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Doctor insights on: Eeg Emg Test

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Are an EEG test and a sleep study test different?

Are an EEG test and a sleep study test different?

Yes: Eeg records brain activity alone (save for one lead to record the heart), while sleep studies also record leg movement, breathing, oxygen levels. ...Read more

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Dr. Michele Arnold
1,328 doctors shared insights

Electromyography (Definition)

Emg (electromyography) is a test of your muscles and nerves. It is typically performed along with nerve conduction studies (ncs). The EMG portion involves placing a recording pin (like a fine wire antenna) into various muscles, looking for 'muscle distress signals' that could suggest nerve or muscle diseases/problems. Nerve conduction studies involve stimulating nerves ...Read more


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Cardiac MRI, CTPA, EGC 's, echo's, Chest X-rays, PET scan, blood tests, ECG stress test. All these tests, no diagnosis. Could something been missed?

Cardiac MRI, CTPA, EGC 's, echo's, Chest X-rays, PET scan, blood tests, ECG stress test. All these tests, no diagnosis. Could something been missed?

Laboratory tests: Difficult to answer your question without knowing the symptoms and the physical examination that prompted the imaging studies and blood tests. What do your physicians suggest is the step? ...Read more

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Exercise stress test, 24 hour holter monitor, echo doppler test--which is done first?

Exercise stress test, 24 hour holter monitor, echo doppler test--which is done first?

For what?: These tests provide different information and have different indications. Stress tests are to look for evidence to support a diagnosis of symptomatic blocked coronary arteries. Holtor is used to evaluate for dysthymia. Echocardiogram is useful to look at the heart valves and other features. Choosing the right test depends on what symptoms you are having. Discuss this with your doctor. ...Read more

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Acth stimulation test results accurate?

Acth stimulation test results accurate?

Depends: I'm assuming no lab errors. If you get a very high cortisol spike after receiving the first dose of ACTH, you are reassured you do not have Addison's. No, or a very small spike, strongly suggests Addison's. In-between... that's why there are specialist endocrinologists. ...Read more

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What does a emg test show?

What does a emg test show?

EMG: An electromyogram (EMG) measures the electrical activity of muscles at rest and during contraction. ...Read more

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What is a nerve conduction velocity (NCV) test?

What is a nerve conduction velocity (NCV) test?

Part of EMG: Nerve function can be tested using electromyography, and the NCV test applies an electrical shock over the nerve to ascertain if normal velocity and voltage is present. Patterns of nerve abnormality can diagnose different diseases. ...Read more

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What test will show brainstem activity other than eeg.

What test will show brainstem activity other than eeg.

None: No test shows activity directly. Some tests can be used to assess certain functions of the brainstem. This includes vestibular testing, some forms of autonomic testing, eye movement testing, among others. ...Read more

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Spinal cord lesion on t3/4, negative brain mri, positive for oligoclonal banding. Neurologist says ms. Can this be with negative brain mri?

Spinal cord lesion on t3/4, negative brain mri, positive for oligoclonal banding. Neurologist says ms. Can this be with negative brain mri?

Can occur: Although less common, isolated spinal cord involvement can be seen in absence of demonstrable brain lesions. But make certain that you do no have NMO presenting atypically, and an anti-aquaporin blood test can help confirm diagnosis. ...Read more

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What tests did they do? Test -rpr, rfx qn rpr/confirm tp-pa attribute rpr value (normal range non reactive (non reactive result negativ

What tests did they do?

Test

-rpr, rfx qn rpr/confirm tp-pa 

attribute

rpr 	

value (normal range

non reactive (non reactive 		

result

negativ

Syphyllis : This test was performed as a part of std screening. According to this test, syphilis (at least the secondary form and on) are absent. A directed history, risk factor assessment, symptom inventory and an exam are as if not more important. Practice safety. ...Read more

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What is electromyography (emg )?

What is electromyography (emg )?

Electromyography: Emg and ncv testing is used to help diagnose nerve and muscle problems. Examples include spinal nerve impingement (from herniated disc), carpel tunnel syndrome, ulnar syndrome, sources of radiating pain. Pain, numbness, weakness, muscle fatigue are some of the reasons that you may need an emg/ncv test. ...Read more

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M37.Have low HDL/high TriG.Did tests, results ok.ABI, EKG, Chest XRay, UltraSound Carotid+whole abdomen,Echo Treadmill Stress. repeat tests how often?

M37.Have low HDL/high TriG.Did tests, results ok.ABI, EKG, Chest XRay, UltraSound Carotid+whole abdomen,Echo Treadmill Stress. repeat tests how often?

Family history?: much of this hinges I feel on your family history. If you have parents, grandparents, aunts, uncles or siblings with coronary artery disease under the age of 55 then I repeat testing in 5 years, otherwise probably in 10 years. There is no consensus on this: therefore this is my own opinion as interventional cardiologist. ...Read more

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Can marijuana be detected on an EEG test ?

Can marijuana be detected on an EEG test ?

No: There are no eeg abnormalities specific for cannabis intoxication. There are, howrver, other demonstrable abnalites in brain finction that can last more than 24 hrs after last use. ...Read more

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?+oligoclonal in csf, + opt neuritis,vep abn,EMG Abn, ocular CT abn,neuro cog test abn. No lesions. ? MS. +s/s- n/t legs,balance,speech.ms imitat.Neg

?+oligoclonal  in csf, + opt neuritis,vep abn,EMG Abn, ocular CT abn,neuro cog test abn. No lesions. ? MS. +s/s- n/t legs,balance,speech.ms imitat.Neg

Clarification: You have multiple issues, and most would strongly implicate MS. But if an MRI of both brain and spinal cord is normal, you do NOT have MS. However, several other possibilities exist, and you need to clarify your diagnosis. May help to obtain another opinion. ...Read more

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Black outs, seizures, headache, weakness, slurred speech, dizziness. Test done, EEG, CT, MRI, blood work. ALL negative, what other test are there?

Black outs, seizures,  headache, weakness, slurred speech, dizziness. Test done, EEG, CT, MRI, blood work. ALL negative, what other test are there?

One suggestion: Echocardiogram testing sometimes shows a large PFO in a case like this, and it might be considered an option. It is good that the other tests are normal- don't give up. ...Read more

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Can you have peripheral neuropathy with negative nerve. Conduction tests? Tested positive for bilateral carpal tunnel

Can you have peripheral neuropathy with negative nerve. Conduction tests? Tested positive for bilateral carpal tunnel

Carpal tunnel or PN: If your nerve conduction test showed you have carpal tunnel syndrome, that is your diagnosis. Your nerve conduction test is not normal or negative if this is the diagnosis. This is a good test for distinguishing these two conditions. It is possible to have rare kinds of neuropathy with a normal nerve conduction test- this is why it is important to have an interview and exam with the test minder ...Read more

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Is an emg test painful?

Is an emg test painful?

Uncomfortable: Like a lot of medical tests emgs are not fun. I tell patients there will be some discomfort but it should be tolerable and not last too long. ...Read more

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Why did a neurologist automatically assume depression, (numbness, vision problems, fuzzy memory) after negative mri? Ana positive. Gp says lupus.

Why did a neurologist automatically assume depression, (numbness, vision problems, fuzzy memory) after negative mri? Ana positive. Gp says lupus.

Depends: Lupus causing central nervous system findings is advanced & has unequivocal lab findings 2 go with significant physical findings. A positive ANA is not diagnostic of anything specific. If you had lupus causing CNS abnormalities, many other autoimmune tests are likely to be extremely elevated. Lupus would have joint & kidney findings too. Anxiety or depression are more common & likely the reason. ...Read more

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Dr. Jeffrey Cohen
407 doctors shared insights

Eeg (Definition)

An electroencephaolgram (eeg) is a test that uses wires on the scalp to measure electrical activity produced by the brain. It is used to assess cerebral activity, and can be very helpful in the diagnosis and treatment of seizures as well ...Read more