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How do I stop my stomach from making noises during exams? 

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Listening to heart sounds during physical exams can offer useful clues to the presence of cardiac disease.
Majority of the medical students experiences some level of anxiety during exams and used various coping mechanisms to deal with stress.
However, ECG recordings often have interference from noises including thermal, muscle, baseline and powerline noises.
This means that both these approaches for making noises more comfortable to listen to are most effective for continuous stationary noises.
Spoken responses produced by subjects during neuropsychological exams can provide diagnostic markers beyond exam performance.
Results show that the proposed method can provide reliable prediction of main acoustic noises during acceleration.

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