It's healthy to know your numbers. Learn about resting and maximum heart rates, exercise targets, and when to consult a ...

The AirPods Pro 3 just dropped to $219 on Amazon, down from the $249 retail price, and while $30 might not sound dramatic, ...

Invasive epicardial coronary physiologic assessment is increasingly performed to evaluate the hemodynamic significance of intermediate coronary lesions and is recommended by guideline committees.

A federal jury in California has sided with Masimo in a patent battle with Apple over Apple Watch’s blood oxygen feature. The jury awarded Masimo $634 million in damages and concluded that Apple ...

Readers respond to a front-page article about fetal heart monitoring and C-sections. Also: When Shirley MacLaine was the ...

Drinking 1 cup of caffeinated coffee a day might help lower a person's risk of recurrent AFib episodes by as much as 39%, a ...

Health, maker of the sleek ring that tracks sleep, stress, and fitness, has formally petitioned the FDA for clearance to ...

Round-the-clock fetal monitoring leads to unnecessary C-sections. But it’s used in nearly every birth because of business and ...

Background: Heart failure with preserved ejection fraction (HFpEF) frequently co-occurs with chronotropic incompetence (ChI), impairing the heart's ability to appropriately increase its rate during ...

Abstract: Heart rate recovery (HRR) is a critical indicator of cardiovascular fitness and autonomic nervous system function, reflecting the balance between sympathetic and parasympathetic activity.