Kettering CSE Practice Exam

Question: 1 / 400

In a patient with a gunshot wound to the chest, what indicates the need for a chest tube?

Stable respiratory patterns

Absent breath sounds on one side

In the context of a gunshot wound to the chest, the presence of absent breath sounds on one side is a significant clinical indicator that a chest tube is necessary. Absent breath sounds can indicate the presence of a pleural effusion or, more critically, a tension pneumothorax, both of which can severely compromise respiratory function. In cases of trauma, the accumulation of air or fluid in the pleural space may lead to lung collapse on the affected side, resulting in diminished or absent breath sounds upon auscultation.

The use of a chest tube, also known as a chest drain, facilitates the evacuation of air or fluid from the pleural cavity, thereby allowing the lung to re-expand, improving ventilation and oxygenation. The procedure is crucial for stabilizing the patient's respiratory status and avoiding further complications.

On the other hand, stable respiratory patterns, a normal heart rate, and increased oxygen saturation do not provide sufficient evidence that the thoracic cavity is clear and the patient is stable, especially in the setting of a penetrating injury. These signs could potentially be misleading in the face of underlying issues, thus highlighting why the absence of breath sounds is the most critical indicator for the need for intervention with a chest tube in this scenario.

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Normal heart rate

Increased oxygen saturation

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