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5.09: Zone F7 – Lateral Canthal Line

YOUR ASSIGNMENT FOR THIS LESSON

✅ Step #1: Review all content below.

✅ Step #2: Image the F6 zone on your own with your ultrasond, and using the checklist provided on this page, check off all key structures to be identified in this location

TRANSDUCER POSITION AT F7

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STANDARD F7 ORIENTATION:
TRANSVERSE

Locate this zone by drawing a vertical line from the lateral canthus which ends 1-3 cm superior to the bone of the orbital rim, at this point is F7.

QUICK TIP
  • Similar to other zones in the forehead, make sure you decrease your penetration depth here, as the tissues examined are shallow.

EXAMPLE OF IMAGE ACQUIRED AT F7

Standard image acquired at F7. Left F7 Position. See key below for lables.*

ANATOMICAL LEGEND FOR F7 LOCATION

*Standard image acquired at F7 labeled with key anatomical structures.

KEY VESSELS IMAGED AT F7

Key vascular anatomy at F7 is the frontal branch of the superfical temporal a.

DOPPLER IMAGE ACQUIRED AT F7 OF KEY VESSELS

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QUICK TIP
  • The braches of the superficial temporal artery are often the easiest vessels to find in the forehead. But they are easily compressible. Make sure you use very light pressure and lots of gel!

DO IT YOURSELF CHECKLIST

Structures to Identify on Ultrasound for F7

Once you have completed this checklist, mark this part of the lesson as complete.