Author Archives: Nick Vannatta

Nick joined AMSR in 2007 and is the Lead Oxygen Specialist. He is factory-trained by Respironics, DeVilbiss, Inogen, Invacare, and SeQual. He is also certified to repair select oxygen concentrators and other sleep therapy products.

  • Using a Service Dogs while on Oxygen

    Having COPD can make life more challenging, even when it comes to everyday things and small tasks. If you need a little bit of help throughout the day, you might want to consider getting a service dog. They aren't just for the blind, even though that's what they're most commonly used for, and they are called "seeing eye dogs" to distinguish them from other types of service dogs for those with other medical needs and disabilities.

    Of course, you'll need to talk to your doctor and do some of your research before making a serious decision about getting a service dog.

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  • About Nick Vannatta

    About Nick Vannatta - AMSR Lead Oxygen Specialist

    Lead Oxygen Specialist

    Location: Centennial, Colorado
    Email: [email protected]
    Phone: 303-483-7158
    Favorite Team:

    Nick's Manufacturer Certifications

    • Respironics Certified
    • Inogen Certified
    • SeQual Certified
    • Invacare Certified
    • DeVilbiss Certified

  • Summary of Oxygen Concentrator Liter Flows

    The oxygen provided by home and portable concentrators is measured in LPM (liters per minute) for continuous flow or the equivalent thereof in ml/min (milliliters per minute) in pulse dose oxygen. If you require oxygen therapy, your doctor will prescribe you a given oxygen flow rate such as 2 liters per minute. An oxygen flow rate of 2 LPM means the patient will have 2 liters of oxygen flowing into their nostrils over a period of 1 minute. Oxygen prescriptions generally run from 1 liter per minute to 10 liters per minute with 70% of those patients being prescribed 2 liters or less.

    Continuous flow oxygen always flows from the cannula and never stops until the unit is turned off. Pulse dose oxygen is released in puffs of air, often referred to as a "bollus". Many portable models only have pulse dose settings, while some also offer continuous flow in lower settings.

    Below is a summary of various liter flows for home and portable oxygen machines.

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