132 test 1-airways/ippb Flashcards
Name Indications for E-T Tubes?
Failure to ventilate/oxygenate respiratory failure need to protect airway airway compromised predation of decomposition airway obstruction
What are some things that cause ventilatory failure?
Drugs
Midbrain Abnormalities
Disease of respiratory muscles
In this disease acetylcholine becomes absent; causing inaction of neural junction
Myasthenia Gravis
This disease de-mylenates nerve sheath by immune system & causes paralysis, begins as virus
Guillian Barre
Name symptoms of obstructed airway?
stridor, muscle exertion, accessory & intercostal muscles being used
Name the 4 protection reflexes?
Pharyngeal
Laryngeal
Tracheal
Carinal
Name the 2 types of cuffs that seal airway?
Low Volume, high pressure
High volume, low pressure
Which type of volume cuff is best?
High volume, low pressure because it helps preserve airway
What size ET is normally used in women & men?
Women: size 7-8
Men: 8-9
What should cuff pressure be set at?
20-25 mmHg
What is the max cuff pressure above the cuff?
20 cmH20
At what pressure is lymph flow impeded?
5 mm Hg
At what pressure is Venous flow obstructed?
Greater than 10 mmHg
At what pressure is arterial blood flow obstructed?
Greater than 30 mm Hg
What type of tube is used that is double lumen & can seal either the esophagus or trachea and oropharynx?
Combitube