A member asked:

What could cause someone to hear a knocking/clicking sound with each heartbeat in chest during quiet night in bed without a stethoscope? they stand upright, there's no noise anymore. moreover, their chest x-ray and ekg done few months ago is normal?

3 doctors weighed in across 2 answers
Dr. Hiep Le answered

Specializes in Nephrology and Dialysis

Pulsatile tinnitus needs to be ruled out.

Answered 7/7/2022

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Dr. Clarence Grim answered

Specializes in Endocrinology

Suspect you have a lung segment that is being bumped by heart with each heart beat. Trust Dr listened when supine or however you sleep and then upright.

Answered 7/6/2022

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