
A magnetic resonance imaging scan found insufficient blood circulation in her right cerebellum but no haemorrhaging.
Her Majesty has been put on intravenous medication and ordered to suspend all duties and rest for a brief period.
Royal physicians are monitoring her condition.
Prime Minister Yingluck Shinawatra, upon her return from Europe last night, immediately proceeded to the hospital and presented a bouquet to Her Majesty through Chirayu Isarangkun Na Ayuthaya, deputy secretary-general of the Royal Household Bureau.