Electromyography (EMG/NCS)
Diagnostic assessment of nerve and muscle function
Electromyography (EMG) and nerve conduction studies (NCS) are essential diagnostic tools for evaluating disorders of the peripheral nervous system and muscles.
The examination is performed in-office by neurologist Katerina Saroukou, who has extensive training and experience in clinical neurophysiology from Germany. EMG measures the electrical activity of muscles, while NCS evaluates the speed of signal transmission through nerves.
The results help diagnose neuropathies, radiculopathies, carpal tunnel syndrome, myasthenia, and other neuromuscular disorders, guiding the appropriate therapeutic approach.
When to Seek an EMG Examination
Symptoms
- Numbness or tingling in extremities
- Muscle weakness or atrophy
- Radiating pain in arms or legs
- Muscle cramps or spasms
- Carpal tunnel syndrome symptoms
Who Benefits
- Patients with suspected peripheral neuropathy
- Diabetic patients (neuropathy screening)
- Patients with back or neck pain
- Pre- or post-surgical evaluation
- Patients with neuromuscular disorders
What to Expect
Duration: 30-60 minutes.
Preparation: No special preparation required. Avoid applying creams or lotions to the skin before the test. Inform the doctor about any blood thinners or pacemaker.
After the exam: The test involves mild electrical stimulations and insertion of fine needles. It may cause slight discomfort but is generally well-tolerated. Results are provided immediately after the examination.
Frequently Asked Questions
What is electromyography (EMG/NCS)?
EMG/NCS is a neurophysiological examination that evaluates the function of muscles and peripheral nerves. It is used in the diagnosis of neuropathies, radiculopathies, carpal tunnel syndrome, myopathies, and other neuromuscular disorders.
How long does the EMG/NCS examination take?
The examination usually takes 30–60 minutes, depending on the area being examined and the clinical question. It comprises two parts: nerve conduction study (NCS) and needle electromyography (EMG).
Is the EMG examination painful?
The examination involves mild electrical stimulations and insertion of a thin needle into the muscles. Discomfort is usually minor and well tolerated. The neurologist explains each step before it is performed.
How do I prepare for EMG in Heraklion?
Wear comfortable clothing. Avoid applying lotions or creams to the skin on the day of the examination. Bring previous test results (MRI, blood tests) and inform the practice if you are taking anticoagulants.
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