Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Heart pacing -- SEE: Cardiac pacing 1 Heart patients -- SEE: Heart -- Diseases -- Patients 4 Heart -- Physiology. 1 Heart -- Physiology -- Congresses. 1 Heart -- Physiology -- Juvenile literature. 1 Heart rate monitoring -- SEE ALSO narrower term: Fetal heart rate monitoring 2 Heart -- Religious aspects 2 Heart -- Sounds 8 Heart -- Sounds -- Juvenile literature. 1 Heart surgeons 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >