Atrial tachycardia is defined as a supraventricular tachycardia (SVT) that does not require the atrioventricular (AV) junction, accessory pathways, or ventricular tissue for its initiation and maintenance.
Established in 1993, Genting Hong Kong already owns Asia-based Star Cruises and is a major shareholder of Norwegian Cruise Line Holdings, which owns Norwegian Cruise Line, Regent Seven Seas Cruises and Oceania Cruises. It's part of the Genting Group, a global hospitality and leisure company.
It has been owned by Carnival Corporation & plc since 1989. From 1873 to 1989, it was a Dutch shipping line, a passenger line, a cargo line and a cruise line operating primarily between the Netherlands and North America.