In other words, the. compressor elevates the boiling. point of the refrigerant to a point. at which the air (or water) mov-. ing across the condenser is low. enough to condense the refriger-. ant to a liquid. Additional passes.
The most common cause is a herniated disk: When a disk develops a tear or crack and bulges into the spinal canal, it can pinch the sciatic nerve. Usually symptoms clear up within about 6 weeks, but for some people, the pain can last.
1 Sciatica is nerve pain from irritation of the sciatic nerve. 2  The sciatic nerve is the largest nerve in the body. 3  Sciatica pain is typically felt from the low back to behind the thigh and radiating down below the knee. 4  Treatments for sciatica depend on the underlying cause and the severity of the pain.ciatica facts. 1  Sciatica is nerve pain from irritation of the sciatic nerve. 2  The sciatic nerve is the largest nerve in the body. 3  Sciatica pain is typically felt from the low back to behind the thigh and radiating down below the knee. 4  Treatments for sciatica depend on the underlying cause and the severity of the pain.