The Respiratory System - Veterinary Assistant Flashcards
What are the main functions of the respiratory system?
-Respiration
-Voice production=Phonation
-Body Temperature Regulation
-Acid-Base Balance
Two respiratory tracts
exam question
Upper Respiratory Tract
-All structures outside lungs
Lower Respiratory Tract
-All structures within lungs
Structure of the upper respiratory tract
-Nostrils
-Nasal Passages
-Pharynx
-Larynx
-Trachea
What is the Larynx?
-The Larynx = voice box
-Short, irregular tube composed of cartilage and muscle
-Supported by a hyoid bone
-Connects Pharynx and Trachea
What is the Larynx composed of?
-Epiglottis
-Arytenoid Cartilages
-Thyroid Cartilage
-Cricoid Cartilage
What is the Trachea?
-The Trachea = Windpipe
-Short, wide tube
-Fibrous tissue and smooth muscle held open by cartilage rings
-Extends from Larynx into Thorax where it divides - Bifurcation of the Trachea
Three breeds most likely to experience Tracheal Collapse
-Yorkshire Terriers
-Shih Tzu
-Maltese
Three breeds most likely to experience Hypoplastic Trachea
-English Bulldog
-French Bulldog
-Pug
Two foreign bodies that can be found in a dog
-Toys/balls
-Sewing needles
How to triage phone calls for Tracheal emergencies?
-History
-Mental Status
-Estimated Arrival Time
What to consider when preparing team and equipment for Tracheal Emergencies
-Size of patient
-Resources Available/kennel, nasal prongs, flow-by o2
-Pulse oximeter/Monitoring equipment
How are you monitoring Tracheal Emergencies?
-Respiratory rate
-Respiratory effort
-Mucous membrane colour
Anatomic Abnormalities with BOAS
-Stenotic Nares
-Nasopharyngeal turbinates
-Elongated soft palate
-Laryngeal Collapse
-Hypoplastic Trachea
Everted Laryngeal Saccules
Three Canine breeds that experience BOAS
-Bulldogs
-Frenchys
-Pugs
Three Feline breeds that experience BOAS
-Persians
-Himalayans
-Burmese
