What is RA? RA is a chronic polyarticular inflammatory arthritis that involves not only small joints of the hands and feet but also systemic organs. Pathologic change: chronic synovitis with pannus (血管 翳)formation
Background Sedative-hypnotics are a group of drugs that cause CNS depression. Benzodiazepines (BZD) barbiturates nonbarbiturate nonbenzodiazepine sedativehypnotics (NBNB) the most commonly used agents
Background Carbon monoxide (CO) is a colorless, odorless gas produced by incomplete combustion of carbonaceous material CO is formed as a by-product of burning organic compounds