MDF® ProCardial C3 Cardiology Stainless Steel Dual Head Stethoscope with Adult, Pediatric, and Infant-Neonatal Convertible Chestpiece Overview The patented MDF® ProCardial™ C3 Stethoscope stands alone among all cardiology stethoscopes. With the six included conversion attachments, this stethoscope can be easily transformed into nine different configurations, including a complete adult, pediatric, or infant cardiology stethoscope. Constructed from premium-grade stainless steel, the ProCardial™ C3 delivers accurate auscultation of heart, lung, and Korotkoff sounds with acoustic integrity and clarity so healthcare professionals can provide comprehensive care to all patients using just one stethoscope. An ergonomic design ensures comfort for the doctor and patient, even during extended use. The ProCardial™ C3 is the most versatile diagnostic instrument in the industry, with unmatched performance, durability, and craftsmanship. (Pat. no. 201120200178.2).