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Difficult tracheal intubation is when you have to attempt more than 3 times or spend longer than? |
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The nasopharynx is separated from the oropharynx by the ? |
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the _____ demarcates the border between the oropharynx and hypoharynx |
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The vagus nerve provides sensation to the hypharynx via? |
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Definition
the internal branches of the superior laryngeal nerve |
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The larynx sits between cervical __ and __ |
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Definition
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the vocal cords are formed by the |
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the narrowest portion of the adult airway is? |
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The trachea begins at cervical __ and extends to the carina which is at T? |
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Definition
C6 starts cervical and extends to the carina which is at T5 |
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The trachea is ___ cm long and supports by ___ horseshoe shaped cartilages |
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Definition
Trachea is 10-15 cm long and composed of 16-20 horsehoe cartilages |
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Term
What mallampati score will the fauces no longer be visible? What else is present for this score? |
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Definition
A mallampati III the fauces are no longer visible. What you can see is the soft palate, and possible the base of the uvula and hard palate. |
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Term
Acromegaly patients have a high airway risk for? |
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Definition
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Term
The shape of the palate may be predictive of airway complications. What findings are you looking for? |
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Definition
1. highly arched palates are bad sign 2. narrow palates are a bad sign |
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What neck shape may make someone more at risk during your airway assessment? |
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Definition
Short necks and Thick NeckS! Bad finding |
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Term
Whats the name for the neck movement needed to get all three axis' in alignment for optimal tracheal intubation |
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Definition
antlanto-occipital extension |
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Term
normal atlanto-occipital extension |
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Definition
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IF you had to do a cricothyroidotomy and the person does not have a pronounced laryngeal prominence then resort to identifying the cricoid cartilage compared to tracheal rings..whats the difference |
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Definition
Start at the sternal notch and palpate the tracheal cartilage as you work your way up. The cricoid cartilage will be wider and higher compared to tracheal cartilage. |
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Definition
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Mallampati class x? is predictive of difficult facemask ventilation |
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Definition
Mallampatti class III and IV |
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Term
the minute ventilation for oxygen (MV02) for an adult with an ideal body weight is? |
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Definition
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What are some good tenchniques to ensure adequate 100% oxygenation of the entire FRC prior to intubation |
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Definition
3 minutes of tidal volume breathing 100% or 8 large breaths in 60 seconds is also equivalent. |
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Limit ventilation pressure of the bag valve mask to less < ___ cm to avoid gastric insufflation |
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Definition
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An oral airway can cause what bad side effects |
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Definition
1. larygeal spasms 2. gag reflex |
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Term
nasal airways are contraindicated in what patients 3x |
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Definition
1. basilar skull fractures 2. coagulation abnormalities 3. platelet abnormalities |
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Term
cricoid pressure for better view is also known as? |
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Definition
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Term
standard intubating blades for adults for the mac and miller are? |
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Definition
MAC: 3 or 4 Miller: 2 or 3 |
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Term
what property of the tracheal tube allows it to be seen on xray |
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Definition
the end is radio opaque for visualization during CXR |
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Term
How far does the tracheal tube go into the trachea? |
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Definition
You want the top of the cuff to be at 1-2 cm past the vocal cords. |
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Term
Where should the tip of the tracheal tube lie? |
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Definition
half way between the vocal cords and carina |
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Term
ciliary denudation can occur under the cuff after only how long being intubated |
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Definition
after only 2 hours of intubation |
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Term
what kind of patient would you consider using a fiberoptic scope for intubation |
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Definition
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Term
an absolute contraindication to fiberoptic intubation is? |
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Definition
TIME. Technique requires time to set up. |
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Term
What drug is important to give prior to fiberoptic intubation to help prevent disrupting video quality? Describe this class of drugs phsyiology |
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Definition
give an antisialagogue which will decrease saliva. Atropine can do this. Anticholinergics have this affect as well. Glycopyrloate is another option. |
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Term
how much glycopyrrolate is given to act as a antisialagogue |
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Definition
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What is a cornu? give two examples |
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Definition
cornu a structure with a shape likened to a horn, in particular. a horn-shaped projection of the thyroid cartilage or of certain bones (such as the hyoid and the coccyx). |
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Term
Describe the procedure for transtracheal block, what equipment needed also |
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Definition
Need a 20 gauge needle attached to a syringe with 4 mL of a local anesthetic. Find the cricothyroid membrane and begin inserting needle slowly while aspirating to identify if you hit a vessel (bad) or aspirate air (Good! thats the goal) When air is aspirated stop and advance catheter and remove needle. Reattach the LA filled syringe and again reconfirm you are in the trachea (you should be able to aspirate air) then rapidly inject LA |
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Term
What trick can you do to help facilitate nasal fiberoptic intubation which will have less trauma? What size tube do you choose |
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Definition
warm the ett prior with water. Use a size tube that is 1.5 mm larger than the diameter of the fiberoptic bronchoscope. |
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Term
what are three methods for anesthetizing a patients upper airway |
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Definition
1. larynx and trachea local A topicalization 2. Superior laryngeal nerve block 3. transtracheal block |
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Term
what other device can provide an excellent channel for awake oral fiberoptic intubation |
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Definition
AN LMA! Since it sits over the larynx it will help facilitate the ETT into the right area. |
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Term
McGrath scope, glidescope, pentax are examples of what type of laryngoscopes? |
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Definition
rigid fiberoptic laryngoscopes |
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Term
The most SNS stimulating thing we do to patients during surgery is? |
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Definition
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Term
what's the difference between a king airway and combitube |
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Definition
combitube is two proximal lumens with one distal end that has two lumens (a side port and a distal end) It has two cuffs that need to be inflated. Ventilate through the tube that accesses the lungs. |
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Term
when do you release cricoid pressure after intubation |
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Definition
ONLY AFTER TUBE IS CONFIRMED |
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What ASA classifcation would you give a patient with unstable angina |
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Definition
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What ASA classifcation would you give a patient with hepato-renal failure |
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Definition
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What ASA classifcation would you give a patient with mild obesity? How about morbid obesity? |
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Definition
Mild Obesity = ASA 2
Morbid obesity = ASA 3 |
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What ASA classifcation would you give a patient with pregnancy |
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Definition
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What ASA classifcation would you give a patient with stable angina |
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Definition
ASA 3: Stable angina is systemic disease with some functional issues |
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symptomatic anything with a major disease will result in what ASA class |
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