Myasthenia Gravis Nursing Care Plan
Fluctuating muscle weakness; medication timing, crisis recognition and energy pacing.
Quick answer
A Myasthenia Gravis nursing care plan centers on protect the airway and monitor respiratory function; prevent aspiration during eating and drinking; time medications precisely around activity and meals. Priority nursing diagnoses are Ineffective breathing pattern, Impaired swallowing, Fatigue. The plan below gives assessment cues, measurable goals, 4 intervention sets with rationales, and patient teaching.
Overview
Myasthenia gravis is an autoimmune disorder in which antibodies destroy acetylcholine receptors at the neuromuscular junction. Fewer functioning receptors means the muscle fails progressively with repeated use, which produces the disease's signature: weakness that worsens with activity and improves with rest.
Ocular symptoms — ptosis and diplopia — usually come first. Bulbar involvement brings dysphagia, dysarthria, chewing fatigue and a nasal voice, and generalized disease adds proximal limb and respiratory muscle weakness. Symptoms are typically mildest in the morning and worst by evening.
The two crises must be distinguished. Myasthenic crisis is severe weakness with respiratory failure from undermedication, infection or stress. Cholinergic crisis results from excess anticholinesterase medication and adds SLUDGE symptoms — salivation, lacrimation, urination, defecation, GI cramping and emesis — with pinpoint pupils. Both present as respiratory failure, and both require immediate airway support.
Key numbers to know
Hallmark
Fatigable weakness — worse with repeated use and at the end of the day, better with rest.
Medication timing
Give pyridostigmine 30–60 minutes before meals so chewing and swallowing are strongest.
Myasthenic crisis
Undermedication or infection: severe weakness, respiratory failure, often with tachycardia and dry secretions.
Cholinergic crisis
Overmedication: weakness plus SLUDGE symptoms, excessive secretions, fasciculations and miosis.
Drugs to avoid
Aminoglycosides, fluoroquinolones, beta blockers, magnesium and neuromuscular blocking agents worsen weakness.
Thymus link
Thymectomy can improve or remit disease in many patients, especially with thymoma.
Nursing priorities
- Protect the airway and monitor respiratory function.
- Prevent aspiration during eating and drinking.
- Time medications precisely around activity and meals.
- Conserve energy and pace activity.
- Recognize crisis early and avoid precipitating drugs.
- Support long-term self-management.
Nursing assessment
Subjective data
- Pattern of weakness over the day and its response to rest
- Double vision, drooping eyelids, difficulty chewing or swallowing
- Shortness of breath, weak cough or voice change
- Medication schedule, missed doses and recent illness or new drugs
- Emotional stress, which commonly precipitates exacerbation
Objective data
- Vital capacity, negative inspiratory force, respiratory rate and cough strength
- Ptosis and diplopia, worsened by sustained upward gaze
- Swallowing safety, gag reflex, speech clarity and nasal quality
- Proximal muscle strength before and after repetitive movement
- Pupil size, secretions, bowel sounds and fasciculations when crisis is suspected
- Acetylcholine receptor antibody titers, ice pack test and edrophonium testing when performed
Related factors
- Autoantibody destruction of acetylcholine receptors
- Infection, surgery, pregnancy, heat and emotional stress
- Undermedication or overmedication with anticholinesterase drugs
- Contraindicated medications impairing neuromuscular transmission
Key nursing diagnoses
Goals and expected outcomes
- The client will maintain effective ventilation with vital capacity above the ordered threshold.
- The client will swallow safely without aspiration.
- The client will take medication on an exact schedule and describe the reason for the timing.
- The client will pace activity and report reduced fatigue.
- The client will identify the signs of both crises and the drugs to avoid.
Nursing interventions and rationales
Airway and aspiration prevention
- Monitor vital capacity and negative inspiratory force at intervals and keep suction and intubation equipment nearby.
- Assess swallowing before every meal; hold oral intake if bulbar weakness is significant.
- Position upright at 90 degrees for eating and for 30 minutes afterward.
- Provide soft, easily chewed foods, small bites and rest breaks during meals; schedule the largest meal when strength peaks.
Medication management
- Administer pyridostigmine exactly on time, 30–60 minutes before meals, and never delay doses.
- Monitor for cholinergic excess: cramping, diarrhea, excess saliva, sweating, small pupils and fasciculations.
- Administer immunosuppressants, corticosteroids, IVIG or plasmapheresis as ordered and monitor for infection.
- Screen every new prescription against the list of drugs that worsen myasthenia and flag them with the prescriber.
Energy conservation
- Cluster care and plan demanding activities for the morning and after doses.
- Alternate activity with scheduled rest and encourage sitting for tasks.
- Avoid heat exposure, infection and emotional stress, which worsen weakness.
- Provide eye patching alternately for diplopia and artificial tears if eyelid closure is incomplete.
Crisis recognition and response
- Assess pupils and secretions to help differentiate cholinergic from myasthenic crisis.
- Prepare for intubation and mechanical ventilation in either crisis; airway comes before diagnosis.
- Have atropine available for cholinergic crisis and be prepared to hold anticholinesterase therapy per order.
- Treat infection promptly and avoid contraindicated antibiotics.
Patient and family teaching
- Take medication at exactly the same times daily and set alarms; timing is the treatment.
- Eat the main meal when strength is highest and sit upright while eating.
- Carry a medical alert card listing the diagnosis and drugs to avoid, and show it to every prescriber and dentist.
- Avoid crowds during respiratory illness season and get recommended vaccinations.
- Report increasing weakness, difficulty swallowing or breathing immediately.
- Plan rest periods into the day and avoid extremes of heat and exertion.
How to build this plan
- 1Assess the patient. Collect subjective and objective data through interview, physical assessment, labs and chart review. Complete, accurate data is the foundation of every later step.
- 2Analyze and cluster the data. Group related cues, compare them with normal findings, and identify patterns that point to actual or potential problems.
- 3Formulate nursing diagnoses. Write the problem statement using a recognized diagnostic label plus related factors and evidence (problem related to cause as evidenced by signs).
- 4Set priorities. Rank diagnoses as high, medium or low using ABCs, Maslow's hierarchy and the patient's own stated priorities. Life-threatening problems come first.
- 5Establish goals and outcomes. Write SMART, patient-centered outcomes: specific, measurable, attainable, realistic and time-bound (short-term and long-term).
- 6Select nursing interventions. Choose independent, dependent and collaborative actions that are safe, evidence-based and matched to the outcome.
- 7Provide rationales. State the scientific reason each intervention works. Rationales are what turn a task list into clinical reasoning.
- 8Evaluate the plan. Compare the patient's actual response with the expected outcome: met, partially met or not met — then continue, revise or discontinue.
- 9Document and communicate. Record the plan and the patient's response in the health record so the whole team works from the same information.
Summarized for study use. Always follow your school's or facility's approved care plan format and current clinical policy.
Practice Myasthenia Gravis questions
These concepts are tested on the ATI proctored exams below — every set has answers and rationales.
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Common questions
What are the nursing diagnoses for Myasthenia Gravis?
Priority nursing diagnoses for Myasthenia Gravis: Ineffective breathing pattern; Impaired swallowing; Fatigue.
What are the nursing interventions for Myasthenia Gravis?
Monitor vital capacity and negative inspiratory force at intervals and keep suction and intubation equipment nearby. Assess swallowing before every meal; hold oral intake if bulbar weakness is significant. Position upright at 90 degrees for eating and for 30 minutes afterward. Provide soft, easily chewed foods, small bites and rest breaks during meals; schedule the largest meal when strength peaks. Administer pyridostigmine exactly on time, 30–60 minutes before meals, and never delay doses. Monitor for cholinergic excess: cramping, diarrhea, excess saliva, sweating, small pupils and fasciculations.
What are the nursing care goals for Myasthenia Gravis?
The client will maintain effective ventilation with vital capacity above the ordered threshold. The client will swallow safely without aspiration. The client will take medication on an exact schedule and describe the reason for the timing. The client will pace activity and report reduced fatigue. The client will identify the signs of both crises and the drugs to avoid.
What should you assess in a patient with Myasthenia Gravis?
Pattern of weakness over the day and its response to rest; Double vision, drooping eyelids, difficulty chewing or swallowing; Shortness of breath, weak cough or voice change; Medication schedule, missed doses and recent illness or new drugs; Emotional stress, which commonly precipitates exacerbation; Vital capacity, negative inspiratory force, respiratory rate and cough strength; Ptosis and diplopia, worsened by sustained upward gaze; Swallowing safety, gag reflex, speech clarity and nasal quality; Proximal muscle strength before and after repetitive movement; Pupil size, secretions, bowel sounds and fasciculations when crisis is suspected; Acetylcholine receptor antibody titers, ice pack test and edrophonium testing when performed
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