Electronic diaries for asthma

Abstract
EDITOR,—Hyland and coworkers have reported the successful use of hand held computers as electronic diary cards in asthma.1 Such devices greatly simplify data handling, and they record the time at which each entry was made. However, the use of a conventional type of computer may present problems for some patients. Pen based devices (Personal Digital Assistants, PDAs) provide an alternative that may be easier for many patients to use. We have developed an electronic …