[Dyspnea, hypoxemia, and arrhythmia in a patient with cardiac pacemaker].
D000368:Aged; D002304:Cardiac Pacing, Artificial; D006332:Cardiomegaly / Q000473:pathology*; D005260:Female; D006349:Heart Valve Diseases / Q000473:pathology*; D006801:Humans; D008171:Lung Diseases / Q000473:pathology*
Disnea, hipoxemia y arritmia en una enferma con marcapasos.