hertz

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hertz

(Hz) [herts]
the SI unit of frequency, equal to one cycle per second.

Hertz

(hārts),
Heinrich R., German physicist, 1857-1894. See: hertz, hertzian experiments.

hertz (Hz),

(herts),
A unit of measure of frequency equivalent to 1 cycle/sec; this term should not be used for radial (circular) frequency or for angular velocity, in which cases the term sec-1 should be used.
[H.R. Hertz]

hertz

(Hz) (herts) the SI unit of frequency, equal to one cycle per second.

hertz (Hz)

[hurts, herts]
Etymology: Heinrich R. Hertz, German physicist, 1857-1894
a unit of measurement of wave frequency equal to 1 cycle per second.

hertz

The standard SI (International System) unit of frequency, which is equal to 1 cycle/second.

hertz

(Hz) (hĕrts)
A unit of sound or alternating current frequency, 1 Hz is equivalent to 1 cycle per second.
[H.R. Hertz]

hertz (Hz)

the SI UNIT of frequency measuring cycles per second.

Hertz,

Heinrich R., German physicist, 1857-1894.
hertz - a unit of frequency equivalent to 1 cycle per second.
hertzian experiments - experiments demonstrating that electromagnetic induction is propagated in waves analogous to waves of light but not affecting the retina.

hertz

A unit of frequency equal to one cycle per second. Symbol: Hz.

hertz

a unit of frequency, equal to one cycle per second; symbol, Hz.
References in periodicals archive ?
Microvolt T-wave alternans amplifies spatial dispersion of repolarization in human subjects with ischemic cardiomyopathy.
The same situation is also valid for T-wave of the ECG records.
44% of patients showed T-wave changes and these included 24 cases of inverted T waves, 8 cases with flat T waves, and 12 cases of biphasic T waves.
HCM patients usually demonstrate a combination of T-wave inversion not including V1, III and aVR, ST-segment depression, left bundle branch block, left axis deviation, pathological Q-waves, left atrial enlargement and voltage criterion for left ventricular hypertrophy).
Wellen's syndrome is a characteristic pattern of T-wave changes on ECG indicating a high-grade stenosis of proximal LAD in those patients who present with unstable angina, at a time when there is no pain.
Presence of T-wave changes or bundle branch block (LBBB or RBBB) in this cohort of patients with CCHF predicted death with a sensitivity of 72.
In this method, each consecutive T-wave (Tm) is compared to the median T-wave (Tmdn) computed from all 128 T-waves contained in the rows of the Amxn data matrix.
T-wave testing combined with other tests could reduce unnecessary use of defibrillators by as much as 40 percent, Rosenbaum says.
Moreover, an abnormal T-wave alternans test was associated with a 7.
Two multicenter trials are under way to further evaluate the utility of microvolt T-wave alternans technology.
The results of this study further demonstrate the predictive power of our Microvolt T-Wave Alternans technology" said David Chazanovitz, president andCEO of Cambridge Heart, "We would anticipate that both physicians and payers would view these study results as a demonstration of the important role MTWA testing can play in both increasing the effectiveness of ICD therapy and controlling costs.

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