Which gauge needles are recommended for needle decompression in suspected tension pneumothorax?

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Prepare for the Army Deployed Medical Test with our comprehensive quiz. Practice with multiple choice questions complete with hints and explanations. Get ready to excel in your exam confidently!

Multiple Choice

Which gauge needles are recommended for needle decompression in suspected tension pneumothorax?

Explanation:
When you need to rapidly relieve a suspected tension pneumothorax, use a large-bore conduit so air can escape quickly and pressure is relieved promptly. A 14- or 16-gauge needle provides enough lumen to vent air rapidly, reducing intrathoracic pressure and improving hemodynamics in an emergent situation. Smaller gauges—such as 18-, 20-, or 22-gauge—are too narrow and more prone to occlusion or kinking, which slows decompression and can worsen the patient’s condition. Therefore, 14- or 16-gauge needles are the recommended choice for needle decompression.

When you need to rapidly relieve a suspected tension pneumothorax, use a large-bore conduit so air can escape quickly and pressure is relieved promptly. A 14- or 16-gauge needle provides enough lumen to vent air rapidly, reducing intrathoracic pressure and improving hemodynamics in an emergent situation. Smaller gauges—such as 18-, 20-, or 22-gauge—are too narrow and more prone to occlusion or kinking, which slows decompression and can worsen the patient’s condition. Therefore, 14- or 16-gauge needles are the recommended choice for needle decompression.

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