Video: An asthma attack – Mayo Clinic

James J. Latham

When you’re not having asthma symptoms, your airways are very clear. Air can easily move in and out of your lungs.

When an asthma attack begins, the clean muscle groups all around the outside the house of the tubes could tighten. The airways, or bronchial tubes, in the lungs grow to be inflamed and swollen.

This would make it hard for air to move by means of the opening. The mucous membrane lining in the tubes begins to develop thick mucus, which builds up and further more blocks the airways.

This tightened airway could result in a wheezing sound and shortness of breath — signals and symptoms of an asthma attack.

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