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Rhythms in Medical News

Heart Rhythms Swing Precariously to Emotion, especially Anger

Heart rhythms can swing perilously when we are angry, even igniting life and death situations, to reveal scientists after studying nearly 1000 cardiac patients//. With the help of special instruments, called implantable cardioverter defibrillators, inserted near the heart, doctors studied the...

People with abnormal heart rhythms must avoid fish oil

Fish oil supplements may be harmful for people with abnormal heartbeats, says the new research// on the subject. Fish oil is noted for omega 3 fatty acids that are essential to the body in terms of regulating blood pressure and blood clotting and must be taken in as supplements. These fatty ac...

Fish Oil does not Appear to Protect Against Abnormal Heart Rhythms

CHICAGO - Patients with an implantable cardioverter defibrillator did not have a significantly lower risk of serious abnormal heart rhythms// or death by consuming fish oil supplements, which had been thought to have a protective effect, according to a study in the June 14 issue of JAMA. Sudden...

Toronto 2015 Pan Am Games Bid salutes Caribana

...Caribana is an international cultural phenomenon, the great metropolis of Toronto and its environs will come alive as the city revels in the pulsating rhythms and melodies of Calypso, Soca, Reggae, Chutney and Steel Pan music. About the Pan Am Games The Pan Am Games are a major international multi-...

Response Times Vary for In-Hospital Heart Attacks

...reducated staff. Defibrillation is a process in which an electronic device gives the heart an electric shock. This helps restore normal contraction rhythms in a heart having dangerous arrhythmia or in cardiac arrest. The American Heart Association recommends that defibrillation be performed within two min...

Sleep Disorders Linked to Arrhythmias

.... Central sleep apnea -- caused by a malfunction in brain signals that control breathing muscles -- was more strongly associated with irregular heart rhythms in the heart's upper chambers (atria). The more severe a man's sleep-disordered breathing, the greater his risk for arrhythmia. The researchers als...

Morning People and Night Owls Show Different Brain Function: University of Alberta Study

... different and have implications for maximizing human performance. Their findings were published in the June edition of the Journal of Biological rhythms . The paper is attached. The research team, including students Alex Tamm, Olle Lagerquist, technician Alex Ley and neuroscientist Dave Collins, a...

Immune cells ameliorate hypertension-induced cardiac damage in mice

...onetheless, cardiac enlargement, fibrosis, and inflammation was sharply reduced by Treg treatment. Furthermore, the tendency to develop abnormal heart rhythms that could lead to sudden cardiac death was also reduced. Dr. Heda Kvakan and Dr. Dominik N. Mller at the Experimental and Clinical Research Center at...

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

...Baurac. "The Argonne Anti-Jet-Lag Diet maintains our healthy cellular rhythms by using the same natural time cues that nature uses, such as meal contents...Argonne 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 ...

Researchers develop light-treatment device to improve sleep quality in the elderly

...liver blue light directly to the eyes to improve sleep quality in older adults. "Light and dark patterns are the major synchronizer of circadian rhythms to the 24-hour solar day," said Mariana Figueiro, Ph.D., Lighting Research Center Light and Health Program director and principal investigator on the ...
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 pa...

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. Institute...

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

...rformed 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. Th...

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

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

CardioVive AT AED

Features:...e and 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

Numbering aberrant rhythms

Bigeminy (Latin: Bi-Two Gemini-twins) is a descriptor for a heart arrhythmia in which abnormal heart beats occur every other concurrent beat. A typical example is with bigeminal premature ventricular beats, also known as a premature ventricular contractions/complexes (PVC). Following the P...

Ultradian

...ombeck, 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

Sick sinus syndrome

...rome , also called sinus node dysfunction, is a group of abnormal heart rhythms (arrhythmias) presumably caused by a malfunction of the sinus node, the h...tment of this ... A person with sick sinus syndrome may have heart rhythms ... Information about sick sinus syndrome from the American Acade...

Physiology

... save. ENDOCRINE PHYSIOLOGY AND METABOLISM. RECEPTORS AND SIGNALING PATHWAYS ... COMPARATIVE AND EVOLUTIONARY PHYSIOLOGY . SLEEP AND BIOLOGICAL rhythms ... In October 2002, The Nobel Prize in Physiology or Medicine was awarded to H. Robert Horvitz, Sydney Brenner and John El Sulston ...

Murmur

...sis Resources Heart Murmurs Definition A heart murmur is Murmur Similar Albums: Days of Wine and Roses , Hootenanny , Gyrate , Vs. , Crazy rhythms Artist: R.E.M ... The songs on Murmur sound as if they've existed ... Murmur .com is an interactive community publishing website covering TV, F...

Hyperkalemia

...ated blood level of the electrolyte potassium. Extreme hyperkalemia is a medical emergency due to the risk of potentially fatal abnormal heart rhythms (arrhythmia). Learn about hyperkalemia , a condition caused by abnormally high levels of ... Patient Discussions: Hyperkalemia - How Was Diagno...

Circadian

...tervals, that is exhibited by many ... Circadian rhythms ranging from cellular and ... circadian adj.... Circadian Rhythm Laboratory: page on circadian rhythms ... Some drugs, such as methamphetamine and deuter...tionary.org /wiki/ circadian " ... Circadian rhythms are our body's natural cycles that control appetit...

Cardioversion

...corrected by the delivery of a therapeutic dose of electric current to the heart at a specific moment in the cardiac cycle. Abnormal heart rhythms may require a procedure called cardioversion . Learn what to expect. ... During cardioversion , a special machine is used to send ... Cardiover...

Brain herniation

...with a brain herniation have irregular heart rhythms and difficulty ... A brain herniation occu...with a brain herniation have irregular heart rhythms and difficulty ... Brain herniation Brain...with a brain herniation have irregular heart rhythms and difficulty ... A brain herniation is w...

Arrhythmias

... to any change from the normal sequence of electrical impulses. ... When the heart doesn't beat properly, ... Arrhythmias are abnormal heart rhythms usually caused by an electrical "short ... Because arrhythmias can cause the heart to beat less effectively, blood flow to ... Arrhythmias ...
Rhythms in Biological News

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

COLD SPRING HARBOR, N.Y. (Sept. 4, 2008) A variety of organismsfrom bacteria and fungi to plants and animalshave biological rhythms, where the timing and duration of fundamental biological processes is naturally adjusted to allow them to adapt and survive, even under fluctuating environmental c...

Two new studies on circadian rhythms

Hanover, NHDartmouth Medical School geneticists have made new inroads into understanding the regulatory circuitry of the biological clock that synchronizes the ebb and flow of daily activities, according to two studies published May 15. Research on the relationship between clocks and temperat...

Research finds that circadian rhythms dominate all life functions

New research from Colorado State University shows that the function of all genes in mammals is based on circadian -- or daily -- rhythms. The study, publishing in PLoS Computational Biology on June 15, refutes the current theory that only 10 percent to 15 percent of all genes were affected by natu...

Gene controlling circadian rhythms linked to drug addiction

The gene that regulates the body's main biological clocks also may play a pivotal role in drug addiction, researchers at UT Southwestern Medical Center have found. The Clock gene not only controls the body's circadian rhythms, including sleep and wakefulness, body temperature, hormone levels, bl...

DuoCort: New chronotherapy for adrenal insufficiency

...ongenital 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 optim...

MicroRNAs grease the cell's circadian clockwork

...own for its function in the circadian clock. and viral replication "It will be exciting to investigate whether the connection between circadian rhythms and miR-122 also extends to this microRNA's role in hepatitis C virus replication", points out David Gatfield. Knowing whether viral multiplication is...

MIT: Making waves in the brain

...s of neurons was activated. The authors further showed that these brain rhythms regulate the processing of sensory signals. They found that the brain's res... 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 o...

A biological basis for the 8-hour workday?

...al. These findings, which appear in the April issue of PLoS Genetics , have implications for better understanding disruptions to normal circadian rhythms that contribute to a host of pathologies such as cardiovascular and metabolic disease, cancer, and aging-related disorders. "The principal frequenc...

Ten genes identified in connection with sudden cardiac death

...t is beating in overdrive or worse, lurching along like a car on fumes. It is a shocking, uncomfortable and frightening sensation. Irregular heart rhythms are a common cause of sudden cardiac death or SCD, a condition that accounts for 450,000 deaths annually in the United States. Scientists are now clos...

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

...ious research has shown that the disruption of the body's natural circadian rhythms affects people's health. One of the largest epidemiological studies ever pe... 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 ab...
Rhythms in Biological Technology

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 an...

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

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

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

...from 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 is...

AT&T - BellSouth merger: Revestiture continues

...ge 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. We...

Enron's dilemma: A corporate governance nightmare

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

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

...epair 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 can...
Rhythms in Biological Definition

Mathematical biology

...70 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

...effects 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 A...
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