atony
Noun
Meaning
Want of tone; weakness of the system, or of any organ, especially of such as are contractile.
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Horses and other herbivorous ungulates can sleep while standing, but must necessarily lie down for REM sleep (which causes muscular atony) for short periods.
Patients who have recently undergone an intact D&E are monitored for signs of coagulopathy, uterine perforation, uterine atony, retained tissue, or hemorrhage.
In cases of uterine atony and corresponding blood loss, methergine or misoprostol can be given to encourage uterine contraction and achieve hemostasis.