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.
KN Energy became Kinder Morgan, Inc. (NYSE: KMI), Kinder Morgan's second publicly traded company. Today KMI owns 50 percent of and operates NGPL. A third publicly traded Kinder Morgan company was formed in 2001 - Kinder Morgan Management, LLC (NYSE: KMR) - to facilitate institutional ownership of KMP equity.