Perhaps the most important aspect of a physician’s role is our diagnostic capabilities. Truly, if we cannot identify and diagnose a patient’s pathology with reasonable accuracy, we cannot effectively treat them and may even cause greater harm. Let’s look back. The year is 1816, and you are a physician evaluating a patient with shortness of breath. The common practice of the time was direct auscultation by placement of the practitioner’s ear on the patient’s chest.