A client with chronic obstructive pulmonary disease (COPD)demonstrates a consistently low pulse oximetry value.The nurse notes a ruddy facial color with purple undertones and recognizes the effects of which elevated blood levels?

Question

Quizplus · Accepted Answer

The ruddy facial color with purple undertones is likely due to erythrocytosis, or an elevated red blood cell count. This condition is a common complication of COPD due to chronic hypoxemia, which stimulates the production of erythropoietin and subsequent increases in red blood cell production. The elevated red blood cell levels can cause a bluish or purple discoloration of the skin (cyanosis) and can also affect pulse oximetry readings by giving a falsely elevated value.

A Client with Chronic Obstructive Pulmonary Disease (COPD)demonstrates a Consistently