I'm trying to understand the difference between obstructive sleep apnea and central sleep apnea. What's the main factor doctors look at when diagnosing these? I'm just a bit worried about mixed symptoms that I might have.

Answered by 1 Apollo Doctors

Dr Dr Khaleel Ur Rahim

General Practitioner

MBBS
1+ Yrs

Consult Now

Pulmonary function test (PFT) is advised to the patient.Also central sleep apnea is less common .There is block in the airway in obstructive sleep apnea , in central sleep apnea brain signals to the muscles of breathing is blocked.

Dr. Dr Khaleel Suggests...

Consult a Pulmonology Respiratory Medicine Specialist

Find a Pulmonology Respiratory Medicine Specialist

Answered 04/07/2025

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I've been coughing up black mucus for the last 15 days after I first started having COVID-19 symptoms. Should I be worried about this, or is it a common thing that happens as you recover?

u don't worry

Answered by 1 Apollo Doctors

Is it true that 90% of our lungs can get damaged just from carbon molecules without them even doing anything? I'm kind of worried about what this means for overall lung health and how we can protect ourselves from this damage. Any advice on how we can prevent this or keep our lungs in better shape?

Yes ,Carbon monoxide can cause lung damage by preventing oxygen from reaching the blood-stream.

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I've been taking antibiotics for a couple of weeks, and I noticed the lung nodule looks smaller in my recent CT scan from last month. Does this mean it's more likely to be benign rather than malignant? And should I continue with antibiotics to see if the nodule disappears completely? Any idea how long that might take?

it might be infected beingn nodule

Answered by 1 Apollo Doctors

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Disclaimer: Answers on Apollo 247 are not intended to replace your doctor advice. Always seek help of a professional doctor in case of an medical emergency or ailment.