Case Report

Respiratory Failure in a 70-Year-Old Veteran

In Western countries the incidence of amyotrophic lateral sclerosis (ALS) is 1.89 per 100,000 per year and the prevalence is 5.2 per 100,000. The incidence of ALS is lower among African, Asian, and Hispanic ethnicities when compared to Caucasians. The mean age of onset for sporadic ALS is about 60…