Posted inDr. Roach

Heart murmurs, explained

DEAR DR. ROACH: I read your recent column regarding asymptomatic atrial fibrillation. How does this differ from having a heart murmur? I have had a murmur for about 25 years, though it was not fully diagnosed until three years ago during an unrelated emergency room visit. Until recently, the murmurs were getting worse. Other than […]

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Posted inDr. Roach

The mysterious mechanics of COPD

DEAR DR. ROACH: I have COPD, and my doctor explains that the trouble is that my lungs do not expel the full amount of the breath I take in. This prevents the full oxygen intake from my breath. My question is, Do commercial oxygen generators serve any purpose if the full amount of oxygen supplied […]