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Question

An inhalation injury may result in which of the following?
1. Thermal burn to the upper airway
2. Thermal burn to the bronchial tree and lungs
3. Chemical burn to the bronchial tree
4. Chemical burn to the lungs
Select the correct answer using the code given below :

The correct answer is
1, 3 and 4

Inhalation Injury Assessment

Inhalation injury occurs when a person breathes in harmful substances like smoke, chemicals, or superheated air.

Injury Manifestations

The effects of inhalation injury can be categorized as follows:

  • Thermal Burns: Direct heat causes burns. This commonly affects the upper airway (nose, mouth, throat) due to the heat being dissipated before reaching deeper structures. Less commonly, very hot gases or steam can cause thermal injury to the bronchial tree and lungs.
  • Chemical Burns: Toxic components in smoke cause direct chemical damage. This can affect the bronchial tree, leading to inflammation and airway obstruction. Chemicals can also reach and damage the lungs themselves, causing pneumonitis and respiratory distress.
  • Systemic Effects: Absorption of toxins can lead to systemic poisoning (e.g., carbon monoxide).

Evaluating Injury Statements

  1. Thermal burn to the upper airway: This is a common consequence of breathing hot air or flames. (True)
  2. Thermal burn to the bronchial tree and lungs: While possible with steam or extremely hot gases, direct thermal injury deep in the lungs is less frequent than chemical injury or upper airway thermal burns.
  3. Chemical burn to the bronchial tree: Smoke contains numerous chemicals that irritate and damage the airways. (True)
  4. Chemical burn to the lungs: Chemicals can travel further into the respiratory system, damaging lung tissue. (True)

Conclusion

Based on the common effects of inhalation injury, thermal burns affect the upper airway, and chemical burns affect both the bronchial tree and the lungs. Therefore, statements 1, 3, and 4 are accurate descriptions of potential results.

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Important Questions from Trauma & Injury Management

  1. Which of the following are stages of damage control surgery? 

    1. Patient's selection 

    2. Control of haemorrhage 

    3. Resuscitation in ICU 

    4. Preventive surgery 

    Select the correct answer using the code given below.

  2. A 30-year-old road traffic accident victim is being taken up for emergency laparotomy for haemoperitoneum and suspected multiorgan trauma. Which one of the following will be an indication for performing damage control surgery?
  3. A 30-year-old motorbike rider is brought to the emergency with history of a road traffic accident and altered consciousness. On secondary survey, the doctor notices presence of a bruise over the left mastoid process. The finding indicates
  4. Indications for fasciotomy in compartment syndrome include all EXCEPT:
  5. Which one of the following statements about Compartment Syndrome is NOT correct?
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