Rapid Sequence Intubation Summary Questions

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  • 1/5 Questions

    Which of the following statements about Rapid Sequence Intubation (RSI) is INCORRECT: 

    • RSI minimizes the risk of pulmonary aspiration
    • RSI increases the chance of successful intubation by inducing paralysis
    • RSI minimizes untoward physiologic responses due to direct laryngoscopy
    • RSI is the method of choice to secure an airway for a patient in cardiopulmonary arrest
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About This Quiz

This quiz evaluates knowledge on Rapid Sequence Intubation (RSI), focusing on incorrect practices, medication choices, and equipment preparation for emergency scenarios. It is designed for medical professionals to assess critical decision-making skills in urgent care.

Rapid Sequence Intubation Summary Questions - Quiz

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  • 2. 

    A Trauma Stat is called for a 14 yo male who fell from a ladder with waxing and waning mental status  and BP 90/40 with 10 minute ETA. You instruct your med nurse to draw up RSI meds. Your sedative of choice is Etomidate for all the following reasons EXCEPT: 

    • It is readily available in the code room pyxis

    • It causes minimal cardiovascular depression

    • It will keep the patient sedated while getting the CT scan and transferred to the PICU

    • It decreases Intracranial pressure

    Correct Answer
    A. It will keep the patient sedated while getting the CT scan and transferred to the PICU
    Explanation
    Etomidate is the most commonly used sedative in both adult and pediatric Emergency departments. It is
    o Ultrashort-acting and extremely reliable (Onset: 15-30 seconds)
    o It’s duration of action is only 4-10 minutes so it is not likely to last long enough to get a patient through the CT scan and to the PICU.
    o Causes minimal CV depression
    o Decreases ICP
    o Sedative of choice in a patient with multisystem trauma, hypotension, and/or head injury

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  • 3. 

    EMS calls with a 10minute ETA for a 2yo male shot to the chest by a stray bullet at a picnic now in respiratory distress.  You call a Trauma Stat attending and give an estimated weight and instructions to have the following equipment ready:

    • Weight: 12kg; ETT 5.5mm; 11 Fr NG/OG; 18 Fr Chest tube

    • Weight: 16 kg; ETT 4.5mm; 8 Fr NG/OG; 16 Fr Chest tube

    • Weight: 12kg; ETT 4.5mm ; 9Fr NG/OG; 18 Fr Chest tube

    • Weight: 16 kg; ETT 4.5mm; 8 Fr NG/OG; 16 Fr Chest tube

    • Weight 14kg; ETT 4.0mm; 11 Fr NG/OG; 20 Fr Chest tube

    Correct Answer
    A. Weight: 12kg; ETT 4.5mm ; 9Fr NG/OG; 18 Fr Chest tube
    Explanation
    The following are shortcuts to estimating weight, ETT size, Depth of ETT insertion, Foley NG/OG tube size and Chest tube size:

    Weight (kg’s, 1-10 years): 8 + [age (yrs) x 2] ; 8+[2x2] = 12kg

    ETT size (uncuffed) : [age (yrs)/4] + 4; (cuffed is 0.5mm smaller); [2/4] +4 = 4.5mm
    Depth of ETT insertion (cm’s): 3 x ETT size; 3x4.5 = 13.5cm
    Foley or NG/OG tube size: 2 x ETT size; 2 x 4.5 = 9Fr
    Chest tube size: 4 x ETT size; 4x4.5 = 18
    Note: Selecting appropriate equipment is fundamental to intubation success and patient safety. Also recall the appropriate blade size: “Size 2 blade at 2 years old.” Size 1 blades are appropriate for younger infants, and size 3 blades can be used starting at 10-12 years old.

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  • 4. 

    All of the following are indications for using Atropine as a premedication for RSI EXCEPT:

    • 12 yo intoxicated patient with GCS 7

    • 9 mo male with respiratory distress

    • 2 yo trauma stat patient with closed head injury

    • 15 yo male requiring a second dose of succinylcholine

    Correct Answer
    A. 12 yo intoxicated patient with GCS 7
    Explanation
    Infants and children have a more pronounced vagal response to laryngoscopy and endotracheal intubation than adults. In addition, profound bradycardia and even asystole have been documented after succinylcholine administration. Atropine premedication will avoid these complications. Atropine also decreases oral secretions, making it easier to visual landmarks during intubation. Atropine is indicated for:
    • Infants less than 1 year of age (Choice B)
    • Children 1 to 5 years of age receiving succinylcholine (Choice C - Recall that our Trauma Stat protocol recommends Succinylcholine for RSI, hence this is assumed for this choice)
    • Older children who require a second dose of succinylcholine because of a failed first intubation attempt (Choice D)
    • Children receiving ketamine for sedation for RSI.

    The dose of atropine is 0.02 mg/kg (minimum 0.1 mg, maximum 1 mg) IV given 1-2 minutes prior to intubation.

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  • 5. 

    A 7yo ill appearing male with a history of renal failure and chronic lung disease presents with vomiting and altered mental status. He is tachycardic, and has deep respirations. His capillary refill is 4-5 seconds and BP of 70/20. Which of the following would be MOST CORRECT regarding your choice of paralytic agent for RSI?

    • Succinylcholine is best given its rapid onset, short duration of action and is most readily available in the ED pyxis

    • Rocuronium may be used because it has rapid onset and minimal CV side effects which may be best since the patient is hypotensive

    • Vecuronium is best because it is readily available and has longer duration of action which may be needed to cover the patient until transfer to the ICU

    • Pancuronium is best since there seems to be a drug shortage of everything else and it can be just as effective

    Correct Answer
    A. Rocuronium may be used because it has rapid onset and minimal CV side effects which may be best since the patient is hypotensive
    Explanation
    You may not want to consider Succinylcholine in this patient given the contraindications for use in patients with renal failure. Other contraindications include: rhabdomyolysis, extensive crush injuries, hyperkalemia, increased intracranial pressure, glaucoma, penetrating eye injuries, significant neuromuscular disease, extensive trauma or burns older than 48 hours, concern for malignant hyperthermia, pseudocholinesterase deficiency, myotonia, muscular dystrophy and paraplegia. Choice C is incorrect because of the phrase “readily available”. Vecuronium is often inconvenient because it comes in powder form and requires reconstitution. Choice D is inaccurate because pancuronium has a much slower onset than the other choices of 120-140 secs and would not be the best agent in this scenario. Choice B is the best choice.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jul 23, 2012
    Quiz Created by
    Cnmc_pem
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