When the impulses are properly synchronized, you have a normal heartbeat. Ventricular tachycardia occurs when the delivery of impulses is out of sync, causing the lower chambers to beat too fast. This ...

Feb. 3, 2025 — Maternal vitamin D levels in the first trimester were related to both prenatal growth and pregnancy outcomes, according to a new study. Low vitamin D levels during the first ...

Peter Spector, M.D.; Nicole Habel, M.D. iii Shorthand convention meaning "advances the timing of the subsequent atrial activation." iv Delivered during His refractoriness v The conclusions that we ...

Results from the SUMMIT trial suggest that tirzepatide is as effective in preventing heart failure events in those with ...