In the diagnostic evaluation of epiglottitis, which imaging test is preferred for visualizing a swollen epiglottis?
Computed tomography (CT) scan.
Magnetic resonance imaging (MRI).
Lateral neck radiograph.
X-ray of the chest.
The Correct Answer is C
Choice A rationale:
Computed tomography (CT) scan provides detailed images of internal structures but is not the preferred imaging test for visualizing a swollen epiglottis.
CT scans are more commonly used for evaluating conditions in other parts of the body, such as the brain or abdomen, and may not provide the necessary detail for assessing the upper airway.
Choice B rationale:
Magnetic resonance imaging (MRI) can produce high-resolution images of soft tissues, but it is not the first choice for visualizing a swollen epiglottis.
MRI scans are time-consuming and may not be readily available in urgent situations.
In cases of suspected epiglottitis, prompt diagnosis and intervention are crucial to prevent respiratory compromise.
Choice C rationale:
Lateral neck radiograph is the preferred imaging test for visualizing a swollen epiglottis.
This X-ray technique allows healthcare providers to assess the size of the epiglottis and its relationship with nearby structures.
A classic finding in epiglottitis on a lateral neck radiograph is a swollen epiglottis, giving a thumbprint sign appearance.
This imaging study can aid in the diagnosis and guide appropriate management.
Choice D rationale:
X-ray of the chest is not the preferred imaging test for evaluating epiglottitis.
While a chest X-ray can provide information about the lungs and surrounding structures, it does not offer the necessary detail to visualize the upper airway, including the epiglottis.
Lateral neck radiograph is specifically tailored to assess the structures in the throat region and is the imaging modality of choice in suspected cases of epiglottitis.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C","E"]
Explanation
Choice A rationale:
Administering antibiotics intravenously as prescribed is a crucial intervention in the management of epiglottitis.
Epiglottitis is commonly caused by bacterial infections, and intravenous antibiotics are essential to target the underlying infection and prevent its spread.
The choice of antibiotic should be based on the specific causative organism and local antibiotic resistance patterns.
Choice B rationale:
Administering corticosteroids intravenously as prescribed is another important intervention in the supportive care of epiglottitis.
Corticosteroids help reduce airway inflammation, which is a significant concern in epiglottitis.
By decreasing inflammation, corticosteroids can alleviate respiratory distress and improve the patient's breathing.
Choice C rationale:
Providing hydration and nutrition by intravenous fluids is necessary in the management of epiglottitis, especially if the child is having difficulty swallowing or breathing.
Intravenous fluids ensure that the child receives adequate hydration and nutrition while minimizing the risk of aspiration, which can worsen the airway obstruction.
Choice E rationale:
Providing humidified air or cool mist therapy to moisten the airway is a supportive measure that can help ease breathing difficulties in children with epiglottitis.
Humidified air or cool mist therapy can soothe the inflamed airway, making it easier for the child to breathe.
It is essential to maintain a moist environment to prevent further irritation and discomfort.
Choice D rationale:
Educating the child and family about the prevention of epiglottitis is important for overall health awareness, but it is not a direct supportive intervention for a child already diagnosed with the condition.
While prevention strategies, such as timely vaccinations and good hygiene, are crucial, they do not constitute immediate supportive care for a child with active epiglottitis.
Correct Answer is C
Explanation
Choice A rationale:
Epiglottitis is most commonly caused by bacterial infections, specifically Haemophilus influenzae type b (Hib) bacteria.
This bacterium can cause inflammation and swelling of the epiglottis, leading to airway obstruction.
Viral infections are not the primary cause of epiglottitis in children.
Choice B rationale:
Epiglottitis primarily affects children, not adolescents and adults.
The peak incidence occurs in children between the ages of 2 and 6 years.
Choice C rationale:
The child adopting a tripod position, leaning forward with outstretched arms, is a classic sign of epiglottitis.
This position helps maximize airway patency and ease breathing.
It is a protective mechanism that children instinctively assume to maintain their airway.
Choice D rationale:
Epiglottitis does not typically result in a loud, high-pitched cry.
The child with epiglottitis is usually quiet and prefers to sit still in a tripod position to maintain airway patency.
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