EMT Trauma Practice Test 2025 – Comprehensive Exam Prep

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What does the term 'crepitus' refer to in trauma assessment?

A soft tissue swelling around a wound

A crackling or grating sound/sensation felt under the skin or in the lungs

The term 'crepitus' refers specifically to a crackling or grating sound or sensation that can be felt under the skin or within the lungs. In the context of trauma assessment, the presence of crepitus can indicate significant underlying conditions. For example, if it is noted around a traumatic injury, it may suggest the presence of air trapped in subcutaneous tissues, commonly seen in conditions like pneumothorax or fractures where air escapes from the respiratory tract or lung. This sensation is often described as a feeling similar to the crunching of gravel, and it is important for EMTs to identify this during their assessment as it may guide further treatment and intervention. Understanding this term is crucial for evaluating the severity of traumatic injuries and the potential for respiratory complications.

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A delay in the healing of wounds

Excess fluid buildup in the tissues

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