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Immunologic Emergencies
Chapter 18
17
Medical
Undergraduate 1
06/19/2015

Additional Medical Flashcards

 


 

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Term
Allergens
Definition
Substances that cause an allergic reaction
Term
Allergic Reaction
Definition
The body's exaggerated immune response to an internal or surface agent
Term
Anaphylaxis
Definition
An extreme, life-threatening systemic allergic reaction that may include shock and respiratory failure
Term
Envenomation
Definition
The act of injecting venom
Term
Epinephrine
Definition
A substance produced in the body, and a drug produced by pharmaceutical companies that increases pulse rate and blood pressure
Drug of choice for an anaphylactic reaction
Term
Histamines
Definition
Substances released by the immune system in allergic reactions that are responsible for many symptoms of anaphylaxis, such as vasodilation
Term
Immune Response
Definition
The body's response to a substance perceived by the body as foreign
Term
Immune System
Definition
The body system that includes all of the structures and processes designed to mount a defense against foreign substances and disease-causing agents
Term
Immunology
Definition
The study of the body's immune system
Term
Leukocytes
Definition
Chemical substances that contribute to anaphylaxis
Released by the immune system in allergic reactions
Term
Stridor
Definition
A harsh, high-pitched respiratory sound, generally heard during inspiration, that is caused by partial blockage or narrowing of the upper airway
Term
Toxin
Definition
A poison or harmful substance
Term
Urticaria
Definition
Small spots of generalized itching and/or burning that appear as multiple raised areas on the skin
Hives
Term
Wheal
Definition
A raised, swollen, well-defined area on the skin resulting from an insect bite or allergic reaction
Term
Wheezing
Definition
A high-pitched, whistling breath sound, usually caused by a consstriction of the smaller tubes of the lungs and typically heard on expiration
Term
5 Common Causes of Allergic Reactions
Definition
Insect bites and stings
Medications
Food
Plants
Chemicals
Term
Treatments for Allergic Reactions
Definition
Oxygen
Epinephrine if indications of true anaphylaxis (systolic under 100)
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