Ask Mark -July-2014

    Ask Mark Don from Canada asks if the accuracy of a pulse oximeter is affected by movement. When he checked his readings about seven minutes into his walk, it read 88%, within 5 seconds of stopping it went to 92% and within 15 seconds was at 95%. Is this accurate, dropping and recovering…

Ask Mark – May 2014

Ask Mark … Sharon from New Mexico was recently hospitalized with a pneumo­ thorax and asks Mark to explain what caused it. Mark explains, A quick review of how the lungs work might help understand how a pneumothorax may occur, as well as what must be done to correct it and reduce chances of its…

Ask Mark – March 2014

Ask Mark Brian from COPD Canada (www.copdcanada.ca) asks Mark if there are recommendations for indoor environments or air filter use for people with COPD. Mark advises, Indoor air quality is an ongoing and difficult issue that affects folks very individually. Where one lives, the local and immediate pollutants, allergens and weather seem to contribute much…

Ask Mark …November-2013

    Ask Mark … Corrine has Interstitial Lung Disease and asks if taking predni­ sone would be of help to her. Mark says, Interstitial Lung Disease is thankfully a slow­ progressing disease. The problem is that it affects oxygenation pretty significantly and does not have much in the way of curative medications available to…

Ask Mark -July-2013

    Ask Mark Tom asks how low can you let your oxygen saturation drop before you get into trouble? Mark replies, That is a loaded question and not easily answered with a simple, straightforward response. A one­time drop in saturation will rarely cause any direct harm, in and of itself, as long as it…

Ask Mark … May 2013

Ask Mark … Gene from California comments he is continually losing weight and asks for Mark’s advice. Mark recommends, Daily calories you should consume are based on your age, sex and how active you are, but are approximately 1,800–2,200 per day. Those with COPD should consume up to 50% more calories per day to supply…