cardiology, chromosomes, computer chip, couple, digital, DNA, Doctors Office, ECG, EKG, EKG/ECG/electrocardiogram, elderly, Elders, emergency care, emergency room, Emotions, genetic engineering, genetic research, genetics, genetics research, gloves, health care, healthcare, heart monitor, hope, hospital, husband and wife, husband&wife, Illustrations, intensive care unit, microscope, old age, open heart, operating room, operation, photo montage, Portraits, pulse, Relationships, research, rubber gloves, scrub, scrubs, senior, seniors, surgeon, surgery, Symbols, teamwork, Themes/Issues, Tools/Technology, trusted