A precordial overlay is configured for precise electrode placement on a patient as part of an electrocardiographic test. It is especially useful by emergency medical personnel who are often called upon to obtain an ECG. The precordial overlay has an elongated band having a first generally rectangular-shaped...http://www.google.es/patents/US5995861?utm_source=gb-gplus-sharePatente US5995861 - Precordial overlay for positioning electrocardiograph electrodes
Precordial overlay for positioning electrocardiograph electrodes