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.
Customers donât necessarily need to go to a marketplace like ChooseEnergy to find a new natural gas plan. Utilities Nicor Gas, North Shore Gas and Peoples Gas run their own consumer choice programs where customers can switch suppliers through the utilitiesâ own websites.