Archive | Lung physiology | Breathinstephen

Double Whammy Asthma

Filed under Air-trapping, Asthma, Dyspnea, lung anatomy, Lung physiology, pulmonary fibrosis, Shortness of Breath by Stephen on July 15, 2010 at 8:52 am {no comments}

I often find it frustrating that here I am, a life long asthmatic, a Respiratory therapist and an asthma educator, yet still unable in normal conversation, to describe what makes my type of asthma so different from others. When asked to define asthma in general, I usually give the spiel about how asthma is an [...]

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There’s a lot going on in our small airways

Filed under lung anatomy, Lung physiology, Misc by Stephen on May 24, 2010 at 4:44 pm {5 comments}

You’ve probably heard me talk about the “small airways” in our lungs, but you might be surprised on just how small they actually are. Here’s a color enhanced photo of the inner surface of our smallest airways taken with a scanning electron microscope. The hollow cavities you see are the alveoli ,this is where the [...]

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