Dr. Myerburg answers the question: 'How Do Pacemakers Know To Pace Faster?' — -- Question: How do pacemakers know when I need a faster heart rate, for example when I am exercising or anxious?

Researchers conducted a multicenter, randomized, open-label, controlled trial in 196 intensive care unit (ICU) adult patients with septic shock and persistent tachycardia at 20 sites in seven European ...

Slower heart rate recovery before PCI independently predicts periprocedural myocardial infarction and may improve cardiac risk assessment.

Heart rate recovery (HRR) is the capacity for the heart to return to its natural rate after elevation. It generally measures how quickly the heart rate decreases after exercise. Someone’s heart rate ...