Barrel chest generally refers to a broad, deep chest found on a man. A man described as barrel chested will usually have a naturally large ribcage, very round torso, and will often have lots of upper body strength.^{[citation needed]}

Barrel chest also refers to an increase in the anterior posterior diameter of the chest wall resembling the shape of a barrel, most often associated with emphysema. There are two main causes of the barrel chest phenomena in emphysema. 1) Increased compliance of the lungs leads to the accumulation of air pockets inside the thoracic cavity. 2) Increased compliance of the lungs increases the intrathoracic pressure. This increase in pressure allows the chest wall to naturally expand outward.

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[edit] See also

• Barrel
• Respiratory examination

[edit] References

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