Tag: "pulse" at medical news
Generation gap found in chronic pain
...see pain as a vital sign just like temperature and pulse
rate, mean that more patients are getting effective relief for their chronic pain than ever before. So, younger people may just expect more from pain treatment than their elders do. Green and Baker note that assessing depression symptoms in people b...
Higher incidence of rejection following early steroid withdrawal
...ased, although it could be controlled with steroid pulse
therapy (in which high doses of steroids are administered intravenously for a short period of time). The current multicenter study was the first prospective double-blind, placebo-controlled trial to compare early steroid withdrawal with continued use...
Accelerated heartbeart mystery: Is odd electrical wave the key?
... deliver any one of many different combinations of pulse
parameters, and although standard algorithms exist, the optimum algorithm is not known," said Leslie Tung, a co-author of the paper and director of the lab in which the research was conducted. Tung is an associate professor in the Department of Biome...
New way to tally death risk for heart patients could ease worry
...first arrive at the hospital: Patients with faster pulse
rates, lower systolic blood pressures, certain electrocardiogram readings, and high levels of blood creatinine and cardiac enzymes score higher. "Every patient is an individual, and we can never predict everything that will happen to him or her, but...
May/June 2004 Annals of Family Medicine tip sheet
...Tierney, et al, found that a single measurement of pulse
and blood pressure, recorded as part of ongoing primary care, conveys important information about the five-year risk for stroke, heart and kidney disease, and death. The most consistent vital sign found to predict adverse clinical events was systoli...
Researcher funded to locate lung tumors
...tra's technique of optical tomography uses a short pulse
laser focused on the tissue to be probed. "Our intent is to non-invasively obtain information about the interior of the tissue from the optical signals," said Mitra. "We expect this method to yield physiological information with a safer, simpler an...
Northwestern Memorial tests 'pacemaker' for stomach
...ansneuronix, this system consists of an electrical pulse
generator, about the size of a pocket watch, which...ed to the wall of the stomach with two wires. The pulse
generator delivers electrical stimulation to the stomach, causing the feeling of fullness. Implanti...
Successful therapy for head and neck cancer may lead to long-term circulatory problems
...s had episodes of rapid increases and decreases in pulse
rate, paralleling simultaneous blood pressure chan...pressor responses but also concurrent increases in pulse
rate. The spectral analysis of heart rate variability demonstrated increases in high frequency power...
Detection at a distance for more sensitive MRI
...ate. In the encoding phase, a radiofrequency (RF) pulse
matched to the energy difference between the two states knocks the target nuclei atilt, causing their spin axes to precess around the field lines like off-center toy gyroscopes. The exact precession rate is characteristic of each chemical species ?? ...
Common epilepsy treatment to be used for bulimia nervosa
...y" from the stomach to the brain. A pacemaker-like pulse
generator is implanted directly below the skin of a patient's chest to deliver intermittent pulses of electrical stimulation to the brain via the vagus nerve in the neck. Using an external programming system, doctors can adjust the timing and amount ...
MUHC researchers develop new way to test for sleep apnea in children
...rack these patients for operative treatment. Using pulse
oximetry, dips in blood oxygen levels associated with sleep-related airway blockage are used to prioritize children needing urgent treatment. Dr. Robert Brouillette, MUHC pediatrician and professor of Pediatrics at McGill University said, "This new ...
Rensselaer to open new Terahertz Research Center
...ase terawatt system, which uses an amplified laser pulse
to produce a high-powered terahertz wave. The lab also is outfitted with an infrared spectrometer, optical tables, and a vacuum deposition system. Rensselaer was recently awarded a $3.86 million grant from the National Science Foundation (NS...
More docs favor national health insurance, study reveals
...surance. "At the very least, this survey takes the pulse
of the general state of support among U.S. physicians for governmental action to arrange health insurance financing," says Aaron E. Carroll, M.D., M.S., assistant professor of pediatrics, who along with Ronald T. Ackermann, M.D., M.P.H., assistant pr...
Automatic CPR device dramatically improves cardiac arrest survival in Stanford animal study
...rrest, in 32 pigs. The animals were left without a pulse
for eight minutes to simulate the average paramedic response time, after which they were treated with both the AutoPulse and standard manual CPR. One group received the AutoPulse first and the other received manual CPR first. The researchers found th...
Annals of Internal Medicine, tip sheet, November 4, 2003
...tolic blood pressure, diastolic blood pressure and pulse
pressure (the difference between the first two) (A... death in people over 65. The relationship between pulse
pressure and death rates was complex. The authors recommend against using pulse
pressure to estimate...
Systolic better than diastolic or pulse blood pressure as indicator of mortality risk
...ements and mortality risk found that diastolic and pulse
pressure measurements were weaker indicators of mo... whether the monitoring of systolic, diastolic, or pulse
pressure should be the focus in treating hypertension. Our study shows that an increased systolic re...
Wrist bands can ease cancer nausea, especially for patients who expect them to work
...t; the acustimulation band gives a mild electrical pulse
to the same point. Such bands are sold at some drugstores but are not widely used in medicine. Participants in the study wore the bands on the day of their chemotherapy treatment and the following four days. About 85 percent of the study participant...
Scientists develop technique that uses ultrafast lasers to obtain hi-quality images of brain tissue
...d is in comparison with all of human history. "The pulse
is so short that it doesn't generate heat, which would damage the tissue," according to Philbert Tsai, a graduate student in Kleinfeld's lab and the first author of the study. "Electrons are ripped away from atoms to form a plasma on a time scale too...
Stiffness of aorta predicts stroke deaths in hypertensive patients
...iffness was gauged by measuring how long it took a pulse
wave to move from the heart to other parts of the ...in the association. Aortic stiffness may increase pulse
pressure (the difference between the upper and lower numbers in a blood pressure reading) thereby in...
Emory scientists present alternative for surgical biventricular resynchronization
...rt's ventricles to beat at the same time. A small pulse
generator (about the size of two stacked silver dollars) is implanted beneath the skin in the shoulder region and delivers synchronized electrical stimulation to three chambers of the heart through insulated wires (leads), allowing more efficient p...
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