SAD Considerations

Question 1

Significant concern with the use of SADs?

Answer 1

Possibility of aspiration during insertion and ventilation, however it is a low risk

Question 2

The risk of aspiration is lower when utilizing ___________________.

Answer 2

Second generation SADs

Question 3

What maneuvers can cause the failure to ventilate the patient?

Answer 3

• Malpositioning of the LMA
• Overinflation of the cuff

Question 4

Malpositioning of the LMA and the Overinflation may result in what?

Answer 4

-A disruption of the seal over the glottis–>disruption of the gastric drainage port->creates more pressure on the sidewalls of the pharynx and posterior wall of the larynx->epiglottis folds back against the glottic opening-> obstructing the airway

Question 5

Pathology at or below the ___________ level may render SADs _________ as a ventilation device.

Answer 5

Laryngeal; Ineffective

Question 6

Types of obstructions that causes LMA failures

Answer 6

-Subglottic obstructions (tracheal thrombosis, tracheal stenosis, tumors)
-OB pts
-Aspiration
-Severe RA

Question 7

When are LMA used in OB pts

Answer 7

When TI has failed and ventilation with a facemask is difficult or impossible

Question 8

T/F It is simply ok to use an SAD in a nonsupine patient.

Answer 8

False

SAD use in nonsupine positions should be used with caution and evaluated on a case by case basis according to the situation.

Question 9

Insertion of a SAD is different in the lateral and prone positions that in the supine positions, and may lead to what?

Answer 9

Failed placement or failed ventilation