92 Moderate to Severe Allergic Reaction Flashcards

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1
Q

What are the INDICATIONS for the ALLERGIC REACTION medical directive?

A

Exposure to a probable allergen
Signs and symptoms of a moderate to severe allergic reaction

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2
Q

What are the CONTRAINDICATIONS for EPINEPHRINE in the ALLERGIC REACTION medical directive

A

Allergy to epinephrine

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3
Q

What are the CONDITIONS for EPINEPHRINE in the ALLERGIC REACTION medical directive?

A

For anaphylaxis only

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4
Q

What is the MAX dose for EPINEPHRINE in the ALLERGIC REACTION medical directive?

A

0.5mg

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5
Q

What is the DOSE for EPINEPHRINE in the ALLERGIC REACTION medical directive?

A

0.01mg/kg up to 0.5mg

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6
Q

What is the dosing INTERVAL for EPINEPHRINE in the ALLERGIC REACTION medical directive?

A

5 minutes

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7
Q

How MANY doses can you give for EPINEPHRINE in the ALLERGIC REACTION medical directive?

A

2

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8
Q

What is the ROUTE of administration for EPINEPHRINE in the ALLERGIC REACTION medical directive?

A

IM

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9
Q

What is the MAXIMUM dose weight for EPINEPHRINE in the ALLERGIC REACTION medical directive?

A

50kg

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10
Q

Why is Epinephrine ideal for anaphylaxis in comparison to Diphenhydramine?

A

Relieves upper airway obstruction
Fixes HoTN

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11
Q

What type of shock is anaphylaxis

A

Distributive

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12
Q

What causes shock in anaphylaxis?

A

Mast cells release histamine creating a widespread inflammatory response

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13
Q

How does the body respond to histamine

A

Vasodilation
Increased capillary permeability
WBC produce leukotrienes

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14
Q

What is the DRUG CLASS of EPINEPHRINE?

A

Sympathomimetic
Adrenergic agonist

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15
Q

What receptors does epinephrine affect?

A

Alpha 1
Alpha 2
Beta 1
Beta 2

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16
Q

What are the effects of EPINEPHRINE for ANAPHYLAXIS

A

A1: vasocontricts arterioles in the skin, increases preload
B1: positive inotrope, dromotrope, chronotrope
B2: bronchodilates the lungs

Inhibits histamine, stabilizes mast cells permeability

17
Q

Epinephrine administration or IV access

A

Epinephrine administration

18
Q

What are the CONTRAINDICATIONS for DIPHENHYDRAMINE in the ALLERGIC REACTION medical directive?

A

Allergy to diphenhydramine

19
Q

What are the CONDITIONS for DIPHENHYDRAMINE in the ALLERGIC REACTION medical directive?

A

over 25 kg

20
Q

What is the DIVISIONAL WEIGHT for DIPHENHYDRAMINE in the ALLERGIC REACTION medical directive?

A

25kg, 50kg

21
Q

What is the DOSE for 25kg-50kg DIPHENHYDRAMINE in the ALLERGIC REACTION medical directive?

A

25mg

22
Q

What is the DOSE for 50kg DIPHENHYDRAMINE in the ALLERGIC REACTION medical directive?

A

50mg

23
Q

What is the dosing INTERVAL for DIPHENHYDRAMINE in the ALLERGIC REACTION medical directive?

A

N/A

24
Q

How MANY doses can you give for DIPHENHYDRAMINE in the ALLERGIC REACTION medical directive?

A

1

25
Q

What is the ROUTE of administration for DIPHENHYDRAMINE in the ALLERGIC REACTION medical directive?

A

IV/ IM

26
Q

What is the DRUG CLASS of Diphenhydramine?

A

Antihistamine
Anticholinergic

27
Q

How does Diphenhydramine affect histamine receptors

A

non-selective and competitive
binding to H1 receptors

28
Q

How does diphenhydramine work?

A

Competitively binds to H1 receptors
Reduces the amount of histamine
Mast Cell stabilizer

29
Q

What does Diphenhydramine not fix in allergic reactions?

A

Hypotension
Airway swelling