• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/27

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

27 Cards in this Set

  • Front
  • Back
_____ is a chronic, autoimmune neuromuscular disorder characterized by fatigue and severe weakness of voluntary skeletal muscles.
Myasthenia Gravis
Myasthenia Gravis has an _____ course with periodic remission and exacerbation.
unpredictable
The effects of Myasthenia Gravis are exacerbated by ____ and ____ but relieved by ____.
exercise
repeated movement
rest
15% of people with Myasthenia Gravis have a _____.
thyoma
Myasthenia Gravis occurs when antibodies destroy or block neuromuscular junction receptor sites resulting in a...
decrease in the number of acetylcholine receptors.
Because the receptor sites are destroyed or blocked with MG, there is a decrease in the muscles ability to _____ even though there is sufficient acetylcholine.
contract
S/Sx of MG often begin at the
face.
Ocular and Facial manifestations of MG include:
-ptosis
-diplopia
-facial weakness
-dysphagia
-dysarthria
Musculoskeletal manifestations of MG include:
-weakness and fatigue
-decreased function of hands, arms, legs, and neck muscles
2 common issues of MG that lead to respiratory problems are:
-Cholernigic Crisis
_Myasthenic Crisis
Respiratory manifestations of MG are:
-weakness of intercostal muscles
-decrease in diaphragm movement
-breathlessness and dyspnea
-poor gas exchange
Nutritional manifestations of MG are:
-inability to chew and swallow
-decreasing ability to move tongue
-impairment of fine motor movements: inability to feed self
Complications r/t the nutritional manifestations of MG are:
-weight loss
-dehydration
-aspiration
5 methods of diagnosis for MG are:
-Tensilon test
-Electromyography
-Labwork
-CT scan or Chest x-ray
-Nerve conduction studies
The _____ is a short-acting anticholinerase used specifically to diagnose Myasthenia Gravis.
Tensilon Test
A CT Scan or chest xray may be done when diagnosing MG to look for a _____.
thyoma
Drugs used to treat Myasthenia Gravis are _____ inhibitors.
anticholinesterases/ cholinesterase
4 antocholinesterase meds used for MG are:
Tensilon
Mestinon (pyridostigmin)
Mytelase (ambenonium)
Prostigmon (neostigmin)
When administering anticholinersterase meds for MG it is important to do a baseline assessment of ____ and _____.
muscle strength and abilities
If a patient with MG has dysphagia, medications may be given _____.
parenterally
Patients with MG who are taking anticholinesterase meds should always have _____ available in case of respiratory distress.
Muscarinic antagonist
On of the most serious problems of anticholinesterase medications is ______.
respiratory distress
A ______ is a result of an overdose with anticholinergic medication.
cholinergic crisis
A ____ is a sudden exacerbation of motor weakness caused by under medication.
myasthenic crisis
S/Sx of cholinergic crisis are
-GI manifestation
-severe muscle weakness
-vertigo
-respiratory distress
S/Sx of myasthenic crisis are:
-tachycardia
-tachypnea
-severe respiratory distress
-dysphagia
-impaired speech
-anxiety
To distinguish between myasthenic crisis and cholinergic crisis, _____ is used.
Tensilon test