Conversation: The conversation between human and AI assistant.
[|Human|] hi I was diagnosed with copd my arterial blood test showed that I have a 98 o2 level . 5 months ago I had pneumonia and went into cardiac arrest in the er could that be the reason I went into cardiac arrest im 50 years old female and had 100% blockage of my rca
[|AI|]  Hi, as what I understand we are dealing with two Co existing conditions, COPD affecting your lung and RCA block as you say affecting your heart, mostly pneumonia must have predicated a COPD elaboration which would have brought your oxygenation down temporarily leading to arrest, if as you that point of time arterial sample had normal oxygenation, we should think of some arrhythmia which can cause cardiac arrest because of ischemia heart, however in most possibility pneumonia may have precipitated arrhythmia.  I do suggest heart check up and appropriate meds for heart and COPD to be taken religiously, also lifestyle precautions, immunization to prevent recurrence of another infection should be top priority Regards Chat Doctor.