An old (-er, I mean experienced) pediatric cardiothoracic surgeon once told me, “The heart is not a music box, it is a pump, why should I use a stethoscope to listen to it?” An experienced neurosurgeon once told me, “Neurologists are the tool we used to use before the CT scan” and a critical care intensivist friend has reminded me several times of the value of a stethoscope when you have arterial blood gases, central venous pressure monitoring, and ventilator settings you can adjust for optimum care.