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.
About White Star Petroleum, LLC. White Star Petroleum, LLC, formerly American Energy â Woodford, LLC, is an independent oil and natural gas company focused on the acquisition, development, operation and production of unconventional oil and natural gas properties located in the Mississippi Lime and Woodford Shale plays in Central Northern Oklahoma. Release contains wide tables.