Endotracheal intubation is used in?

BCCL kharkhanda Staff Nurse - 2015

Medical & Surgical Nursing

Easy

Appeared in: BCCL kharkhanda Staff Nurse - 2015

Explanation

General anaesthesia induces a state of narcosis, or severe central nervous system depression, where patients are not arousable.
This state leads to the loss of the ability to maintain ventilatory function and protective airway reflexes.
Endotracheal intubation is required to maintain a patent airway, deliver anaesthetic gases, and prevent aspiration of gastric contents.
Neuromuscular blocking agents are often used to facilitate endotracheal intubation during general anaesthesia.

Option B: Spinal anaesthesia involves injecting an anaesthetic into the spinal fluid, which numbs the body from the waist down. The patient remains conscious and maintains control of their airway and breathing.
Option C: Regional anaesthesia involves injecting an anaesthetic around specific nerves to block sensation in a larger area of the body, like an entire arm or leg (e.g., a nerve block). The patient is typically conscious or lightly sedated and breathes independently.
Option D: Local anaesthesia numbs a very small, specific area of the body where a minor procedure is being performed (e.g., stitching a cut). It has no effect on consciousness or the central respiratory drive.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Indications for Endotracheal Intubation in Anaesthesia as background academic context rather than a clinical decision trigger.
Nurses play a crucial role in caring for intubated patients. Key responsibilities include assessing for correct tube placement upon insertion (e.g., bilateral breath sounds, chest rise, capnography), securing the tube to prevent dislodgement, and providing meticulous oral care to reduce the risk of ventilator-associated pneumonia (VAP).
Monitoring vital signs, oxygen saturation, and ventilator settings is continuous. The nurse must be vigilant for signs of complications such as tube obstruction, accidental extubation, or tracheal injury.
What if? - If a patient under general anaesthesia has a known difficult airway (e.g., due to facial trauma or anatomical abnormalities), the anaesthesiologist may opt for an alternative airway device like a Laryngeal Mask Airway (LMA) or perform an awake fiberoptic intubation before inducing anaesthesia to ensure the airway is secured safely.

How to Approach the Question

First, understand the core concept of the question: 'Endotracheal intubation' is a method to secure a patient's airway.
Next, analyze the function of each type of anaesthesia provided in the options.
Recall that general anaesthesia causes a complete loss of consciousness and protective reflexes, including breathing.
Contrast this with spinal, regional, and local anaesthesia, where the patient typically remains conscious and maintains their own airway.
Logically connect the need for airway support (intubation) with the type of anaesthesia that compromises airway function.
Conclude that endotracheal intubation is fundamentally associated with general anaesthesia.

Concept Tested & Keywords

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