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Rhythms in Medical News

Molecular partnership controls daily rhythms, body metabolism

... a key molecular partnership that coordinates body rhythms and metabolism. Lazar and his colleagues, ... night, and the most well-known of these circadian rhythms is the sleep-wake cycle. Abnormal sleep patterns, ... to understand the connections between biological rhythms and metabolism," notes Lazar. The daily rhythm ...

Disturbed rest, activity linked to mortality in older men

... It appears that disrupted rest and activity rhythms are associated with increased mortality rates ... 67, were tested for rest and activity biological rhythms via a wrist device called an actigraph. The ... associations between disturbed rest and activity rhythms and mortality rates in older men, who are still ...

Studies find stable sleep patterns and regular routines may improve outcomes in bipolar disorder

... patients to achieve and maintain regular social rhythms including regular sleep patterns and adequate ... at the meeting, researchers studying circadian rhythms in mice found that the genes that regulate these rhythms also control the activity of neurons in the brain ...

Argonne Anti-Jet-Lag Diet Helps Summer Travelers Beat Jet Lag

... "The Argonne Anti-Jet-Lag Diet maintains our healthy cellular rhythms by using the same natural time cues that nature uses, such as meal ... biologist whose career was devoted to the study of daily biological rhythms in a variety of organisms from paramecia to mammals, the Anti-Jet-Lag Diet ...

Spring Forward? Plan Ahead

... Center at The Methodist Hospital System in Houston, normal circadian rhythms (your "body clock") typically take 24 to 48 hours to readjust to time ... in Mount Kisco, N.Y. Make sure you take into account your body's other rhythms as well. Eat dinner an hour earlier and don't nap in the afternoon or ...

Snoring or soaring? Strength of fruit-fly immune system varies

... room lit only by a red bulb (red light doesn't seem to perturb the daily rhythms of the flies) while injecting, one by one, multiple hundreds of tiny, ... pneumoniae or Listeria monocytogenes, the sickened flies' circadian rhythms were disturbed. They stumbled around more randomly, and stood still for ...

Circadian Rhythm Plays Role in Memory

... a player in memory function, it might be that the degradation of circadian rhythms in elderly people may contribute to their short-term memory problems." ... information The Medical College of Wisconsin has more about circadian rhythms . -- Robert Preidt ...

'Food Clock' May Override Master Sleep Clock in Times of Duress

... The food clock, they concluded, actually hijacked the mouse's circadian rhythms and shifted its sleep-wake cycle to accommodate the need to be awake when ... is that this second clock may be a way for us to control our biological rhythms in shift work or when we travel," he observed. "In other words, it is ...

NYU dental professor discovers biological clock

... Future research will assess whether there is a link between slower growth rhythms and growth disorders. Since the autonomic nervous system controls human behavior, future research will also assess whether growth rhythms can be linked to variations in human behavior. ...

Blind humans lacking rods and cones retain normal responses to non-visual effects of light

... was suggested by earlier studies in mice that demonstrated that circadian rhythms and other non-visual responses remain sensitive to light in the absence of ... for non-visual light responses such as the entrainment of circadian rhythms and elevating arousal and brain activity. Second, this information may ...

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Rhythms in Medical Technology

New Therapy Found to Prevent Heart Failure

... heart failure. The new generation of cardiac resynchronization therapy defibrillators (CRT-Ds) was designed to stop dangerous, life-threatening heart rhythms and improve the heart's contraction, thereby enabling the device to improve survival and prevent heart failure. CRT-Ds are approved for use in ...

Clinical Trial Results on the Sleep-Promoting Effects of Vanda Pharmaceuticals' Circadian Regulator Tasimelteon (VEC-162) Published in The Lancet

... 23-32. (4) Perez-Lloret, Santiago; Garcia Aguirre, Alejandro; Cardinali, Daniel P.; Toblli, Jorge E. "Disruption of Ultradian and Circadian rhythms of Blood Pressure in Nondipper Hypertensive Patients." Hypertension . 2004; 44: 311-315. (5) Colten, Harvey R.; Altevogt, Bruce M. ...

FDA Grants Approval to Extend U.S. Enrollment and Clinical Trial

... this year. The currently available "tip catheter" approaches are based on a decade-old technology originally designed to treat irregular heart rhythms other than AF. About Ablation Frontiers Ablation Frontiers is an emerging, venture-backed medical device company based in Carlsbad, California. ...

Life Recovery Systems Receives European CE Mark Approval for Its ThermoSuit(R) System

... to 32 degrees C to 34 degrees C for 12-24 hours when the initial rhythm was ventricular fibrillation. Such cooling may also be beneficial for other rhythms or in-hospital cardiac arrest." Life Recovery Systems, HD, LLC is focused on developing and providing groundbreaking, innovative medical devices for ...
Rhythms in Medical Products

ECG Notes: Interpretation and Management Guide

Description:... and components), ACLS and CPR algorithms, emergency medications, and comprehensive information on monitoring leads and interpretation of over 100 ECG rhythms including 12-Lead and pacemaker ....
Company:Skyscape, Inc.

Vitality DS VR

Description:... Implantable defibrillators are used to treat heart rhythms that are abnormally fast and life threatening. Implantable cardioverter defibrillators (ICDs) often are used to treat sudden cardiac death (SCD), and ...
Company:Guidant Corporation

Vitality DS

Description:... Implantable defibrillators are used to treat heart rhythms that are abnormally fast and life threatening. Implantable cardioverter defibrillators (ICDs) often are used to treat sudden cardiac death (SCD), and ...
Company:Guidant Corporation

Contak Renewal® 2

Description:... contractions. The device provides ventricular tachyarrhythmia therapy to treat ventricular tachycardia (VT) and ventricular fibrillation (VF), rhythms that are associated with sudden cardiac death ....
Company:Guidant Corporation

CardioVive AT AED

Features:... adjusts to deliver appropriate defibrillation level Advanced technology differentiates between shockable life-threatening cardiac rhythms and non-shockable arrhythmia events ...
Company:Burdick, Inc.
Rhythms in Medical Definition

Ultradian

... Ph. D. [3] http://polyphasing.blogspot.com/2006/01/quote-on-4-hr-ultradian-cycle.html (Dr. Claudio Stampi is a sleep expert). Circadian rhythms factor in Rapid-Cycling Bipolar Disorder. [4] Barrios C, Chaudhry TA, Goodnick PJ. Rapid cycling bipolar disorder. Expert Opin Pharmacother. 2001 ...
Rhythms in Medical Dictionary

Arrhythmia

... . The heart does not beat right . The natural rhythms are more irregular. This is caused by problems in ... , no heart disease or abnormal heart rhythms can be found. In others, palpitations result from abnormal heart rhythms ( arrhythmia s ). This is a heart medicine ...

Arrhythmias

... some patients with palpitations , no heart disease or abnormal heart rhythms can be found. In others, palpitations result from abnormal heart rhythms ( arrhythmias ). This is a heart medicine used to treat arrhythmias ....

Alcoholic cardiomyopathy

... Directly damage heart muscle ( alcoholic cardiomyopathy ), which may weaken the heart , leading to heart failure . Cause abnormal heart rhythms ( arrhythmias ). Slightly increase the risk of breast cancer in women. ...

Ambulatory

... occur. What abnormal results mean: ... Ambulatory ECG monitoring. Also known as Holter monitor ing, this procedure records your heart rhythms for an entire 24-hour period. That means you have to wear electrodes on your chest for 24 hours and keep a diary of your activities and symptoms. ...

Aminophylline

... avoided in people taking on warfarin, phenytoin and other drugs for epilepsy , theophylline or aminophylline , and some drugs for abnormal heart rhythms because it can affect the way the body breaks them down. ...

Atria

... impulses in the heart . The irregularity can be continuous, or it can come and go. Atria l fibrillation and flutter are abnormal heart rhythms in which the atria , or upper chambers of the heart , are out of sync with the ventricle s, or lower chambers of the heart . Atria l ectopic ...

Biceps

... hard-core, competitive athletes develop extraordinary heart s. Not only is the heart extra large and thick, it also may produce some irregular rhythms ( arrhythmia ). Patient's with Erb's palsies typically have weakness involving the muscle s of the shoulder and biceps . Klumpke's palsy ...

Calcium

... such as diltiazem (Cardizem), nicardipene (Cardene), and nifedipine (Procardia) Other antimalarial drugs Quinidine, used to treat abnormal heart rhythms ... CARE calcium antagonist in reperfusion trial. CARE carvedilol atherectomy re stenosis trial. Loss of calcium from the bones or teeth ....

Calcium channel blockers

... such as diltiazem (Cardizem), nicardipene (Cardene), and nifedipine (Procardia) Other antimalarial drugs Quinidine, used to treat abnormal heart rhythms ... Different calcium channel blockers act on different parts of the heart and circulatory system and are taken for different conditions. ...

Cardiomyopathy

... cause of cardiomyopathy in the United States. Certain forms of cardiomyopathy ( disease s of the heart muscle ) Certain abnormal heart rhythms ( arrhythmias ) after a heart transplant Congestive heart failure - In late 2001, a new three- lead pacemaker was approved by the U.S. ...

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Rhythms in Biological News

Studies point to novel target for treating arrhythmias

... Abnormal heart rhythms arrhythmias are killers. They strike without ... In their quest to understand how irregular heart rhythms arise as a way to find new molecular targets for ... The researchers examined the heart rhythms of mice expressing various troponin mutants that ...

Circadian clock may be critical for remembering what you learn, Stanford researchers say

... it might be that the degradation of circadian rhythms in elderly people may contribute to their ... it might be possible to wipe out circadian rhythms and eliminate the rhythm in learning, but that ... actually can't remember anything. Losing their rhythms costs them a lot." The researchers knocked the ...

Interdisciplinary volume on biological rhythms serves as both primer and in-depth resource

... made to understand the molecular basis of these rhythms and how they translate into modifications in ... Cold Spring Harbor Laboratory Press, Clocks and rhythms , reviews the latest advances in biological clocks and rhythms across a broad range of species and biological ...

Circadian rhythm-metabolism link discovered

... have found a molecular link between circadian rhythms our own body clock and metabolism. The ... in the July 25 issue of Cell . Circadian rhythms of 24 hours govern fundamental physiological ... appropriate time of day. Disruption of these rhythms can profoundly influence human health and has ...

Plants in the fourth dimension

... by environmental signals. In animals, circadian rhythms are known to be important for maintaining a ... also have endogenous circadian ("around the day") rhythms with roughly 24 hour periods that are regulated ... in the evolution of many clocks and circadian rhythms keyed to local conditionsthe plant equivalent of ...

DuoCort: New chronotherapy for adrenal insufficiency

... adrenal hyperplasia. About chronotherapy Coordinating biological rhythms (chronobiology) with medical treatment is called chronotherapy . It takes into account the body's biological rhythms in determining the timing--and sometimes the amount--of medication to ...

MIT: Making waves in the brain

... of neurons was activated. The authors further showed that these brain rhythms regulate the processing of sensory signals. They found that the brain's ... are important for controlling how we perceive stimuli," says Moore. "Gamma rhythms might serve to make a sound louder, or a visual input brighter, all based ...

UNC study: Tinkering with the circadian clock can suppress cancer growth

... research has shown that the disruption of the body's natural circadian rhythms affects people's health. One of the largest epidemiological studies ever ... clocks of animal models, they did not always see such an effect. Circadian rhythms in humans and in mice are controlled by "clock genes," four of which are ...

When it comes to sleep research, fruit flies and people make unlikely bedfellows

... from the University of Missouri-Kansas City have shown that the circadian rhythms (sleep/wake cycles) of fruit flies and vertebrates are regulated by some ... compelling evidence that from an evolutionary point of view, circadian rhythms have been virtually unchanged since the days when humans and fruit flies ...

Biologists identify genes controlling rhythmic plant growth

... interplay of plant growth hormones, plant light sensors and circadian rhythms that permit plants to undergo rhythmic growth spurts at specific times of ... But a similar interplay of light sensing, plant hormones and circadian rhythms that leads to a pronounced rhythmic growth by plants during certain ...

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Rhythms in Biological Technology

Valdoxan(R) Granted Marketing Authorisation for the Treatment of Major Depressive Episodes in Europe

... first time the restoration of the circadian rhythms of depressed patients.(1) Valdoxan: ... depression through the restoration of circadian rhythms Valdoxan is the result of an advanced ... As a result, Valdoxan resynchronises circadian rhythms that are profoundly disrupted in ...

New MIT radio chip mimics human ear

... identification have several applications in portable devices and security applications. The researchers have built circuits that can analyze heart rhythms for wireless heart monitoring, and are also working on projects inspired by signal processing in cells. In the past, his group has worked on hybrid ...

Enron's dilemma: A corporate governance nightmare

... price collapsed. Enron hit the jackpot with rhythms NetConnections, an Internet service provider. ... at $1.85 for a $10 million equity investment. rhythms NetConnections went public on April 7, 1999. The ... worth more than $372 million. During May 1999, rhythms NetConnections stock decreased to $56, reducing ...

Old bell system merging back together, but it's not the same

... catalysts for change in the telecom network industries, I still say Ma Bell's rebuilt Victrola will be playing louder than anyone and setting the rhythms for regulation and rewrites for a long time. Carlinism: Merging resources can be a very good thing if the right goals are set. James Carlini ...

AT&T - BellSouth merger: Revestiture continues

... in the telecom and network industries, you still hear the clear booming sounds of Ma Bell's old Victrola playing louder than anyone and setting the rhythms for regulation and rewrites. We have come about full circle with the telecom industry. Unfortunately, that means we are back where we started. ...

Measurement of proteasome inhibition in live cells in Molecular Devices microplate fluorometers

... and transcription, stress response, neuronal morphogenesis, cell surface receptor modulation, secretion, regulation, long-term memory, circadian rhythms and immune response. 2 Defects in ubiquitinmediated proteolysis are implicated in the pathogenesis of many human diseases, including a variety of ...
Rhythms in Biological Definition

Mathematical biology

... S.I. Rubinow, Introduction to mathematical biology . John Wiley, 1975. ISBN 0471744468 A. Goldbeter, Biochemical oscillations and cellular rhythms . C.U.P., 1996. ISBN 0521599466 E. Renshaw, Modelling biological populations in space and time . C.U.P., 1991. ISBN 0521448557 P.G. Drazin, ...

Photobiology

... of light on living organisms . The field encompasses many biological phenomena, including photosynthesis , visual processing , circadian rhythms , and ultraviolet radiation effects. There are numerous professional societies devoted to the study of photobiology, the largest of which are the ...
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