Procedures 2

Question 1

Lateral Canthotomy

Answer 1

Indications in trauma: proptosis, IOP > 40 mm Hg, visual acuity loss

Contraindication: suspected globe rupture

Sever inferior crus first

If IOP remains ↑, sever superior crus

Question 2

When is the most appropriate time to attempt rust ring removal?

Answer 2

Over 24–48 hours, the rust ring will oxidize and kill surrounding epithelium.

At this time, the rust ring will be soft and easily removed in one solid plug.

Question 3

Once shoulder dystocia is recognized during delivery, you should do what?

Answer 3

the mother’s legs should be hyperflexed and pulled up by the abdomen (McRoberts maneuver) and firm suprapubic pressure applied

Question 4

A summary of cricothyrotomy steps includes:

Answer 4

1) Prepare the skin with antiseptic solution
2) Locate cricothyroid membrane
3) Make a vertical incision in the midline through the skin and subcutaneous tissues
4) Dilate the cricothyroid membrane
5) Place a 6.0 cuffed endotracheal tube or tracheostomy tube and inflate.

Question 5

What is most likely to happen to an implantable cardioverter defibrillator with placement of a magnet over the device?

Answer 5

Defaults to pacemaker mode

Most ICDs will resume anti-tachycardia therapy once the magnet is removed.

Question 6

Thoracotomy indications after chest tube placement for hemothorax

Answer 6

-initial output of > 20 mL/kg or 1,500 mL
or
-subsequent output of > 200 mL/hour

Question 7

Pediatric Che at tube size

Answer 7

4 x ET tube size

Chest tube = [(age/4)+4] x 4