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Myasthenia Gravis: In a Nutshell (Nursing)

by Rhonda Lawes

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    00:00 So let's wrap up this video on myasthenia gravis.

    00:04 It's a chronic autoimmune neuromuscular disease.

    00:09 It'll cause weakness in the skeletal muscles which help us breathe, move parts of our body including our arms and legs.

    00:16 Now the hallmark of myasthenia gravis is muscle weakness that gets worse after periods of activity and improves after periods of rest.

    00:25 So you working with the myasthenia gravis patient is going to be really important for them to understand this concept.

    00:31 If they push themselves too much, they're gonna kick themselves into a myasthenia gravis exacerbation.

    00:37 Now a degree of muscle weakness including the myasthenia gravis varies greatly from minor to life-threatening respiratory problems.

    00:44 We talked about six options for diagnosis: the exam, a tensilon test, blood tests which-- remember, if those are might be helpful, might be not.

    00:55 Electrodiagnostics, I prefer the single fiber.

    00:58 Diagnostic imaging, looking for a thymoma.

    01:01 And pulmonary function testing to see where the patient stands and the strengths of their respiratory system.

    01:06 So to treat it, we can do the thymectomy.

    01:09 Remember that might be helpful, possibly, if the patient has a thymoma, or even doesn't have a thymoma.

    01:15 We can give medications like anticholinesterase.

    01:19 Those are the ones that are against the enzyme that breaks down acetylcholine.

    01:23 Or we can give immunosuppressive drugs.

    01:26 So the two medications we would consider: anticholinesterase medications or immunosuppressive drugs.

    01:33 But, remember, that really knocks out a patient's immune system from just common diseases we could normally fight off.

    01:39 Plasmapheresis and IV immunoglobulin are the ones that involved right into the vascular system.

    01:45 Plasmapheresis, you draw all the blood out, put it through a machine, filter out the bad antibodies, put the plasma back that's now clean and improved.

    01:54 For IV immunoglobin, we just inject that from antibodies that were collected from a pool of donors, and we injected that to bump up that person's immune system in an appropriate manner.

    02:06 Now, last, my myasthenic crisis is a medical emergency.

    02:10 So every nurse needs to recognize what are the precursors, what could throw a patient into a myasthenic crisis.

    02:17 Now I do know, and we talked about, that we don't always know what the trigger is, but we do know what common triggers are.

    02:24 So you being aware of what they are, knowing what to do, is really important that could save someone's life.

    02:31 Thank you for watching our video today.


    About the Lecture

    The lecture Myasthenia Gravis: In a Nutshell (Nursing) by Rhonda Lawes is from the course Chronic Neurological Disorders (Nursing).


    Included Quiz Questions

    1. Muscle weakness that worsens with activity and improves with periods of rest
    2. Dyskinesia in ocular movement
    3. Spasmodic muscle movements
    4. Altered functionality of the respiratory system

    Author of lecture Myasthenia Gravis: In a Nutshell (Nursing)

     Rhonda Lawes

    Rhonda Lawes


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    Great videos
    By Ziyue Z. on 13. July 2020 for Myasthenia Gravis: In a Nutshell (Nursing)

    This series of tutorial videos are great and really helpful for nursing students, It's fantastic and I like them pretty much. However, it could be better if each video can goes longer and give a more detailed explanation of some medications which treat a particular disease like how this drug works and how it react in human body to achieve their function.