Clinicians caring for vulnerable babies in the neonatal intensive care unit (NICU) need to closely monitor their vital signs, but precisely gauging the function of their tiny hearts has remained ...

High output and low output heart failure refer to how much blood your heart pumps to your body with each heartbeat. In both cases, the output is not enough to meet your body’s needs. A diagnosis of ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you are an athlete in training or simply keeping tabs on your vitals, measuring your heart rate is a ...

We know that heart rate is an important indicator of overall health. Doctors check it to see if we have high blood pressure or arrhythmias like tachycardia (fast heart rate) and bradycardia (slow ...

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Using a chest strap heart rate monitor can give you accurate, actionable insights to help improve your running. What is the best chest strap heart-rate monitor overall? The best chest strap heart-rate ...

When it comes to exercising, your heart rate is the gold-standard metric to uncover how hard you're pushing. It tells you whether you're working aerobically or anaerobically, how your body is reacting ...

High output heart failure represents an uncommon type of heart failure that affects fewer than 1% of people seeking medical care for heart problems. Unlike typical heart failure where the heart pumps ...

Decreased cardiac output is when your heart can no longer pump enough oxygen to meet the demands of your body. A rapid heart rate is a common symptom, but there are others, too. Your heart is ...