Heart sounds are one tool providers use to assess heart health. Learn about systolic, diastolic, and S1 to S4 heart sounds in ...

However, if the stimulation signals are always applied when the heart is contracting (during systole), a strong effect can be observed—much stronger than if stimulation is applied during the ...

Researchers found that stimulation during heart contraction (systole) and inhalation phases produced the strongest results. The findings suggest that tailoring nerve stimulation to individual ...

The lab-grown hearts, called organoids, are made from human stem cells, and destroyed after 28 days. View on euronews ...