SKANEATELES FALLS, N.Y.--(BUSINESS WIRE)--Welch Allyn, a leading manufacturer of frontline medical products and solutions, today introduced Diagnosis 101, an online educational resource for medical school students just starting out on their quest to become physicians. The company’s microsite, www.welchallyn.com/diagnosis101, demonstrates the ins and outs of basic diagnostic procedures including ophthalmoscopy, otsoscopy, blood pressure measurement and auscultation in a fun, interactive environment.