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What Tests Diagnose Nerve Issues in the Legs?
Published: Jan 21, 2024
Diagnosing nerve problems in the legs involves specific tests and imaging. Here's a look at the most common diagnostic tools used.
Electrodiagnostic Testing
EMG and NCS are crucial for identifying nerve disorders. These tests assess the electrical activity in muscles and the speed of nerve signal transmission. They help determine the severity and location of nerve damage.
Imaging Techniques
MRI and ultrasound provide detailed images of nerve structures. MRI is useful for seeing disc issues and compressed nerves, while ultrasound can detect nerve swelling or changes. These imaging tests help confirm diagnoses suggested by symptoms and electrodiagnostic tests.
The Role of Blood Tests
While not always needed, blood tests can help identify conditions like diabetes that affect nerves. These tests check for sugar levels and other markers that could indicate nerve-affecting diseases.
Frequently Asked Questions
EMG tests the electrical activity in muscles to find nerve damage.
MRI provides detailed images of spinal and nerve structures.
Blood tests help find underlying conditions like diabetes.
Ultrasounds detect changes in nerve size and structure.
Testing Takeaways
Understanding these tests can help you navigate your healthcare journey.
References
- Lee H, Brekelmans GJF, Visser LH. Quantitative assessment of nerve echogenicity as an additional tool for evaluation of common fibular neuropathy. Clin Neurophysiol 2016; 127:874.
- Oosterbos C, Weerdt O, Lembrechts M, et al. Diagnostic accuracy of ultrasound and MR imaging in peroneal neuropathy: A prospective, single-center study. Muscle Nerve 2024; 70:360.
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic. Always discuss health information with your healthcare provider.
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