TL;DR
Cricothyrotomy: Surgical airway through cricothyroid membrane when all other methods fail.
By Valenke Exam Prep Team·Last updated 2026-06-02
Cricothyrotomy
Definition
Surgical airway through cricothyroid membrane when all other methods fail.
Exam Focus Areas
On the Nremt Paramedic exam(s), questions about cricothyrotomy typically test:
- Recognition of signs and symptoms requiring immediate intervention
- Correct medication selection, dosing, and route of administration
- Appropriate transport decisions and hospital notification criteria
- Assessment findings that differentiate between similar presentations
Assessment Techniques
Assessment techniques for cricothyrotomy:
- Glasgow Coma Scale
- Components: Eye opening (1-4), Verbal response (1-5), Motor response (1-6). Scoring: 3-15, 8 or less = severe, 9-12 = moderate, 13-15 = mild
- APGAR
- Components: Appearance, Pulse, Grimace, Activity, Respiration. Scoring: 0-10 at 1 and 5 minutes, under 7 needs intervention
- Trauma Score
- Components: GCS, Systolic BP, Respiratory rate. Scoring: Revised Trauma Score: coded values 0-4, sum correlates with survival probability
Common Errors
Critical errors in prehospital application of cricothyrotomy:
- Failing to reassess after intervention. Vital signs must be rechecked every 5 minutes for unstable patients
- Incorrect medication dosing. Always use length-based estimation (Broselow tape) for pediatric patients
- Tunnel vision on one finding while missing the complete clinical picture
- Not communicating changes to receiving facility during transport
Step-by-Step Procedure
Protocol steps for cricothyrotomy:
Spinal motion restriction: mechanism + neuro deficit or midline tenderness = full SMR with C-collar and long board
Why It Matters
Last-resort airway tested on Paramedic exam.
Related Terms
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What vital signs should be monitored when assessing cricothyrotomy?▼
For cricothyrotomy: SpO2: 95-100%. temperature: 97.8-99.1 F (36.5-37.3 C). blood glucose: 70-140 mg/dL. Reassess every 5 minutes for unstable patients.
What medications are commonly associated with cricothyrotomy?▼
For cricothyrotomy: naloxone: 0.4-2mg IV/IM/IN, titrate to respirations, route IV, IM, IN, for Opioid overdose. dextrose: D50W 25g IV (adult), D25W 2-4 mL/kg (peds), route IV/IO, for Hypoglycemia.
What assessment tools help evaluate cricothyrotomy?▼
For cricothyrotomy: Cincinnati Stroke Scale: evaluates Facial droop, Arm drift, Speech abnormality; scoring is Any 1 positive = 72% probability of stroke. Glasgow Coma Scale: evaluates Eye opening (1-4), Verbal response (1-5), Motor response (1-6); scoring is 3-15, 8 or less = severe, 9-12 = moderate, 13-15 = mild.