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Alternans in Medical News

An angry heart can lead to sudden death, Yale researchers find

...iven a mental stress test requiring them to recall a stressful situation that angered them. Lampert and her team sought to discover whether T-wave alternans (TWA), which monitor electrical instability in the heart induced by anger, would predict future ventricular arrhythmias. The team found that those in ...

Control Your Anger, Help Your Heart

...ectrical activity of the heart as it beats. T-wave alternans is a wide variation in the height or regularity of... that bump. A number of studies have linked T-wave alternans to the risk of a potentially fatal heart arrhythmi...lts to keep the heart beating regularly. T-wave alternans can be detected by a physical stress test. A repor...

2-in-1 Test Signals Risk After Heart Attack

... can increase cardiovascular risk, said Dr. David S. Rosenbaum, professor of medicine at Case Western Reserve University, who first reported on T-wave alternans in 1994. "This is where this paper extends our knowledge," Rosenbaum said. "It shows that the two [irregularities] have a synergistic effect in a p...

Are One-Third of Costly Implanted Heart Devices Unnecessary?

...heir heart muscle caused by lack of blood flow — a condition called ischemic cardiomyopathy. Each patient received a test called microvolt T-wave alternans or MTWA, along with a battery of other tests, during their evaluation. Half of the patients went on to receive ICDs, although the MTWA test results we...

New Test Identifies Candidates For Cardiac Defibrillator

...e American College of Cardiology’s journal has reported the findings of the study. The heart’s electrical activity is measured by the Microvolt T-wave alternans (MTWA) test, when even a minor physical exercise is being performed by the patient. Threatening rhythm disturbances which the traditional electrocardi...
Alternans in Medical Products

Marquette T-Wave Alternans (TWA) Analysis

Description: GE Healthcare is known as an innovator in best-in-class analysis programs for every major care area monitoring device. With advanced programs such as 12SL, Gender-Specific, and ACI-TIPI, GE can help you optimize your quality of care and process efficiency....
Company:GE Healthcare

HearTwave II Microvolt T-Wave Alternans System With Analytic Spectral Method

Description: The HearTwave II system is the Cambridge Heart next generation Microvolt T-Wave Alternans (MTWA) testing platform which simplifies hospital and office-based sudden cardiac death risk stratification. This new system offers expanded versatility as it can be configured to perform MTWA and/or standard ...
Company:Cambridge Heart Inc.

HearTwave Microvolt T-Wave Alternans System

Description: The HearTwave system is the original stand-alone Microvolt T-Wave Alternans (MTWA) testing platform....
Company:Cambridge Heart Inc.

CH2000 Cardiac Diagnostic System

Description:... The CH 2000 Cardiac Diagnostic system is a fully featured stress testing system that can include Microvolt T-Wave alternans (MTWA) testing capability as an add-on feature. Interfaces with Trackmaster Treadmills ....
Company:Cambridge Heart Inc.

Premier 12 Holter Analysis Kit

Description:... The Premier 12 Holter Analysis Kit incorporates detection of T-wave alternans (TWA) and QT Dispersion with other powerful DMS Holter analysis tools. Premier 12 makes a complete 24-hour TWA analysis possible in less than 10 secon...
Company:DMS-Service, LLC

Cambridge Heart CH2000 Stress-Test System

Description:...kthrough in non-invasive cardiac diagnosis, the fully featured CH2000 Stress Test System is the first and only stress test system that measures T-wave alternans at the microvolt level. The pre-test lead check provides a quality control facility, this combines with the WAVESTAR ECG filter that dynamically filte...
Company:Del Mar Reynolds Medical
Alternans in Biological News

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

...eir heart muscle caused by lack of blood flow -- a condition called ischemic cardiomyopathy. Each patient received a test called microvolt T-wave alternans or MTWA, along with a battery of other tests, during their evaluation. Half of the patients went on to receive ICDs, although the MTWA test results we...
Alternans in Biological Technology

CV Therapeutics Announces Presentations at American Heart Association Scientific Sessions 2008

...he Duke Cardiovascular Databank; Oral Presentation, Tuesday, November 11, 2008, 9:00 a.m. CST Late Sodium Current Discordant T Wave and Mechanical alternans in Left Ventricular Hypertrophy: Role of Late Sodium Current; Poster Presentation, Wednesday, November 12, 2008, 9:00 a.m. CST Additional informatio...
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