Davis's Lab & Diagnostic Tests
Electromyography
To view the entire topic, please log in or purchase a subscription.
Nursing Central is an award-winning, complete mobile solution for nurses and students. Look up information on diseases, tests, and procedures; then consult the database with 5,000+ drugs or refer to 65,000+ dictionary terms. Explore these free sample topics:
-- The first section of this topic is shown below --
General
Synonym/Acronym:
Electrodiagnostic study, EMG, neuromuscular junction testing.
Rationale
To assess the electrical activity within the skeletal muscles to assist in diagnosing diseases such as muscular dystrophy, Guillain-Barré, polio, and other myopathies.
Patient Preparation
There are no food or activity restrictions unless by medical direction. Under medical direction, the patient should avoid muscle relaxants, cholinergics, and anticholinergics for 3 to 6 days before the test. Instruct the patient to abstain from smoking and drinking caffeine-containing beverages for 3 hr before the procedure. Protocols may vary among facilities.
Normal Findings
- Normal muscle electrical activity during rest and contraction states.
Critical Findings and Potential Interventions
N/A
-- To view the remaining sections of this topic, please log in or purchase a subscription --
General
Synonym/Acronym:
Electrodiagnostic study, EMG, neuromuscular junction testing.
Rationale
To assess the electrical activity within the skeletal muscles to assist in diagnosing diseases such as muscular dystrophy, Guillain-Barré, polio, and other myopathies.
Patient Preparation
There are no food or activity restrictions unless by medical direction. Under medical direction, the patient should avoid muscle relaxants, cholinergics, and anticholinergics for 3 to 6 days before the test. Instruct the patient to abstain from smoking and drinking caffeine-containing beverages for 3 hr before the procedure. Protocols may vary among facilities.
Normal Findings
- Normal muscle electrical activity during rest and contraction states.
Critical Findings and Potential Interventions
N/A
There's more to see -- the rest of this topic is available only to subscribers.
