This week we are going to discuss a diagnostic test which is often ordered to differentiate between diseases of the nerve and muscle, as well as the nerve itself and the myelin sheath of the nerve. A ...

Chronic inflammatory demyelinating polyneuropathy (CIDP) affects the peripheral nerves. Tests to diagnose this condition include nerve conduction studies, electromyography, and sometimes an MRI. CIDP ...

This week we are going to discuss not an injury but a specific test that is performed to diagnose an injury. That test? The nerve conduction velocity test or NCV/EMG. The nerve conduction velocity ...

The trigeminal nerve is a cranial nerve. It arises from the brainstem, and its branches cover your face and head. The trigeminal nerve is a paired nerve — you have one on each side. Its chief function ...

Electromyography (EMG) is a diagnostic test that measures how well the muscles respond to the electrical signals emitted to specialized nerve cells called motor nerves. EMG tests are safe and pose ...

Researchers are working to develop a blood test that could determine whether people with a specific genetic disorder have developed cancer. People with the inherited condition Neurofibromatosis type 1 ...

Locating the source of nerve pain can be like chasing a ghost. That’s because nerve signals from the pain source frequently transmit the wrong location to the brain. Now, doctors are finding a way to ...

The phrenic nerve controls the diaphragm, the dome-shaped muscle that is primarily responsible for breathing. Contraction of the diaphragm expands the lungs and draws air into them. The phrenic nerve ...

Medicare claims for electrodiagnostic testing may be riddled with fraud, waste and abuse. More than 4,900 doctors filed questionable claims totaling $139 million in 2011 for these tests, according to ...