the membrane is sensitive for sound collecting. 2.Aluminum alloy chest piece, good sound conduction. 3.Standard single PVC tubing, color is optional. Conditioned your kids and children to be a medical ...

Abstract: Three analytical models are developed for estimating the displacement of the basilar membrane in the human ear when the sound pressure at the eardrum is known. Frequency-domain data, derived ...

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Some hospitals have multiparameter monitors (NIBP, SpO 2, ECG, temperature, and capnography), while others do not and monitor children with SpO 2 and a precordial stethoscope. Invasive blood pressure ...

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The difference of 2 or 3 cm. in the position of the stethoscope bell and the pick-up bell for the phonocardiogram could account for this discrepancy. The pick-up bell is also of larger size than ...