Tag: "irregular" at medical news

Drug for cluster headaches may cause heart problems

...trocardiograms (EKGs) for potential development of irregular heartbeats. Cluster headache is a rare, severe f...lems with the electrical activity of the heart, or irregular heartbeats, while taking the drug. Most of the cases were not considered serious; however, one perso...

Warfarin better than aspirin at stroke prevention in elderly people with atrial fibrillation

...vention of stroke in people with a certain type of irregular heartbeat who are aged 75 or over, conclude author...whom had atrial fibrillation, a particular type of irregular heartbeat (arrhythmia). Of these patients, 488 were randomised to receive warfarin and 485 to receiv...

Maternal obesity prior to pregnancy associated with birth defects

...n to be at risk for chronic diseases, infertility, irregular menstruation and complications during pregnancy, according to background information in the article. In 2003 and 2004, about 51 percent of women aged 20 to 39 were classified as overweight or obese. D. Kim Waller, Ph.D., of the University of Texas...

Stroke in nonvascular atrial fibrillation -- anti-coagulants better than anti-platelet therapy

People with atrial fibrillation (AF) have irregular heart beats and have a tendency to form blood clots in the upper chambers (atria) of their hearts. These clots can then travel to the brain, block vessels and cause a stroke. One way of reducing the risk of this occurring is to give drugs that limit ...

College students who pull 'all-nighters' and get no sleep more likely to have a lower GPA

...Sleep in college students is generally inadequate, irregular and of poor quality. As sleep quality and quantity decrease, academic performance worsens. The data collected in this study indicate that the use of a single night of total sleep deprivation is not an effective practice for achieving academic goals...

Soft contacts designed for cone-shaped cornea

...he custom-designed lenses, on the other hand, have irregular front surface profiles designed to correct for specific aberrations of the cornea and crystalline lens. The scientists designed the front profiles by measuring with wavefront sensors exactly how light enters the subjects eyes through the misshapen co...

Aspirin use during pregnancy could reduce risk of pre-eclampsia

...nal spiral arteries in early pregnancy can lead to irregular blood flow to the placenta, causing blood clots in and death to placental tissue. This can lead to activation of the platelets and clotting system and an imbalance between hormones which promote and slow blood flow. Antiplatelet agents such as aspiri...

Employers who recognize the impact of migraine may help to improve workplace productivity

...evere symptoms of metabolic acidosis could include irregular heartbeat or changes in the level of alertness. Chronic, untreated metabolic acidosis may increase the risk for kidney stones or bone disease. Your doctor may want to do simple blood tests to measure bicarbonate levels. Other serious risks include ...

Mild head injuries increase risk of sleep disorders

...falling asleep and waking up, and seven people had irregular sleep-wake patterns. "The frequency of sleep disorders in this study is considerably higher than the rate of these disorders among people attending sleep clinics for insomnia, which is seven to 10 percent," said Ayalon. Ayalon said these finding...

Biopsy may underestimate prostate cancer in obese and overweight men

...ning tests, such as a blood test for PSA, or by an irregular finding on a digital rectal exam. To perform a biopsy, a physician inserts a needle into the prostate and removes tissue for analysis. In the study, the researchers analyzed data on more than 1,100 men who underwent surgery between 1996 and 2005 to...

Light-based probe 'sees' early cancers in first tests on human tissue

..., when you go down the road toward cancer, you get irregular and enlarged cell nuclei. "Our device lets us measure those changes with much better accuracy than any imaging technique," Wax said. His team plans to begin a small clinical trial of the advanced endoscope in collaboration with researchers at Duk...

Tissue engineering for craniofacial reconstruction

...d morphology. HIPEs can be readily molded into the irregular shapes often required in craniofacial reconstruction and cured in situ to a rigid foam. They have demonstrated that emulsion templating can be used to generate rigid, biodegradable scaffolds with interconnected pores. These scaffolds are of particula...

Health-care inequities underscore racial disparities in prostate cancer

...limited availability, resulting in distrustful and irregular interactions. Racial disparities in the diagnosis and outcome of prostate cancer are well documented in the U.S. Most concerning is the comparatively significantly higher mortality rate in African-American men (68.1 per 100,000 versus 27.7 per 100...

New project to analyze why Polycystic Ovary Syndrome and insulin resistance are so closely linked

...ead to many of the symptoms of PCOS. These include irregular periods, or no periods at all; fertility problems;...very distressing not only because of problems with irregular periods and with fertility but also because of excess body hair, acne or alopecia. We still do not f...

Penn researchers find that chronic dizziness may be caused by psychiatric and neurologic illnesses

... injuries, or dysautonomias), and 1.7% had CSD and irregular heartbeats. Two-thirds of patients had medical conditions associated with the onset of dizziness, whereas one-third had anxiety disorders as the initial cause. Therefore, CSD may be triggered by either neurotologic or psychiatric conditions. ...

Sleep disturbances affect classroom performance

...found that adolescents reporting inadequate sleep, irregular sleep patterns, and/or poor sleep quality do not perform as well in school as students without sleep complaints, this study provides additional evidence indicating that sleep disturbances occur at high frequencies in adolescents and significantly aff...

Using nanomagnets to enhance medical imaging

...ide contrast variation in a larger region but have irregular designs and magnetic properties that are difficult to control. By comparison, molecular nanomagnets can be designed to have consistent properties and high contrast. In addition, they might be modified to act as "smart" materials whose contrast could ...

Experts urge strongest isolation for new drug-resistant tuberculosis cases appearing in South Africa

... or treatment duration) Programme factors (e.g. irregular drug supply, incompetent health personnel, lack of infection control in institutions), and Patient factors (e.g. poor adherence, mal-absorption). Meanwhile, South African policies stipulate that those hospitalized at state expense lose their so...

Recovering alcoholics with poor sleep perceptions will likely relapse

...ttributed to subtle disruptions in brain waves, in irregular biological rhythms, or both. We will also examine if using cognitive behavioral therapy for alcohol-dependent patients with insomnia will reduce the rate of relapse."...

MRIs made safe for people with modern defibrillators and pacemakers

...se the radiofrequency generated by the MRI with an irregular heartbeat and preventing misfires. They also turn off the defibrillators' shocking function for the brief duration of the MRI scan, about 30 to 60 minutes. Also changed is the amount of electrical energy used at peak scanning in MRI. The Hopkin...

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(Date:7/22/2014)... genus of planthopper known as Conosimus, which now includes ... in the southern part of the Iberian Peninsula in ... appears in the open-access Journal of Insect Science ... Conosimus baenai , has been named after Manuel ... taxonomy of Iberian Hemiptera. , Conosimus baenai ...
(Date:7/21/2014)... Jocelyn Millar , a professor of entomology ... of Chemistry at the University of California, Riverside, ... by the International Society of Chemical Ecology ( ISCE ... Silver Medal is the society,s highest honor. It ... contributions to chemical ecology, the study of chemicals that ...
(Date:7/21/2014)... tracking to monitor seals, every movement, researchers have shown ... drawn to offshore wind farms and pipelines. Those man-made ... grounds, according to a study published in the Cell ... , "I was shocked when I first saw ... Sheringham Shoal," an offshore wind farm in the United ...
Breaking Biology News(10 mins):UC Riverside entomologist receives international honor for chemical ecology contributions 2Seals forage at offshore wind farms 2
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