Regarding the management of a difficult airway using the Difficult Airway Algorithm (DAA), all of the following statements are TRUE EXCEPT:

Question

Accepted Answer

C. If intubation is unsuccessful after 3 attempts with direct laryngoscopy, the algorithm mandates immediate cricothyrotomy without attempting alternative techniques. ## Difficult Airway Algorithm: Core Principles

**Key Point:** The Difficult Airway Algorithm (DAA) is a decision-tree designed to maximize patient safety by offering multiple pathways — it does NOT mandate cricothyrotomy after 3 failed direct laryngoscopy attempts in all scenarios.

### Why Option 0 is Incorrect

The DAA emphasizes **flexibility and escalation**, not a rigid "3 strikes and you're out" rule. The algorithm states:

1. After unsuccessful intubation attempts, reassess the situation
2. If mask ventilation is **adequate**, the patient can continue under anesthesia with alternative techniques (video laryngoscopy, flexible scope, etc.)
3. Cricothyrotomy (emergency surgical airway) is reserved for the **"cannot intubate, cannot ventilate"** scenario — not simply after 3 failed attempts
4. The number of attempts and choice of next technique depend on:
   - Adequacy of oxygenation and ventilation
   - Urgency of the case
   - Available equipment and expertise
   - Patient factors (aspiration risk, etc.)

**Clinical Pearl:** Rushing to cricothyrotomy after 3 attempts without assessing mask ventilation adequacy violates the core principle of the DAA — stepwise escalation with reassessment.

### Why the Other Options are Correct

| Option | Correctness | Rationale |
|--------|-------------|----------|
| Awake fiberoptic intubation in elective predicted difficult airway | ✓ Correct | Gold standard for elective cases; avoids loss of airway control and spontaneous ventilation |
| DAA distinguishes predicted vs. unanticipated difficult airways | ✓ Correct | Two separate pathways: predicted (awake approach preferred) vs. unanticipated (manage after induction) |
| Continuation of anesthesia if mask ventilation adequate | ✓ Correct | Core DAA principle: if oxygenation maintained, proceed with alternatives rather than emergency surgical airway |

**High-Yield:** The DAA is **outcome-focused**, not attempt-count-focused. The critical decision point is **"Can I ventilate?"** not **"How many times have I tried?"**

**Mnemonic:** **CVCO** — Can Ventilate? Can Oxygenate? → If YES to both, you have time for alternatives. If NO to both, emergency surgical airway.

Answer

A. The DAA distinguishes between the unconscious patient with an unanticipated difficult airway and the conscious patient with a predicted difficult airway

Answer

B. Awake fiberoptic intubation is the gold standard for predicted difficult airways in an elective setting

Answer

D. If mask ventilation is adequate in an unconscious, unanticipated difficult airway, the algorithm permits continuation of anesthesia with spontaneous ventilation or low-pressure positive pressure ventilation

Regarding the management of a difficult airway using the Difficult Airway Algorithm (DAA), all of the following statements are TRUE EXCEPT:

Explanation

Practice similar questions