A patient with a family history of amyotrophic lateral scler…

A patient with a family history of amyotrophic lateral sclerosis (ALS) begins to have symptoms that include asymmetric weakness in the arms and difficulty walking. The neurologist recognizes these symptoms as characteristic of involvement of which portion of the nervous system?

A previously healthy 30-year-old patient is brought to the e…

A previously healthy 30-year-old patient is brought to the emergency department with signs of stroke. Diagnostic testing determines an ongoing ischemic cause. The patient’s spouse reports that symptoms began approximately 2 hours prior to transport. What is the recommended treatment?