Anaphylaxis & Epinephrine Administration by the EMT Adapted with permission from the Pilot Project...
Transcript of Anaphylaxis & Epinephrine Administration by the EMT Adapted with permission from the Pilot Project...
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Anaphylaxis & Epinephrine Anaphylaxis & Epinephrine Administration by the EMTAdministration by the EMT
Adapted with permission from the Pilot Project Adapted with permission from the Pilot Project for the Administration of Epinephrine by for the Administration of Epinephrine by
Washington EMTsWashington EMTs
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Learning Objectives:Learning Objectives:With successful completion of this training With successful completion of this training
module, the EMT will be able to describe module, the EMT will be able to describe and/or correctly demonstrate …and/or correctly demonstrate …
Epinephrine identification as a medication,Epinephrine identification as a medication, steps in aseptic technique,steps in aseptic technique, preparation of Epinephrine for preparation of Epinephrine for
administration, administration, intramuscular administration of intramuscular administration of
Epinephrine, &Epinephrine, & the mechanism of action and effects of the mechanism of action and effects of
EpinephrineEpinephrineDuring this presentation, check your answer to study questions by clicking on this icon:
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Key TermsKey TermsAnaphylaxisAnaphylaxis - a life-threatening, hypersensitivity reaction of the
immune system
Aseptic technique Aseptic technique - a procedure performed under sterile conditions
Asphyxia Asphyxia - suffocation as a result of blockage of the airway
DyspneaDyspnea - labored or difficult breathing
EpinephrineEpinephrine - a hormone released from the adrenal glands that activates several tissues in the “fight-or-flight” response
HistamineHistamine - one of several chemical messages released from immune cells that promote inflammation as a defense mechanism
IntramuscularIntramuscular - a medication route by injection into the belly of a muscle which encourages rapid transport by the bloodstream
ShockShock - a severe reduction in blood pressure (by any cause) that results in inadequate blood flow (oxygen & glucose) to tissues
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What is Epinephrine?What is Epinephrine? A synthetic reproduction of the naturally A synthetic reproduction of the naturally
occurring hormone occurring hormone EpinephrineEpinephrine Released during Released during “fight or flight” “fight or flight” responsesresponses
reflex stimulation of the adrenal glandreflex stimulation of the adrenal gland sympathetic division of the autonomic nervous sympathetic division of the autonomic nervous
systemsystem
During “fight or flight” reactions, the airways
_____________ .(dilate or constrict)
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Examples of the MedicationExamples of the Medication
• Name of medication• Concentration (1:1,000 or
1mg/1ml)• Expiration date
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Indications for UseIndications for UseEMTs may administer Epinephrine for:EMTs may administer Epinephrine for: AnaphylaxisAnaphylaxis Anaphylactic shockAnaphylactic shock
Dosage:Dosage: AdultsAdults - - 0.30 mg 0.30 mg of 1:1,000of 1:1,000
PediatricsPediatrics - - 0.15 mg 0.15 mg of 1:1,000of 1:1,000
> 30kg (66 lbs)
< 30kg(66 lbs)
Is this a different dose than when using the Epi-pen?
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Anaphylaxis is an over-Anaphylaxis is an over-reaction of the Immune reaction of the Immune
SystemSystem Sudden, severe allergic reaction involving Sudden, severe allergic reaction involving
the whole bodythe whole body Most common allergens: insect sting, food, Most common allergens: insect sting, food,
medication, latexmedication, latex Widespread immune system response Widespread immune system response
causes itching, hives & swellingcauses itching, hives & swelling May also cause circulatory shock; tracheal May also cause circulatory shock; tracheal
and bronchial swelling resulting in and bronchial swelling resulting in asphyxiaasphyxia
What respiratory signs would be typical of anaphylaxis?
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Action of EpinephrineAction of Epinephrine
Relaxes smooth muscle in the airwaysRelaxes smooth muscle in the airways Counteracts histamine and other cytokinesCounteracts histamine and other cytokines Raises blood sugar levelRaises blood sugar level Raises heart rate, blood pressure, and Raises heart rate, blood pressure, and
myocardial oxygen demandmyocardial oxygen demand
For Intramuscular injection of Epinephrine…For Intramuscular injection of Epinephrine…Onset of effect: Onset of effect: 3-5 min3-5 minDuration of effect: Duration of effect: 1-4 hours1-4 hours
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Some Side Effects of Epinephrine will occur:
Palpitations Tachycardia & arrhythmias Hypertension Headache Tremor, weakness Pallor, sweating Nausea & vomiting Nervousness & anxiety Pain, redness at the injection site
Which vital signs are important to document before and after administering epinephrine?
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Six Six RightsRights of Drug of Drug AdministrationAdministration
1.1. Right personRight person
2.2. Right drugRight drug
3.3. Right doseRight dose
4.4. Right timeRight time
5.5. Right routeRight route
6.6. Right Right documentationdocumentation
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Site Selection and Site Selection and PreparationPreparation
IntramuscularIntramuscular sites allow a drug to be injected into the belly of a muscle so that the blood vessels supplying that muscle distribute the medication to its site of action via the bloodstream.
First steps:First steps:1. Prep the site with approved antiseptic by
scrubbing vigorously and allowing to dry. DO NOT TOUCH, BLOW ON OR FAN THE INJECTION SITE!
2. Align the syringe and needle above the injection site at a 90 degree angle, with the bevel of the needle facing up.
What PPE should be worn when preparing the medication and injection site?
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90º
Intramuscular Intramuscular InjectionInjection
How much longer will it take to treat anaphylaxis if epinephrine is administered too shallow (in the subcutaneous layer),
rather than in the muscle?
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Intramuscular Injection SitesIntramuscular Injection Sites
Deltoid Vastus lateralisRectus femoris
Where is the best IM injection site for an infant?
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Needle Handling Needle Handling PrecautionsPrecautions
Minimize the tasks performed in a Minimize the tasks performed in a moving ambulance.moving ambulance.
Immediately dispose of used sharps Immediately dispose of used sharps in a sharps container.in a sharps container.
Recap needles only as a last resort.Recap needles only as a last resort.
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AmpulesAmpulesVialsVials
Ampules and VialsAmpules and VialsStore epinephrine AWAY from light; leave it in its carton until ready to use. Also keep away from extreme heat and danger of freezing.
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DocumentDocument all information concerning all information concerning the patient and medication, the patient and medication,
including:including:
1.1. Indication for drug administrationIndication for drug administration include appearance, work of breathing, vitals,
lung sounds, skin signs, and ability to speak
2.2. Drug, dosage, and delivery siteDrug, dosage, and delivery site
3.3. Patient response to the medicationPatient response to the medication include appearance, work of breathing, vitals,
lung sounds, skin signs, and changes in ability to speak
both positive and negative responses
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Obtaining Medication from a Obtaining Medication from a Glass AmpuleGlass Ampule
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Confirm the MedicationConfirm the Medication
Medication nameMedication name Dosage (1:1,000 or 1mg/1ml)Dosage (1:1,000 or 1mg/1ml) Expiration dateExpiration date Not cloudy; no color or precipitateNot cloudy; no color or precipitate
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Hold the ampule upright and tap its Hold the ampule upright and tap its top to dislodge any trapped solution.top to dislodge any trapped solution.
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Place gauze around the thin neck…Place gauze around the thin neck…
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……and snap it off with your thumb.and snap it off with your thumb.
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Draw up the medication.Draw up the medication.
Using a 1cc syringe, insert the needle into the ampule and draw the plunger back on the syringe until you reach the correct dosage (0.15 cc or 0.30cc) for the weight of the patient.
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Obtaining MedicationObtaining Medicationfrom a Vialfrom a Vial
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Confirm the MedicationConfirm the Medication
Medication nameMedication name Dosage (1:1,000 or 1mg/1ml)Dosage (1:1,000 or 1mg/1ml) Expiration dateExpiration date Not cloudy; no color or precipitateNot cloudy; no color or precipitate
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Prepare the syringe Prepare the syringe and hypodermic needle.and hypodermic needle.
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Clean the vial’s rubber top.Clean the vial’s rubber top.
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Insert the hypodermic needle into Insert the hypodermic needle into the rubber top and inject the air the rubber top and inject the air
from the syringe into the vial.from the syringe into the vial.
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Withdraw the appropriate volumeWithdraw the appropriate volumeof medication.of medication.
Using a 1cc syringe, insert the needle into the vial or ampule, draw the plunger back on the syringe until you reach 0.3cc mark on the syringe.
© Scott Metcalfe
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Prepare the site.Prepare the site.
© Scott Metcalfe
Scrub the skin Scrub the skin vigorously with vigorously with an alcohol wipean alcohol wipe
Allow to air dry Allow to air dry (do not blow on (do not blow on or fan it)or fan it)
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Insert the needle at a 90-degree angle.Insert the needle at a 90-degree angle.
© Scott Metcalfe
Stretch the skin taut
Do not pinch it Hold the
syringe like a dart
Insert the needle with a quick stab at a 90° angle to the skin surface
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Remove the needle and Remove the needle and cover the puncture site.cover the puncture site.
© Scott Metcalfe
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Assessment of Patient Assessment of Patient ResponseResponse
Document patient’s response to Document patient’s response to treatment: treatment:
LOC, behavior, breathing effort, lung LOC, behavior, breathing effort, lung sounds, skin signs, vital signs, and sounds, skin signs, vital signs, and changes in ability to speakchanges in ability to speak
Document adverse effects, if anyDocument adverse effects, if anyHow long does it take for the drug to take effect, and what do I do if the patient does not improve?
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Any questions?Any questions?
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The body’s stress response causes the normal release of The body’s stress response causes the normal release of epinephrine to maintain homeostasis during vigorous epinephrine to maintain homeostasis during vigorous activity: “fight or flight”. These same actions of activity: “fight or flight”. These same actions of epinephrine counteract e.g. the epinephrine counteract e.g. the bronchoconstrictionbronchoconstriction and and low blood pressure low blood pressure of anaphylaxis when administered by of anaphylaxis when administered by medical personnel. medical personnel.
EPINEPHRINEEPINEPHRINE
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Epi-Pen dosagesEpi-Pen dosages
PediatricsPediatrics - - 0.15 mg 0.15 mg of 1:1,000of 1:1,000AdultsAdults - - 0.30 mg 0.30 mg of 1:1,000of 1:1,000
The same dosage schedule is used in anaphylaxis, no matter the method of IM administration.
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Respiratory Signs & Respiratory Signs & SymptomsSymptoms
Shortness of breathShortness of breath Hoarseness, wheezing, or other Hoarseness, wheezing, or other
abnormal sounds of breathingabnormal sounds of breathing Hives, itching, swelling and/or spasmHives, itching, swelling and/or spasm Rapid and/or labored breathing, use Rapid and/or labored breathing, use
of accessory muscles, prolonged of accessory muscles, prolonged expirations, hypoventilation, expirations, hypoventilation, decreased lung soundsdecreased lung sounds
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Document Vital Signs before Document Vital Signs before and after treatment with and after treatment with
EpinephrineEpinephrineBecause epinephrine is expected to Because epinephrine is expected to
cause widespread changes in cause widespread changes in function, it is important to frequently function, it is important to frequently monitor and document vital signs:monitor and document vital signs:
HR, RR, BP include general appearance, work of
breathing, lung sounds, skin signs, and ability to speak bac
k
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Always wear PPE when Always wear PPE when treating patientstreating patients
Wear gloves and Wear gloves and goggles when goggles when assessing the patient, assessing the patient, preparing the preparing the medication, cleaning medication, cleaning the site of injection, the site of injection, and administering the and administering the drug.drug.
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Be sure to inject Be sure to inject Epinephrine into the muscleEpinephrine into the muscleIt may take twice as long (up to 10 It may take twice as long (up to 10
min) for epinephrine to have it’s life-min) for epinephrine to have it’s life-saving effect if not injected into the saving effect if not injected into the muscle. muscle.
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Vastus lateralis (lateral Vastus lateralis (lateral thigh)thigh)
is the best site for infantsis the best site for infants Good site for all
ages Far from major
blood vessels & nerves
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Ongoing AssessmentOngoing Assessment
If no significant improvement within 10If no significant improvement within 10
minutes, consider second doseminutes, consider second dose Second dose requires consultation with
online medical control If unable to contact medical control or ALS
unit, EMT may administer second dose if patient condition warrants
Thorough documentation is essentialback