ECG/EKG Rhythm Pocket Card: Horizontal and Vertical Option, Nursing, Badge Pocket Card. Packed with essential rhythms, this double-sided card offers unparalleled convenience Materials: The ekg badge card crafted from durable, waterproof plastic and boasting the thickness of just half a credit card, it's light enough to effortlessly attach to your badge reel Essential Information: Contains information frequently used in clinical practice. These double sided EKG rhythm interpretation cards can support learning rhythm but also serve as a quick reference guide in a demanding work situation Versatile Design: The EKG badge card set includes both horizontal and vertical features to suit your preference. Content is descriptive, simplified, and neatly designed for quick reference Thoughtful Gift: EKG Caliper Measuring Tool for Nursing; These cards mean that learning pace will be easier and you can better cope with question