnoea] and/or circulation [hypotension
and/or tachycardia] and, in most cases, associated skin and
mucosal changes).2. Record the time of onset of the reaction.
3.Record the circumstances immediately before the onset of
symptoms to help to identify the possible trigger.4. After a suspected anaphylactic reaction in adults or young people
aged 16 years or older, take timed blood samples for mast cell
tryptase testing as follows:a sample as soon as possible after emergency treatment has
starteda second sample ideally within 1–2 hours (but no later than
4 hours) from the onset of symptoms.5. After a suspected anaphylactic reaction in children younger than
16 years, consider taking blood samples for mast cell tryptase
testing as follows if the cause is thought to be venom-related,
drug-related or idiopathic:a sample as soon as possible after emergency treatment has
starteda second sample ideally within 1–2 hours (but no later than
4 hours) from the onset of symptoms.Inform the person (or, as appropriate, their parent and/or carer) that
a blood sample may be required at follow-up with the specialist
allergy service to measure baseline mast cell tryptase.Adults and young people aged 16 years or older who have had
emergency treatment for suspected anaphylaxis should be
observed for 6–12 hours from the onset of symptoms, depending
on their response to emergency treatment.In people with reactions
that are controlled promptly and easily, a shorter observation period
may be considered provided that they receive appropriate
post-reaction care prior to discharge.Children younger than 16 years who have had emergency
treatment for suspected anaphylaxis should be admitted to hospital
under the care of a paediatric medical team.After emergency treatment for suspected anaphylaxis, offer people
a referral to a specialist allergy service (age-appropriate where
possible) consisting of healthcare professionals with the skills and
competencies necessary to accurately investigate, diagnose,
monitor and provide ongoing management of, and patient
education about, suspected anaphylaxis.After emergency treatment for suspected anaphylaxis, offer people
(or, as appropriate, their parent and/or carer) an appropriate
adrenaline injector as an interim measure before the specialist
allergy service appointment.Before discharge a healthcare professional with the appropriate
skills and competencies should offer people (or, as appropriate,
their parent and/or carer) the following:information about anaphylaxis, including the signs and
symptoms of an anaphylactic reactioninformation about the risk of a biphasic reaction
information on what to do if an anaphylactic reaction occurs (use
the adrenaline injector and call emergency services)a demonstration of the correct use of the adrenaline injector and
when to use it.advice about how to avoid the suspected trigger (if known)
information about the need for referral to a specialist allergy
service and the referral process
information about patient support groups.Each hospital providing emergency treatment for suspected
anaphylaxis should have separate referral pathways for suspected
anaphylaxis in adults (and young people) and children.G Mohan.
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