Heart Rate News and Research

RSS

Heart rate is determined by the number of heartbeats per unit of time, typically expressed as beats per minute (BPM), it can vary with as the body's need for oxygen changes, such as during exercise or sleep.

What makes us shiver?

Researchers at Oregon Health & Science University's Neurological Sciences Institute have uncovered the system that tells the body when to perform one of its most basic defenses against the cold: shivering.

18 Dec 2007

New drug that cuts risk of cardiovascular disease shows promise

The first clinical trial of a new kind of drug to cut the risk of cardiovascular disease has been found safe and effective at dropping levels of "bad" low density lipoprotein (LDL) cholesterol by as much as 40 percent.

18 Dec 2007

New minimally invasive procedure for torn aorta repair

Tears in the aorta which affect thousands of people each year coast to coast, may soon be treated with a much less invasive technique that could dramatically improve patients' chances of survival.

13 Dec 2007

New minimally invasive method to repair tears in the aorta

Tears in the aorta which affect thousands of people each year coast to coast, may soon be treated with a much less invasive technique that could dramatically improve patients' chances of survival.

10 Dec 2007

Simple two-in-one test signals high risk after a heart attack

Everyone loves a two-fer, but a two-in-one heart test that has the potential to save lives is the real deal.

4 Dec 2007

Study shows how men and women differ in their neural responses to psychological stress

According to a study that appears in the current issue of SCAN (Social Cognitive and Affective Neuroscience), researchers at the University of Pennsylvania School of Medicine discuss how men and women differ in their neural responses to psychological stress.

20 Nov 2007

Survey shows perceptions of stress among pathology residents

Researchers from Boston University School of Medicine (BUSM) conducted a nationwide survey to identify stressors perceived by pathology residents. The survey appears online in the December issue of the American Journal of Clinical Pathology.

16 Nov 2007

Heart rate patterns before birth provide clues to children's later development

Variations in heart rate patterns provide information on how the nervous system functions in adults and children. Obstetricians have long considered heart rate patterns to be important indicators of fetal well-being during the prenatal period as well as in labor and delivery.

16 Nov 2007

High energy drinks may be dangerous for some

A study by researchers in the U.S. has found that for some people high energy drinks may be dangerous.

13 Nov 2007

Energy drinks raise blood pressure

Downing an “energy drink” may boost blood pressure as well as energy, researchers said in a small study presented at the American Heart Association's Scientific Sessions 2007.

6 Nov 2007

Link between sleep apnea and increased heart rate variability

A sleep-related breathing disorder, common in heart failure, increases one's heart rate variability.

2 Nov 2007

Breakthrough reveals important human receptor structure that will aid drug development

Scientists at the MRC Laboratory of Molecular Biology (LMB) in Cambridge have obtained the first clear images of the proteins that relay vital messages to cells.

22 Oct 2007

Medsafe warns of "natural health" hazards

The New Zealand Ministry of Health's medicines and medical devices regulator Medsafe is warning New Zealanders to be aware of what they're buying when shopping for herbal remedies, following charges brought against a Chinese herbalist in Auckland.

19 Oct 2007

Mental disorders are disorders of the brain

Depression, anxiety disorders such as panic disorder and obsessive-compulsive disorders, alcohol and drug dependence, dementia and Parkinson's disease are just a few examples of "disorders of the brain".

17 Oct 2007

Modafinil effective treatment for excessive sleepiness

A study published in the October 15 issue of the Journal of Clinical Sleep Medicine (JCSM) finds that modafinil is well-tolerated in the treatment of excessive sleepiness associated with disorders of sleep and wakefulness such as shift work sleep disorder, obstructive sleep apnea (OSA) and narcolepsy, and does not affect cardiovascular or sleep parameters.

16 Oct 2007

Siestas and heart health

Where does the benefit lie in an afternoon nap? Is it in the nap itself--or in the anticipation of taking a snooze? Researchers in the United Kingdom have found that the time just before you fall asleep is where beneficial cardiovascular changes take place.

16 Oct 2007