betabloqueantes (v.
fig. 32-27 ). El paciente comenzó a delirar y a desa-
rrollar disnea. Se trató con diuréticos por vía intravenosa y una infu-
sión lenta de concentrados de hematíes.Veinticuatro horas después de
la cirugía, los cambios isquémicos electrocardiográficos regresaron
hasta valores casi normales, aunque la troponina sérica T aumentó hasta 0,64ng/ml y se mantuvo elevada durante otros 5 días.
Este caso singular demuestra que el IM postoperatorio
puede aparecer como consecuencia de una isquemia con des-
censo del ST inducida por un estrés prolongado, en presencia
de una coronariopatía estable, con una oclusión coronaria cró
nica total de una arteria y sin ruptura de la placa de ate-
roma.
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Sección III
Control de la anestesia
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