Tag: "rhythm" at medical news

AASM to school-bound: Sleep is the right ingredient for academic success

...s need more sleep than adults, and their circadian rhythm is easily disrupted. Because an adequate quantity and quality of sleep is necessary for optimal learning, Dr. Kohler encourages parents to enforce appropriate bedtime hours and a healthy sleep environment to ensure at least nine to 10 hours of quali...

AMPAKINE compounds a new potential treatment for respiratory depression

...pounds enhance the respiratory drive and breathing rhythm at the brain-stem level containing the pre-Botzinger Complex in laboratory rats whose respiration rates were purposely suppressed by administration of central nervous system depressants. Dr. Greer found that respiratory depression induced by these...

Blood-thinning drugs need closer monitoring

...s in veins, artificial heart valves, chronic heart rhythm disturbances. The dosage of these drugs must be carefully gauged to avoid causing the blood to be too thin (which permits hemorrhages) and not thin enough (permitting clot formation, which can lead to strokes and heart attacks). Treatment is monitore...

Story tips from the Department of Energy's Oak Ridge National Laboratory, May 2007

...ibrillation within 48 hours of surgery. This heart rhythm abnormality means longer hospital stays, higher co...he goal is a system that forewarns of this cardiac rhythm disorder from surface heart waves. The technology development is led by ORNLs Lee Hively and is base...

Implanting dopamine generators in brain cells obtains improvement in Parkinson's in monkeys

... level of the neck. Its function is to control the rhythm of respiration and the cardiac frequency through releasing dopamine in situations of low oxygen level in the blood. After the implantation of the cellular aggregates of the carotid body into the striate area of the brain, the improvement in movement ...

UC Irvine researchers reveal first images of brain changes associated with memory

...archers induced LTP by stimulating synapses with a rhythm known to be critical to memory formation. The brain slices were then sectioned and stained with one antibody that attaches to activated proteins involved with LTP and a second one that labels synapses. Newly developed microscopic methods were used to...

Ottawa aggressive protocol for acute atrial fibrillation is successful

... AAF or AAFL can be discharged with a normal heart rhythm using this protocol. This method of treatment stands in contrast to practice in the United States, where management of AAF and AAFL is hospital admission followed by treatment by cardiologists. Dr. Stiell states, This is the largest reported study ...

Mild head injuries increase risk of sleep disorders

...ain injury. Those suspected of having a circadian rhythm sleep disorder (CRSD) (i.e. problems with the timi...Ayalon. In addition, Ayalon said since circadian rhythm sleep disorders are often associated with cognitive and psychological problems, treatment might ulti...

Sleep apnea common, but undiagnosed, among pacemaker patients

...o slow. Abnormally slow heart rhythms (Bradycardic rhythm disorders) are common among patients with obstructive sleep apnea. Researchers screened the patients with the Epworth Sleepiness Scale and polysomnography, a device that records breathing and sleep. The pacemakers were programmed to pace the heart a...

Remote device allows cardiologist to monitor patients daily at their homes

...defibrillator activate, he or she can transmit the rhythm information immediately. The physician can quickly analyze the data and determine if the shock was appropriate or if the patient needs to go to the hospital. "Now with patient information available weekly, or even daily if needed, we can better mon...

Mayo Clinic research shows young people who died suddenly and inexplicably had genetic heart defects

... heritable genetic defects that impair the heart's rhythm center. The defects were caused by mutations, wh...de. The defects produced one of two abnormal heart rhythm conditions: Long QT syndrome (LQTS) and catecholaminergic polymorphic ventricular tachycardia (CPVT)...

Human circadian clocks couple to local sun time

... in more sparsely populated areas--human circadian rhythm entrains to local sun time. Past work has indicated that as influences on the circadian clock--known as "zeitgebers"--become weaker, chronotypes tend to become later--that is, daily activity is shifted later in the day. And indeed, the present study...

Does endurance exercise promote life-threatening changes in athletes' hearts?

...es in the heart that lead to dysfunction and heart rhythm disturbances, according to the authors of the repo...rnal [1] today (Monday 22 January). VA is a heart rhythm disturbance that occurs in the ventricles (lower chambers) of the heart. It can be the cause of sudd...

Doctors neglect insomnia in older patients

...t light or evening activity to push back circadian rhythm for people who wake up too early. In the study, 1,503 participants from 11 primary care sites serving mainly elderly patients were interviewed. Researchers reviewed medical charts to determine whether sleep problems were identified by the health c...

Are one-third of costly implanted heart devices unnecessary? New study suggests yes

...ces are designed to shock damaged hearts back into rhythm and save patients from sudden cardiac death, which... devices based on criteria relating to their heart rhythm and pumping capability. But if every Medicare participant who qualified for an ICD under current gui...

Hormonal contraception does not appear to increase HIV risk

...ilization, withdrawal, or periodic abstinence (the rhythm method), or used no method of contraception. In the study, women seeking care were offered their choice of contraceptive methods, either oral contraceptives or DMPA, as well as condoms. The women were counseled on how to use these methods and how ...

Ultrasound mammography, volcano monitoring for aircraft safety

...RS A US-Japan team has found new evidence that the rhythm of one's native language influences how that individual hears the rhythms of non-language sounds such as music and the ticking of clocks. When native English speakers listen to the ticking of a clock, they hear "tick-tock," even if the clock's sound...

New studies in the journal Sleep focus on helping children, women sleep better

...ibers which, in turn, throws a person's sleep-wake rhythm out of kilter. The study, conducted by Mnica McG... "DSP-4 decreased the amplitude of the sleep-wake rhythm in LD animals by significantly decreasing wakefulness and increasing sleep during the active period,...

First evidence that musical training affects brain development in young children

...r improvement over the year in melody, harmony and rhythm processing in the children studying music compared to those not studying music. General memory capacity also improved more in the children studying music than in those not studying music. Prof Trainor said: "That the children studying music for a ...

Implanted wireless device alerts patients and physicians to dangerous conditions

..., blood pressure and weight. This wireless cardiac rhythm management system is very new, and many consumers don't realize how important daily monitoring of weight and blood pressure is to detecting early warning signs of worsening heart failure. Is this something you might be interested in hearing more a...

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