What causes high co2 in blood?

Poor ventilation: When we breath, fresh oxygen is exchanged for CO2. This is ventilation. CO2 is a toxin that builds up in your blood as a result of your bodies metabolism. When we can't breath fast, deep, or efficiently enough to ventilate the CO2. COPD, (i.e. emphysema & chronic bronchitis), due to smoking is a common cause of a rise on the CO2,

COPD, obesity,sleep : is pt a smoker? does she have COPD? is she obese? does she snore and have daytime sleepiness? needs to see her PCP

High Co2: Well this is a tough question because interpreting high Co2 level without knowing the blood PH, bicarbonate (sodium bicarbonate) level could be misleading. But High Co2 could be due to CO2 retention due to lung disease like COPD, Asthma, injury to the chest and ribs. Also sometimes it's a compensation mechanism when the bicarbonate (sodium bicarbonate) level for various reason is elevated. Hope this helps.

High CO2: your lungs and kidneys remove CO2 from the body. If CO2 elevated want to check out kidney and lung function. Hope this helps. Best of luck. Dr R

Lets review your que: It is usually caused by hypoventilation. It is seen in COPD patients. COPD patients on oxygen especially with an acute exacerbation resulting in decreased ventilation and proper air exchange, the co2 level can rise causing mental status changes

Many causes: The 3 main organ systems that significantly alter CO2 levels (bicarbonate (sodium bicarbonate) (sodium bicarbonate (sodium bicarbonate)) level when dissolved in blood for transport) include pulmonary, renal, and gastrointestinal. COPD, asthma, severe vomiting, medications, etc. can all cause bicarbonate (sodium bicarbonate) issues. Best thing to do here is to get in person advice for assessment of underlying disfunction and treatment.

Lung disease: Most commonly due to lung disease. Sometimes diuretics may cause increase in CO2 (Lasix (furosemide) or Demadex)