Which combination of nerve blocks results in a complete block of sensory perception beneath the ankle?

Updated: Jun 14, 2018
  • Author: Heather Tassone, DO; Chief Editor: Meda Raghavendra (Raghu), MD  more...
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Answer

Answer

A combination of posterior tibial nerve block, saphenous nerve block, superficial peroneal nerve block, deep peroneal nerve block, and sural nerve block results in complete block of sensory perception beneath the ankle, as shown in the image below.

Areas of anesthetization to complete an ankle bloc Areas of anesthetization to complete an ankle block. This block requires anesthetization of 5 nerves for complete sensory block below the ankle. The areas to anesthetize include a line along the anterior ankle for the superficial peroneal nerve (blue line), the deep peroneal nerve (red star), the saphenous nerve (pink star), the sural nerve (green arrow), and the posterior tibial nerve (orange arrow).

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