Podcast
Questions and Answers
What is the characteristic facial expression in a patient with MG?
What is the characteristic facial expression in a patient with MG?
- A smiling expression
- A frowning expression
- A neutral expression
- A snarling expression (correct)
In patients with MG, what is the most noticeable effect of weakness in chewing?
In patients with MG, what is the most noticeable effect of weakness in chewing?
- Difficulty in swallowing
- Inability to chew
- Weakness after prolonged effort (correct)
- Pain in the jaw
What is the characteristic of speech in patients with MG?
What is the characteristic of speech in patients with MG?
- A stuttering quality
- A nasal quality (correct)
- A hoarse quality
- A slurring quality
What percentage of patients with MG experience generalized weakness?
What percentage of patients with MG experience generalized weakness?
What is the significance of weakness remaining restricted to the extraocular muscles for 3 years?
What is the significance of weakness remaining restricted to the extraocular muscles for 3 years?
What is the diagnostic significance of anti-AChR antibodies?
What is the diagnostic significance of anti-AChR antibodies?
What percentage decrease in amplitude of evoked muscle action potentials is seen in myasthenic patients during repetitive nerve stimulation?
What percentage decrease in amplitude of evoked muscle action potentials is seen in myasthenic patients during repetitive nerve stimulation?
What is the primary purpose of administering edrophonium (Tensilon) in myasthenia gravis patients?
What is the primary purpose of administering edrophonium (Tensilon) in myasthenia gravis patients?
What is the term for the test that involves inserting a fine wire electrode through the skin and into a muscle to test a single muscle fiber?
What is the term for the test that involves inserting a fine wire electrode through the skin and into a muscle to test a single muscle fiber?
What is the enzyme that is inhibited by certain drugs to improve muscle strength in myasthenia gravis patients?
What is the enzyme that is inhibited by certain drugs to improve muscle strength in myasthenia gravis patients?
What is the term for the antibody that may be present in some seronegative myasthenia gravis patients?
What is the term for the antibody that may be present in some seronegative myasthenia gravis patients?
Which of the following is a characteristic of bulbar weakness in myasthenia gravis?
Which of the following is a characteristic of bulbar weakness in myasthenia gravis?
What is a common finding in normal individuals undergoing repetitive nerve stimulation?
What is a common finding in normal individuals undergoing repetitive nerve stimulation?
What is the effect of anticholinesterase medication on myasthenic patients?
What is the effect of anticholinesterase medication on myasthenic patients?
What is the primary treatment for myasthenia gravis when symptomatic treatment is not effective?
What is the primary treatment for myasthenia gravis when symptomatic treatment is not effective?
What is a possible side effect of anticholinesterase medication?
What is a possible side effect of anticholinesterase medication?
What is used to treat gastrointestinal symptoms caused by anticholinesterase medication?
What is used to treat gastrointestinal symptoms caused by anticholinesterase medication?
What is a characteristic of autonomic findings in myasthenia gravis?
What is a characteristic of autonomic findings in myasthenia gravis?
What percentage of patients with MG develop hyperthyroidism?
What percentage of patients with MG develop hyperthyroidism?
What is the primary cause of Lambert-Eaton myasthenic syndrome?
What is the primary cause of Lambert-Eaton myasthenic syndrome?
Which of the following is a common finding in patients with LEMS?
Which of the following is a common finding in patients with LEMS?
What is the primary mechanism of action of the botulinum toxin?
What is the primary mechanism of action of the botulinum toxin?
Why are PFTs valuable in patients with MG?
Why are PFTs valuable in patients with MG?
What is the most common type of cancer associated with LEMS?
What is the most common type of cancer associated with LEMS?
What is the estimated percentage of patients who experience improvement with treatment?
What is the estimated percentage of patients who experience improvement with treatment?
What is a rare but serious adverse reaction associated with treatment?
What is a rare but serious adverse reaction associated with treatment?
What is the primary cause of myasthenic crisis?
What is the primary cause of myasthenic crisis?
In what type of unit should treatment for myasthenic crisis take place?
In what type of unit should treatment for myasthenic crisis take place?
What is a common therapeutic approach to hasten recovery in myasthenic crisis?
What is a common therapeutic approach to hasten recovery in myasthenic crisis?
Why should anticholinesterase drugs be temporarily stopped in myasthenic crisis?
Why should anticholinesterase drugs be temporarily stopped in myasthenic crisis?
