Doctor insights on:
What Does A Emg Test Show
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
Interpretation: Assuming the test was comprehensive and technically competent, this can eliminate large fiber neuropathy, and most muscle diseases. But does not eliminate small fibre neuropathy, or disease of brain and/or spinal cord. Symptoms due to intermittent nerve compression are not fully excluded either. ...Read moreSee 1 more doctor answer
Cancer/ inflammation: Both cancer and noncancerous inflammatory conditions like diverticulitis can cause obstruction of the colon and symptoms associated with that obstruction. During colonoscopy, the obstruction will not allow the colon to distend properly allowing the operator to visualize the problem and biopsy any abnormality. ...Read moreSee 1 more doctor answer
Borderline: Not everythng is black or white.You could have a blockage in an artery which is not severe so that maybe it has nothing to do with your symptoms. The result then would be inconlusive. The test is not totally normal but the problem may not be severe enough to cause symptoms or require treatment. ...Read moreSee 1 more doctor answer
Stress test: Stress testing is an important modality for evaluating patients with known or suspected coronary heart disease (chd). When you take a treadmill (or exercise tolerance) test, data is collected (duration of exercise, any anginal symptoms, and changes on ekg). This data is used to come up with a score from which you are categorized as low, intermediate, or high risk for coronary artery disease. ...Read more
Blood lipids: In the so called "vap" LDL is measured directly and not calculated from total cholesterol, HDL and triglycerides. However, if your triglycerides are below 400, it does not add value. I would suggest that you stick to a usual fasting blood lipid profile and follow your doctor's advice. ...Read more
Tolerable discomfort: The EMG pin is like a fine wire antenna that records from muscle; typically a 28 gauge, a tiny bit larger than an acupuncture pin, but smaller than an injection needle. It feels like an insect bite. Not as bad as a blood draw or flu shot. Typically 2-8 muscles are checked for each tested limb. Nerve conductions studies are usually done alongside, and they feel like an annoying electrical pulse. ...Read moreSee 1 more doctor answer
Nothing: Electromyogram and nerve conduction studies identify where nerves have been damaged and/or are undergoing repair. unfortunately, these studies cannot detect sites of chronic pinching (impingement), which is painful but does not alter neural tissue nor cause positive study data. these tests cannot rule out chronic impingement, which is common. See my board on quora.Com about this medical issue. ...Read moreSee 1 more doctor answer
See below: There is plenty of information about EMG/NCS studies on the Web. Start with http://www.medicinenet.com/electromyogram/article.htm. ...Read more
Stress test: A treadmill test is a cardiac stress test, in which one exercises on a treadmill in order to make the heart work harder in order to see if this stress test on the heart shows signs that the heart is not getting enough oxygen-rich blood flowing to a part or parts of the heart.. ...Read moreSee 1 more doctor answer
What it says: "inconclusive" means that the test, whatever it was for, didn't show a definite positive result for a particular abnormality but didn't definitely rule it out either. A better answer depends on knowing what the test was for; for example, an HIV test can be clearly positive (you have been exposed to the virus), clearly negative (no evidence of exposure) or be equivocal and need more tests. ...Read more
Serotonin levels.: This measures the amount of serotonin in your body. Higher than normal levels may mean carcinoid syndrome. The normal range is 101-283 ng/ml. This has a triad of cutaneous flushing, diarrhea, and valvular heart disease, and occurs in 5% of patients with carcinoid tumors. This is important since patients with this syndrome have a 2.5 year median survival from the first episode of flushing. ...Read more
- Talk to a doctor live online for free
- What does a saliva test show?
- What does a cbc test show?
- What does a swallow test show?
- Ask a doctor a question free online
- Does an emg always show injured nerve in wrist?
- What does a drug and alcohol test show?
- What does a liver function blood test show?
- What does a bone density test show?
- What does a thyroid test show?