cricothyroid space
The anatomical space between the cricoid and thyroid cartilages. Site for emergency airway access procedures.
Full Definition
The cricothyroid space is the anatomical interval between the inferior border of the thyroid cartilage and the superior border of the cricoid cartilage. This space contains the cricothyroid membrane and is bounded laterally by the cricothyroid muscles. In endocrine surgery, this space is relevant for emergency airway management, particularly in cases of post-operative hematoma causing airway compression. The cricothyroid space is also the site where emergency cricothyrotomy can be performed if standard intubation fails. Understanding this anatomy is crucial for managing airway emergencies in thyroid surgery patients.
Usage
Usage note: Used primarily in emergency airway management contexts.
In Context
- "Emergency cricothyrotomy through the cricothyroid space was performed due to post-operative hematoma." — Emergency department note
- "The cricothyroid space was identified as the site for emergency airway access if needed." — Anesthesia record