Her Royal Highness Princess Maha Chakri Sirindhorn was admitted to King Chulalongkorn Memorial Hospital on Monday night for treatment of coronary artery disease.
The Princess developed chest pains and an irregular pulse before a medical team providing care recommended she be admitted to the hospital, the Royal Household Bureau said on Monday night.
A coronary angiography revealed narrowed sections in the heart's blood vessel but angioplasty was not required, it added.
Doctors recommended the Princess refrain from conducting functions and remain in hospital for a course of treatment, it said.
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angioplasty (n): a medical procedure to restore blood flow through an artery -
chest : the upper front part of the body of humans and some animals, between the stomach and the neck, containing the heart and lungs - หน้าอก
coronary artery : either of the two arteries that supply blood to the heart - หลอดเลือดแดงใหญ่ที่หัวใจ
irregular : not according to what is expected - ผิดปกติ
pulse (noun): the regular beat of blood as it is sent around the body, that can be felt in different places, especially on the inside part of the wrist; the number of times the blood beats in a minute - ชีพจร, อัตราการเต้นของหัวใจ, จังหวะการเต้นของหัวใจ
refrain : to stop yourself from doing something - ระงับ เลิก
Royal Household Bureau : an agency of the Monarchy of Thailand, responsible for the upkeep of the royal palaces, royal ceremonies, public relations and the management of the royal finances - สำนักพระราชวัง
vessel (noun): a tube that carries blood through the body of a person or an animal, or liquid through the parts of a plant - หลอดเลือด