Heart Rate News and Research

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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.

Study finds ways to improve detection of blood clots in the lung

Largest study ever conducted to assess the role of contrast-enhanced multidetector computed tomographic (CT) angiography for diagnosing pulmonary embolism.

5 Jun 2006

Misuse of ADHD drugs sends thousands each year to seek emergency hospital treatment

Scientists at the U.S. Centers for Disease Control and Prevention (CDC) have estimated that problems with the drugs used to treat attention deficit disorders force as many as 3,100 people to seek emergency hospital treatment each year.

25 May 2006

Cannabis effective at relieving pain after major surgery

A cannabis plant extract provides pain relief for patients after major surgery such as knee replacements, a study by Imperial College London and the Medical Research Council has shown.

17 May 2006

Role of acetaminophen in acute myocardial infarction

Acetaminophen is safe to use as a pain reliever and fever reducer after a heart attack, but it does not protect the heart muscle, a new study using sheep and rabbits concluded.

16 May 2006

Ability to complete quarter-mile walk a powerful predictor of health outcomes in elderly

Walking fitness makes a significant difference in predicting the likelihood of future disability in the elderly, according to a study published today in the Journal of the American Medical Association.

2 May 2006

Study shows drugs work differently in the brains of men and women

A Johns Hopkins discovery could lead to tailored treatments for drug abuse and neurological diseases after providing what is believed to be the first evidence in people that amphetamines have a greater effect on men's brains than women's.

24 Apr 2006

New orthostatic hypotension treatment reduces symptoms without causing high blood pressure

A drug traditionally used to treat myasthenia gravis shows potential benefit for reducing symptoms of orthostatic hypotension without raising blood pressure when people lie down, according to results of a double-blind, controlled clinical trial.

19 Apr 2006

Healthy lifestyle changes reduce high blood pressure

Men and women with elevated blood pressure who make healthy lifestyle changes and sustain them for up to a year and a half can substantially reduce their rates of high blood pressure and potentially decrease their heart disease risk.

6 Apr 2006

If you're middle age and sleep five or less hours a night, you may be increasing your risk of developing high blood pressure

"Sleep allows the heart to slow down and blood pressure to drop for a significant part of the day," said James E. Gangwisch, PhD, lead author of the study and post-doctoral fellow in the psychiatric epidemiology training (PET) program at the Mailman School.

4 Apr 2006

Cortisol helps people overcome phobias

Researchers from the University of Zurich are suggesting that a dose of the stress hormone cortisol may help people overcome phobias.

29 Mar 2006

Study identifies patients at risk for sudden cardiac death

Researchers have found a more accurate way to tell which children and teenagers are likely to be among the thousand or so who suddenly die each year in the United States from genetic heart conditions that cause arrhythmia

21 Mar 2006

Some soft drinks exceed governmental caffeine recommendations

Some carbonated sodas and energy drinks are loaded with caffeine and can give an unhealthy pick-me-up to unsuspecting consumers, University of Florida researchers warn.

20 Mar 2006

Use of high humidity does not improve symptoms of croup

For children with moderate to severe croup treated in the emergency department, use of high humidity did not improve symptoms more than low humidity or mist therapy, according to an article in the March 15 issue of JAMA: The Journal of the American Medical Association.

15 Mar 2006

Taking medications to lower blood pressure may be associated with a lower incidence of Alzheimer's disease

Taking medications to lower blood pressure, particularly those known as diuretics, may be associated with a lower incidence of Alzheimer's disease, according to a study in the May 2006 print issue of Archives of Neurology.

15 Mar 2006

Filter more effective than diuretics for heart failure

Researchers in the U.S. say that filtering the blood works better than diuretic drugs to remove excess fluid in patients admitted to hospital for heart failure.

13 Mar 2006

Mental stress induced ischemia more common than thought

Even when heart disease patients can pass stress tests done on a treadmill or with chemical stressors after treatment, their hearts may still suffer silent ischemia during mental stress, according to a new study in the Mar. 7, 2006, issue of the Journal of the American College of Cardiology.

13 Mar 2006