Tuesday, 25-Sep-2018 09:56:43 EDT

Re: Clnical Correlate Lower Limb

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Posted by lae2 on September 17, 2014 at 20:52:48:

In Reply to: Re: Clnical Correlate Lower Limb posted by Michelle and Haley on September 17, 2014 at 19:41:52:

: : 3. Point tenderness at the tubercle of the 5th metatarsal may signal avulsion of the tendons of peroneus longus tendon and peroneus tertius.

: Peroneus longus does not attach to MT5 so avulsion of the tendon would not cause point tenderness at the tubercle of MT5
Thus, False. Agreed.

:
: : 6. Decrease sensation between the web of the 2nd and 3rd toe paired with
: decreased dorsalis pedis pulse is suggestive of lateral compartment syndrome.

: Lateral compartment syndrome would affect the superficial peroneal n and decrease sensation between all the toes except 1 and 2 since that space is supplied by the deep fibular n. Since the lateral compartment is supplied by perforating arteries of the peroneal a there would not be a decrease in the dorsalis pedis pulse.

Thus, this question is evaluated False for anterior compartment syndrome also. I am not sure why you have linked dorsalis pedis pulse with lateral compartment. Diminished dorsalis pedis pulse would be suggestive of anterior compartment syndrome. Typically, diminished dorsalis pedis pulse would not predict lateral compartment syndrome unless the dorsalis pedis was a continuation of the perforating peroneal artery rather than the anterior tibial artery. The deep posterior department would be high on the differential in this case.




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