ENMG ( Nerve Conduction Study -two limbs)

ENMG ( Nerve Conduction Study -two limbs)

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An electromyogram (EMG) or an ENMG measures the electrical activity of muscles at rest and during contraction. A nerve conduction velocity (NCV) test determines how quickly electrical signals move through a particular peripheral nerve. It is also sometimes known as a nerve conduction study and is used in the diagnosis of nerve damage or nerve dysfunction.How does CT work? CT uses X-rays to perform its work. These X-rays come from an X-ray tube which is placed inside a square machine called the gantry. The part of your body to be scanned goes inside a hole in this gantry. Why is CT such a good modality? Ordinary X-ray pictures are one-dimensional representations of body parts but CT allows us to section the body to view its inner parts. Thus, the skull X-ray only shows us the outer part, whereas CT shows us the inner parts of the brain. Where is CT useful? All parts of the body can be scanned with CT. For each part, there are specific indications or reasons for scanning. Your referring doctor and the consultant radiologist are the best judges of the usefulness of CT scanning in a specific situation and areas. Are there any dangers of CT scanning? Though X-rays involve radiation, there are no dangers, in practice. In women who are pregnant, however, CT scanning should be done after weighing all the risks. What is the injection that I may receive? Majority of the patients will be injected with a "dye" which enhances the ability of CT scans to pick up abnormalities. This is routine. The dye used is a non-ionic contrast medium, which is much safer than the routine, cheaper, ionic dyes. Are there any complications because of the "dye"? 0.5% of patients may get nausea and redness of the skin. Though severe reactions are known, these are very rare and uncommon.


Why is ENMG ( Nerve Conduction Study -two limbs) done ?

ENMG helps to:

  • Measure the electrical activity of muscles during contraction and also at rest
  • Measure how well and efficiently the nerves can send electrical signals

ENMG ( Nerve Conduction Study -two limbs) Instructions

CCO:
No fasting is required. Medications like Aspirin, warfarin, NSAIDS should not be taken on the day of procedure.

SLAs:
For Other Radiology test scheduled before 2 PM eConsultation will be scheduled before 9 PM same day and the physical reports to be delivered by 10 PM same day
For Other Radiology test scheduled after 2 PM eConsultation to start from 8 AM next day and the physical reports to be delivered starting from 8 AM next day

FACILITATOR:
Confirm the compliance of preparations required. Ask the patient to remove any jewellery and metals present on the body.

SLAs:
For Other Radiology test scheduled before 2 PM eConsultation will be scheduled before 9 PM same day and the physical reports to be delivered by 10 PM same day
For Other Radiology test scheduled after 2 PM eConsultation to start from 8 AM next day and the physical reports to be delivered starting from 8 AM next day

Why is ENMG ( Nerve Conduction Study -two limbs) ?

Nerve signals are electrical impulses that travel quickly throughout your nervous system. Sometimes, problems with the electrical activity in your nerves can cause pain, tingling, or weakness in your muscles. NCS measures how fast and how strong the electrical activity is in a nerve. The test can tell whether a nerve has been damaged.