The original, patented MDF 740 Pulse Time Stethoscope, integrated with a digital timing device, enables medical professionals to maintain eye contact with patients during diagnosis while monitoring elapsed time. The MDF 740 provides professionals with a more efficient and patient-friendly method of measuring vital signs. U.S.A. PAT. NO. 5252787This innovative and patented Pulse Time stethoscope has a liquid-crystal analog (LCA) quartz timepiece equipped on top of the integrated bowels-type chestpiece. The advanced chestpiece is made of lightweight anodized aluminum and the diaphragm is fitted with the unique, raised, ultra-thin fiber diaphragm for greater amplification and transmission of heart and lung sounds.