Tag: "beats" at medical news
Short-term effects of spit tobacco suggest long-term health risks
... After snuff use, heart rate increased by about 15 beats
per minute (25 percent), systolic blood pressure w...se subjects' heart rates decreased by more than 10 beats
a minute and the activity of the sympathetic nervous system went down to very low levels. "This is...
Implanted devices detect high-risk heart failure patients
...e heart back into normal rhythm whenever the heart beats
irregularly. In addition to maintaining the heart, the devices also collect heartbeat-by-heartbeat data that can be downloaded from the device and entered into a computer. One use of the data in this trial was to create a "footprint," or visual repre...
Depression predicts heart rhythm abnormalities in heart attack patients
...n the severity of the depression and the number of beats
of ventricular tachycardia." Specifically, the researchers found that based on scores from the commonly used Beck Depression Inventory (BDI), going from a non-depressed state to mild depression conferred an 81 percent higher risk of suffering from ve...
Wine keeps women's hearts beating healthily
...measures the changes in time intervals between the beats
of the heart. Decreased variability has been associated with an increased risk of heart disease and death. HRV was highest in women who drank 5 or more grams of alcohol a day, equivalent to more than half a standard unit, and lowest in those who dran...
Why North America is not a rhythm nation
... altered versions of the same four tunes, in which beats
had been added to make the simple meters complex and the complex meters simple. The North American participants were able to recognize when simple rhythms were changed to more complex ones, but they could not tell when the reverse happened. The Easte...
Pacemakers could protect patients with epilepsy from sudden unexplained death
...atically for very slow heart beat (bradycardia, 40 beats
per minute or less) or very fast beats
(tachycardia, 140 beats
or more per minute) were detected. Patients were studied for up to 22 month...
Heart arrhythmias easily treated, yet few know risks
...," Sandra explained. "My heart would jump from 80 beats
per minute to about 200 beats
per minute." When she was younger and this occurred, Sandra could carry on a conversation and prete...
FDA buys technology that identifies drug toxicity to heart
...it-second period that occurs from the time a heart beats
or contracts, through its recovery phase. Drugs that prolong the recovery phase are of concern, because they can be toxic to the heart. COMPAS was designed to accurately identify EKG abnormalities, while taking into consideration other factors that ...
Circumcised newborns respond best to anesthetic relief
...by 54 percent and lowered average heart rate by 30 beats
per minute. Although the risks associated with dorsal penile block are very low, a similar technique called a ring block, which also uses lidocaine injections, may be as effective but easier and safer to use, she says. "In some centers, physicians ma...
American Thoracic Society Journal news tips for April 2004 (second issue)
...ith exposure to particulate matter. (Ectopic heart beats
originate at some point other than the heart's "pacemaker"--the sinus node.) Each trooper's patrol car was equipped with an air quality monitor. Blood was drawn 14 hours after each shift, and ambulatory monitors recorded the electrocardiogram throug...
New information about heart enzymes could lead to better treatments
... were bred without the enzyme had infrequent heart beats
by middle age, leading researchers to believe it played an important role in heart function. ACE2 has since been identified in the human heart. Angiotensin 1-7, a hormone that can dilate blood vessels, prevent remodeling and oppose the actio...
UT Southwestern researchers discover first effective treatment for exercise disorder
...rink placebo reached a mean peak heart rate of 156 beats
per minute and an excessive level of perceived exe...taneous second wind and a drop in heart rate by 35 beats
per minute. The second wind phenomenon is a hallmark of McArdle's disease. Patients who drank a suga...
Heart failure consumes significant health care resources
...order, known as diastolic heart failure, the heart beats
normally but does not fill with enough blood. In both cases, the body is deprived of oxygen-rich blood. Systole is that part of the heart's pumping cycle when it contracts and pushes blood out to the body. The diastole is when the heart relaxes and f...
Common drug, given promptly, reduces incidence of post-traumatic stress disorder, small study finds
...edically stable and had heart rates higher than 90 beats
per minute measured after they had been lying down for 20 minutes. These patients were offered propranolol, a common drug also known by its brand name, Inderal, which is often prescribed for tachycardia, high blood pressure or anxiety. Those who acce...
Delays in heart attack care erode the difference between two emergency therapies
...f Michigan Cardiovascular Center, angioplasty only beats
clot-busters if there's less than a one-hour difference between the time it takes to get patients from the emergency room door to the angioplasty suite, and the time it takes to start clot-busting drugs. And in the real world, that swift access to an...
Exercise and breast-cancer prevention: study finds it's never too late to start
...ivity is more important than intensity. The turtle beats
the hare when it comes to preventing breast cancer through exercise." To get the optimum breast-cancer protection, women should aim for at least 30 minutes of moderate-intensity exercise a day, five days a week, she said, stressing that sedentary wom...
UT Southwestern researchers, Nobel Prize winners share 2003 Albany Medical Center Prize
... Prize are wonderful to receive, but nothing quite beats
the thrill of discovering something new and solving a scientific puzzle," said Goldstein, chairman of molecular genetics. "Mike and I have been exceptionally lucky in having the opportunity to solve two scientific puzzles over the last 30 years. "In...
For determining protein structures, a new method boosts precision and speed in high-dimensional NMR
...alled GFT NMR, for G-matrix Fourier Transform NMR, beats
both drawbacks of multidimensional NMR: the long intrinsic measurement times and the low accuracy of the frequency measurements. GFT NMR uses a G-matrix, which represents a system of linear equations, in conjunction with Fourier Transform, the mathe...
Leg maneuver may prevent fainting
...nts also had a heart rate decrease of more than 10 beats
per minute in the 30 seconds before performing the...out 40 points and heart rate by an average of nine beats
per minute. Patients had an almost "instantaneous increase" in blood pressure when they performed t...
Air pollution linked with risk for exercise-induced heart damage
...cise session was to achieve a heart rate of 90-100 beats
per minute. Researchers analyzed the data from 342 of the 417 exercise tests conducted. They recorded 72 instances of exercise-induced ST segment depression among the 45 subjects. Twenty-three patients experienced exercise-associated symptoms when...