Why may increased RBC levels been seen in COPD patients? Why may a patient with emphysema present with a barrel-chested appearance? Why may a patient with bronchitis present with cyanosis?
“Chronic obstructive pulmonary disease (COPD)” is a group of conditions typically characterized by the persistent airflow obstruction in the lungs. COPD patients generally suffer from emphysema (breathing problems) and chronic bronchitis. The medical term “emphysema” means a respiratory tract abnormality characterized by the overstretching of alveoli. Emphysema is a type of COPD. The COPD patients have characteristic difficulty in breathing out than breathing in. This is because of the structural damage caused to the lung structures.
The victims of emphysema are often called, “pink puffers.” In this, the pink color comes from the overproduction of red blood cells. The victims appear thin (due to muscle wasting), with a barrel-shaped chest.
The RBC levels increase in COPD patients because the hypoxia conditions trigger the erythropoiesis. The barrel-chested appearance is due to the enlarged lungs as the alveoli become overstretched and the lungs remain overinflated that keep the ribcage elevated all the time.
Cyanosis is a condition characterized by the blue coloration of the skin due to low oxygen levels. Bronchitis or the inflammation of bronchi causes narrowing of bronchial passage, so the oxygen levels decrease and lead to cyanosis.
Why may increased RBC levels been seen in COPD patients? Why may a patient with emphysema...
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