DAANCE Module 4 with complete solution
Purpose of the scavenging system
Reducing the levels of the noxious agents to an acceptably low level by exhausting
them outside the operating room.
Medical gas cylinder colors
Blue- Nitrous Oxide
Green- Oxygen
Yellow- Compressed Air
Brown- Helium
Black- Nitrogen
Gray- Carbon Dioxide
Airway Adjuncts(8)
Head-tilt/Chin-lift
Tongue traction suture
Nasopharyngeal airway
Oropharyngeal airway
Laryngeal mask airway
I-gel supraglottic airway
Endotracheal tube
Combitube
Cricothyrotomy
Tongue traction suture
When the tongue is obstructing the airway one or two sutures can be placed through the
dorsum of the tongue and grasped with a large hemostat
Nasopharyngeal airway
Does not interfere with procedures
Well-tolerated
Can be used on awake patients
Passed through one of the nostrils into the nasal cavity into the oropharynx posterior to
the tongue.
Oropharyngeal airway
Oral airway
may be used to position the tongue in a more anterior position
interferes with intraoral procedures
not tolerated well in awake patients
Supraglottic airway
Placed above the level of the vocal cords
2 types: laryngeal mask airway (LMA) and I-gel supraglottic airway
Gastric port or small tube that passes through the length of the airway to allow access
for a suction catheter that can by used to remove fluid in the stomach and diminish
likelihood of aspiration of acidic gastric juices.
Laryngeal mask airway (LMA)
Plastic tube at the end of which is a small air inflated balloon that sits tightly over the top
of the larynx.
Advantage: may be placed blindly without the use of a laryngoscope.
Purpose of the scavenging system
Reducing the levels of the noxious agents to an acceptably low level by exhausting
them outside the operating room.
Medical gas cylinder colors
Blue- Nitrous Oxide
Green- Oxygen
Yellow- Compressed Air
Brown- Helium
Black- Nitrogen
Gray- Carbon Dioxide
Airway Adjuncts(8)
Head-tilt/Chin-lift
Tongue traction suture
Nasopharyngeal airway
Oropharyngeal airway
Laryngeal mask airway
I-gel supraglottic airway
Endotracheal tube
Combitube
Cricothyrotomy
Tongue traction suture
When the tongue is obstructing the airway one or two sutures can be placed through the
dorsum of the tongue and grasped with a large hemostat
Nasopharyngeal airway
Does not interfere with procedures
Well-tolerated
Can be used on awake patients
Passed through one of the nostrils into the nasal cavity into the oropharynx posterior to
the tongue.
Oropharyngeal airway
Oral airway
may be used to position the tongue in a more anterior position
interferes with intraoral procedures
not tolerated well in awake patients
Supraglottic airway
Placed above the level of the vocal cords
2 types: laryngeal mask airway (LMA) and I-gel supraglottic airway
Gastric port or small tube that passes through the length of the airway to allow access
for a suction catheter that can by used to remove fluid in the stomach and diminish
likelihood of aspiration of acidic gastric juices.
Laryngeal mask airway (LMA)
Plastic tube at the end of which is a small air inflated balloon that sits tightly over the top
of the larynx.
Advantage: may be placed blindly without the use of a laryngoscope.
