Heart Rate Variability: What It Is, How to Track It and What It Means for Your Health

Fitness trackers and smart watches are widely popular wearable devices that measure several types of health metrics, including step count, calories burned, sleep quality, Vo2 max and heart rate.
Medscape

Interhospital Variability in STEMI Leads to Differences in Treatment Times, Patient Outcomes

When it comes to delivering timely treatment for patients experiencing myocardial infarction (MI), many hospitals are continuing to fall short of national guidelines, new research showed. Benchmarks ...
European Medical Journal

AI Echocardiography Predicts Mortality in Pulmonary Hypertension

AI echocardiography using multimodal right ventricular assessment predicted mortality in pulmonary hypertension. Learn more.
Medscape

Baseline Heart Rate Variability and Age Predict taVNS Response

A post hoc analysis found that the effect of transcutaneous auricular vagus nerve stimulation (taVNS) on cardiac and inflammatory stress responses was critically dependent on variability in baseline ...
EurekAlert!

Variability in heart rate during sleep may reveal early signs of stroke, depression or cognitive dysfunction, new study shows

(Helsinki, Finland, Saturday, 21 June 2025) New research, presented today at the European Academy of Neurology (EAN) Congress 2025, has uncovered a powerful link between nighttime heart rhythm and ...