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32 Cards in this Set
- Front
- Back
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Nasal Cannula
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0.25-6L/min
24-40% O2 |
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Simple Face Mask
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5-15L/min
28-50% O2 |
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Partial Non-rebreather
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5-15L/min
40-70% O2 |
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Non-Rebreather
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10-15L/min
60-80% O2 |
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Bag Valve Mask
(BVM) |
able to deliver almost 100% O2 with positive pressure.
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Superior Laryngeal Nerve Block
(Hyoid) |
Provides dense block of supraglottic regions
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Transtracheal Block
associated nerves |
internal laryngeal & recurrent nerves
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Transtracheal Block
Key Points |
Injecting local anesthetic through the cricothyroid membrane. Must CONTINUALLY aspirate for air.
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Glossopharyngeal Block
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Lingual branch of the glossopharyngeal nerve-sensory to the back of tongue
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Glossopharyngeal Block
Key Points |
Air aspiration=too deep
Blood=reposition more medially |
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Complications of masking
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Facial nerve damage, corneal abrasions, bruising, allergic rx and aspiration of gastric contents
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Double Lumen Tube (DTL)
Indications |
Thoracic surgery and to selectively not ventilate one lung.
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Anatomical considerations for DLT placement
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Right mainstem bronchus has larger diameter with 25 degree angulation. Left mainstem is 45 degree angle.
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DLT sizes
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Female 35-37 French
Male 37-39 French |
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DLT insertion considerations
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Most accurate w/fiberoptic
R fenestrated to accomodate RUL L tube most used (d/t clamping) |
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What position is associated with DLT displacement?
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Lateral Decubitus
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Amount of air in the tracheal cuff for the DLT?
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10-15cc
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Amount of air in the bronchial cuff for the DLT?
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3cc
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Where should the tip of DLT sit?
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3-5cm above carina
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Combitube indications
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Prehospital
Limited neck/Halo Massive bleeding or Regurg. Difficult intubate scenerio |
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Name 2 airways that have 2 lumens?
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DLT
Combitube |
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Combitube Contraindications
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Active gag reflex
Known esophageal trauma Mass Ingestion of corrosive agent <12years or 5 ft tall |
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Combitube sizes
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Males 41 Fr
Females 37 Fr Only 2 sizes use 37 for small adult. |
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Which cuff of Combitube & DLT is blue?
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Bronchial
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If Combitube is in trach how is it used?
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Conventional use with distal cuff
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If Combitube is in esophagus how is it used?
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Both cuffs are inflated and ventilation occurs through holes above distal cuff
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Jet Ventilation basics
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Injection of high-velocity gas into the airway through narrow cannula w/o a seal; rate 60 cycles/min
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How much pressure is used during jet ventilation?
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The pressure tubing is attached to a 50psi source.
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Jet ventilation
What Peds peak pressure? |
5 psi and increase by 5psi increments
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Jet ventilation
What is Adults peak pressure? |
25psi and change according to clinical response.
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List medications used for aspiration prophylaxis
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Sodium Citrate (30mls)
Histamine blocker (Ranitidine) Metoclopramide (10mg) |
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How do you treat laryngospasm in the OR?
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Hyperextend the neck & administer 100% assisted ventilation w/10-20cm H2O pressure; more severe cases may require muscle relaxant (Succinylcholine 0.1mg/kg)
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