The University of Arizona

Trina D Hughes

Frank I Marcus

Methods and devices for identifying the 4and the 5intercostal spaces for the purpose of proper placement of ECG precordial leads, regardless of the patient's height and/or weight. By calculating the sternal length, the distance between the sternal notch and the xiphoid process, the locations of the 4and 5intercostal spaces can be determined. The present invention also features devices for measuring the length and to indicate to a user the location of the 4and 5intercostal spaces based on the measured sternal length. The methods and devices provide a more accurate identification of the 4and the 5intercostal spaces resulting in proper ECG lead placement, which then facilitates accurate ECG interpretation.

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Tucson, AZ, United States of America

Trina D Hughes