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To the Editor:—
Precordial stethoscopic monitoring is a valuable adjunct in pediatric anesthesia management; however, maintaining the usual style chest piece in proper contact with the chest wall during surgical gymnastics (without the dangers of dislodgement or of producing an area of pressure ischemia to the underlying skin) has always been a problem.With the advent of the stethoscope transducer, I have been gratified with the results of the following refinement of this technique, ie, apply a coat of compound tincture of benzoin and allow it to dry for a few moments; then attach a pediatricsize stethoscope transducer over the left nipple area so both respiratory and cardiac sounds are plainly audible (Fig 1). The stethoscope transducer will adhere tightly to the skin without danger of pressure damage. As further insurance against movement of the stethoscope transducer, surgical tape can be used to reinforce the application (Fig 2). The intimate
Daly WM, Special R. Pediatric Anesthesia Monitoring. JAMA. 1968;205(10):704. doi:10.1001/jama.1968.03140360064023