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 2003, Total signed for a 30% stake in the gas exploration venture in the Kingdom of Saudi Arabia (KSA) â South Rub' al-Khali joint venture along with Royal Dutch Shell and Saudi Aramco. The stake was later bought out by its partners.