In fact, ICDs are composed of an ICD generator and of wires. The first component or generator, contains a computer chip or circuitry with RAM (memory), programmable software, a capacitor and a battery; this is implanted typically under the skin in the left upper chest.
1 The medial malleolus, felt on the inside of your ankle is part of the tibia's base. 2  The posterior malleolus, felt on the back of your ankle is also part of the tibia's base.  The lateral malleolus, felt on the outside of your ankle is the low end of the fibula.
Problems in areas near the ankle that can cause you to feel pain in the ankle include: 1  Blockage of blood vessels in the leg. 2  Heel pain or injuries.  Nerve injuries (such as tarsal tunnel syndrome or sciatica)