Longterm electrocardiographic monitoring of ambulatory patients with chronic airway obstruction.

Twenty-five patients with severe, chronic obshctive airway disease had standard 12-lead el and bngterm el-phic monitoring performed while they were in a stable condition. SCnndard ekdmcdidemonstrated a high incidence of e l e c t d o g r a p h i c abnomatith suggesHve of right venMc& hypertrophy and/or chronic pnlmoaary d ie ease, bat only 20 percent showed arrhythmbL In contrast, longterm eketroePrdiogrnphic monitoring demonstrated that 84 percent d the patients had some