Heart beat, EKG graph on a green chalkboard.

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Size: 4283px × 3064px
Photo credit: © Igor Stevanovic / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: background, beat, black, blank, board, cardiac, cardiogram, cardiology, chalk, chalkboard, ecg, education, ekg, empty, green, health, healthcare, healthy, heart, heartbeat, hospital, illustration, isolated, medical, medicine, monitor, monitoring, rhythm, school, signal