Atrial tachycardia is a supraventricular tachycardia (SVT) that does not require the atrioventricular (AV) junction, accessory pathways, or ventricular tissue for its initiation and maintenance.
Page Content. Northern Natural Gas Company (Northern) is a subsidiary of Berkshire Hathaway Energy based in Omaha, Nebraska and has been in business since 1930. Northern owns and operates the largest interstate natural gas pipeline system in the United States.
In 2004 Teekay owned zero gas vessels. A decade later, we have ownership interests in 80+ vessels, with one of the worldâs largest Liquefied Natural Gas (LNG) and Liquefied Petroleum Gas (LPG) fleets.GP in partnership with its new joint venture, China LNG Shipping, will provide six LNG carrier newbuidings for the Yamal LNG project in Northern Russia.