Tag: "rhythms" at medical news
Do Deaths Of Babies From Birth Asphyxia Vary Depending On When They Are Born?
...ned to avoid the excessive disruption of circadian rhythms
(upsetting the body clock) and consequent fatigue. Stewart et al conclude that greater supervision by senior staff may be required at night and during summer months, Contact: Dr Patrick Cartlidge, Senior Lecturer in Child Health, Department of Chil...
"Happy Hour" Is Unhappy For Many Cardiac Arrest Victims
...is a phenomenoncalled circadian rhythm. Circadian rhythms
are tied to the 24-hour cycle of theearth's rotation and are possibly a result of changing amounts of light anddarkness as a day progresses. The explanation for the morning peak may be that chemicals that stimulate theheart are at higher levels in ...
Discovery: Experiments Confirm Novel Eye Pigment Controls Circadian Rhythm
... Cancer experts want to know more about such rhythms
because bothbeneficial and side effects of anti-cancer drugs can depend on what time of daythey are administered, he said. He and colleagues found evidence of the newpigment widespread in body tissues including skin and brain. Daily light-dar...
Research Links Healthy Biological Clock To Longevity
...y 20 per cent, proving the importance of circadian rhythms
to the health andlongevity of an organism. Once the biological clock of a hamster begins to deteriorate, death occurswithin three months. However, when University of Toronto psychologist MartinRalph transplanted a new clock into hamsters whose own cl...
Cure For Abnormal Heart Rhythm Available To More People
...ormal heart tissue responsible for irregular heart rhythms
may permit moreindividuals to benefit from the pro...ffective in controlling the seriousirregular heart rhythms
called atrial tachycardia. While not immediatelydangerous to most patients, this abnormal rhythm im...
Light alcohol use may protect against sudden cardiac death
... alcohol ina brief period -- causes abnormal heart rhythms
that can lead to sudden cardiacdeath. "Based on the data, I wouldn't recommend that non-drinkers start drinking. Onehas to consider all the risks and benefits of drinking alcohol," Albert says. "You don't know how likely a person is to become addict...
Northwestern researchers present findings at Neuroscience Meeting
...s in youth.This may help explain why the circadian rhythms
of many species of animals,including humans, funct... andall the mice exhibited a change in their daily rhythms
(e.g., exercise andactivity-rest cycle) when older. However, the mice with a mutated Clock geneshowe...
UNC-CH study finds N.C. outpatient heart rehabilitation programs mostly under-used
...s who offer counseling and often can monitor heart rhythms
over the telephone, she said. Patients need to check with their health maintenance organizations or insurance carriers and doctors to find out whether outpatient cardiac rehabilitation is covered by insurance....
Dialysis patients can avoid serious complications by using medication that normally treats low blood pressure, Yale researcher reports
...n life-threatening symptoms such as abnormal heart rhythms
and diminished blood supply to the heart and brain. These side effects often cause patients to stop treatments. Perazella said that most medications used to treat IDH in the past have been either modestly effective or poorly tolerated. IDH occurs mos...
Brown researchers find new photoreceptor and visual system in the eye
...nes do not work can still adjust their biological rhythms
to match the day and night of the external world. There is a strong likelihood that there are identical cells in humans, Berson said. This could explain why certain people who are functionally blind due to retinal degeneration continue to set their b...
Cycled light promotes growth in pre-term infants
...," said Brandon. "We know adults rely on circadian rhythms
for health, growth and development, and pre-term b...is one method that we can use to promote circadian rhythms
for these infants and encourage growth and healthy sleep patterns." Researchers from the schools of...
Patients who need cardiac resynchronization therapy may be eligible for Cedars-Sinai clinical trials
...tor (ICD) has proven ability to detect these fatal rhythms
and provide intervention in the form of a shock to restore normal rhythm. The ICD has demonstrated efficacy in reducing the incidence of death in patients with advanced congestive heart failure. We have been providing state-of-the-art defibrillator t...
Implantable heart device reduces deaths by one-third
...an electrical malfunction due to rapid and chaotic rhythms
from blockage of coronary arteries or scarring fro...eart beat. Certain drugs can also trigger abnormal rhythms
and death. Those who could benefit the most from an implantable defibrillator may not know they are ...
Implantable defibrillators cost-effective for preventing sudden death
...ectrical shocks to the heart to eliminate abnormal rhythms
such as ventricular fibrillation or ventricular tachycardia. In the Antiarrhythmics Versus Implantable Defibrillators (AVID) trial, the device was shown to be superior to therapy with antiarrhythmic medications for reducing all causes of death in su...
Exposure to light and sleep pattern alteration
...ply awakened for four hours each night. Circadian rhythms
were measured by fluctuations in core body temperature and in levels of serum melatonin, a hormone believed to play a role in the circadian rhythm. According to Balgalore, Our results indicate that a single pulse of bright light lasting just two ...
Physics tip sheet #11 - May 1, 2002
1) Experimental control of heart rhythms
G. Hall and D. Gauthier Physical Review Letters (Print issue: May 13, 2002) Alternans is a periodic heart rhythm that can cause fibrillation and heart attacks. An experimental study in bullfrog hearts showed that alternans was reliably suppressed and...
Memory isn't 'lost,' just out of sync
... to looking at mechanisms of memory via electrical rhythms
raises a whole series of questions about how the b...ppearance and name. By measuring the electrical rhythms
that parts of the brain use to communicate with each other, the team of researchers showed that when...
Special Fulbright awarded to Vanderbilt ethnomusicologist
...ally popular music and dance forms use the dynamic rhythms
to attract a crowd in small villages and then rely on straightforward, often graphic, lyrics to de-stigmatize HIV, debunk myths and overcome sexual and religious taboos. We can learn a lot from their example, he said. More information on Barz researc...
Buszaki neuroscience research published in current journals 'Science' & 'Nature'
...y information." Buzsaki's research found that the rhythms
a neuron may play are not random, "but obey certai...e said the new findings provide clues to how brain rhythms
assist brain cells to represent information in the temporal domain, similar to melodies played on a ...
Insight into how the body tells time
... 200 of the flies' 14,000 genes showed significant rhythms
of gene expression in normal flies living in a daily light-dark cycle. Of these 72 genes, 22 continued to fluctuate when flies were collected after three days of complete darkness. This implies that these 22 genes are driven by the internal, circadia...
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