Tag Archives: Breathlessness

Emphysema

Please note there is no audio for this animation. In emphysema exposure to an irritant over many years causes an inflammation in the lungs which causes the following changes: Loss of elasticity of the lungs. These changes cause the air sacs (alveoli) to close before you have fully exhaled. As a result, air gets trapped […]

Chronic Bronchitis

In chronic bronchitis exposure to an irritant over many years causes inflammation in the lungs which leads to the following changes: The smooth muscle in the airway becomes thicker and narrows the breathing tubes (airways). The narrowing is permanent and cannot be reversed. You may feel breathless because your lungs and muscles are working harder […]