Atrial fibrillation is the most common chronic arrhythmia. It is characterized by erratic atrial electrical activity with atrial rates of 400 to 600 beats per minute. The P wave is absent on the ...

Cardiac fibroblasts (CF) can become activated and produce excessive extracellular matrix, contributing to fibrotic remodeling ...

Mar. 30, 2025 — New findings indicate that while the rate of marathon runners who suffer cardiac arrests remained unchanged, their chance for survival is twice what it was in the past.

Nativity Scene Clipart Set Nativity scene clipart set with cartoon baby Jesus, Mary, Joseph and the three wise men in Bethlehem. virgin mary stock illustrations Virgin Mary with the Child Jesus ...