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Lung Compliance and Elastance : Physiology USMLE Step 1

📌 𝐅𝐨𝐥𝐥𝐨𝐰 𝐨𝐧 𝐈𝐧𝐬𝐭𝐚𝐠𝐫𝐚𝐦:-   / drgbhanuprakash   Join Our Telegram Channel HERE:- https://t.me/bhanuprakashdr Subscribe To My Mailing List:- https://linktr.ee/DrGBhanuprakash Lung Compliance and Elastance : Physiology USMLE Step 1 Lung compliance and elastance are two important properties of the lungs that determine how easily they can stretch and recoil in response to changes in pressure during breathing. Lung compliance refers to the ease with which the lungs can be stretched or inflated, and is defined as the change in lung volume that occurs in response to a change in transpulmonary pressure (the difference between the pressure inside the lungs and the pressure outside the chest). High lung compliance means that the lungs can easily expand and contract, while low compliance means that the lungs are stiff and difficult to inflate. Factors that can affect lung compliance include the elasticity of the lung tissue, the surface tension of the alveoli (tiny air sacs in the lungs), and the resistance of the airways. Elastance, on the other hand, refers to the tendency of the lungs to recoil back to their original shape after being stretched. It is defined as the change in transpulmonary pressure required to produce a given change in lung volume. High elastance means that the lungs are stiff and resistant to deformation, while low elastance means that the lungs are more compliant and easier to stretch. Elastance is largely determined by the elasticity of the lung tissue, which is in turn influenced by factors such as the amount of connective tissue in the lungs, the presence of inflammatory or fibrotic lung diseases, and the overall health and age of the individual. Both lung compliance and elastance play important roles in lung function and respiratory physiology. Changes in lung compliance and elastance can affect the work of breathing, the distribution of ventilation in the lungs, and the ability of the lungs to exchange gases with the blood. Disorders that affect lung compliance and elastance, such as chronic obstructive pulmonary disease (COPD), asthma, and pulmonary fibrosis, can have significant effects on breathing and overall health. #physiologylectures #physiologyvideos #physiology #fmge #fmgevideos #rapidrevisionfmge #fmgejan2023 #mbbslectures #nationalexitexam #nationalexittest #neetpg #usmlepreparation #usmlestep1 #fmge #usmle #drgbhanuprakash #medicalstudents #medicalstudent #medicalcollege #neetpg2023 #usmleprep