Music of Today Series, UW Modern Ensemble, Inverted Space, "Music by Luigi Nono," February 25, 2014

Concert Program for Music of Today Series, UW Modern Ensemble, Inverted Space, Andre Richard, February 25, 2014

Music of Today Series, UW Modern Ensemble, May 19, 2014

Concert Program for Music of Today Series, UW Modern Ensemble, May 19, 2014

Concert of Harpsichord Music, November 3, 1966

Concert Program for Concert of Harpsichord Music, November 3, 1966

Noon Recital, Music for Harpsichord and Piano, May 14, 1969

Concert Program for Noon Recital, Music for Harpsichord and Piano, May 14, 1969

A Concert of 17th and 18th Century Music, November 16, 1953

Concert Program for A Concert of 17th and 18th Century Music, November 16, 1953

Chamber Music Recital, May 1, 1960

Concert Program for Chamber Music Recital, May 1st, 1960

A Concert of Japanese Music, January 20, 1966

Concert Program for A Concert of Japanese Music, January 20, 1966

Noon Recital, Joel Salsman, pianist, Music of Alan Hovhaness, February 11, 1966

Concert program for Noon Recital, Joel Salsman, pianist, Music of Alan Hovhaness, February 11, 1966

A Concert of American Music, February 9, 1964

Concert Program for A Concert of American Music, February 9, 1964

Twentieth Century Music December 6, 1971

Concert Program for Twentieth Century Music, Dec. 6, 1971

New Music by Young Composers, performed by Members of the Contemporary Group, December 4, 1978

Concert Program for New Music by Young composers, performed by Members of the Contemporary Group, December 4, 1978

New Music by Young Composers, performed by Members of the Contemporary Group, May 31, 1978

Concert Program for New Music by Young composers, performed by Members of the Contemporary Group, May 31, 1978

Rare Gems: Uncommon Chamber Music January 18, 2001

Concert Program for Rare Gems: Uncommon Chamber Music January 18, 2001

Modern Music Ensemble December 4, 2015

Concert Program

The Finometer can function as a standalone instrument in blood pressure variability studies and does not require support equipment to determine breathing frequency

Objective: The Finometer (FMS, Finapres Measurement Systems, Amsterdam) records the beat-to-beat finger pulse contour and has been recommended for research studies assessing shortterm changes of blood pressure and its variability. Variability measured in the frequency domain using spectral analysis requires that the impact of breathing be restricted to high frequency spectra (> 0.15 Hz) so data from participants needs to be excluded when the breathing impact occurs in the low frequency spectra (0.04 - 0.15 Hz). This study tested whether breathing frequency can be estimated from standard Finometer recordings using either stroke volume oscillation frequency or spectral stroke volume variability maximum scores. Methods: 22 healthy volunteers were tested for 270s in the supine and upright positions. Finometer recorded the finger pulse contour and a respiratory transducer recorded breathing. Stoke volume oscillation frequency was calculated manually while the stroke volume spectral maximums were obtained using the software Cardiovascular Parameter Analysis (Nevrokard Kiauta, Izola, Slovenia). These estimates were compared to the breathing frequency using the Bland-Altman procedures. Results: Stroke volume oscillation frequency estimated breathing frequency to <±10% 95% levels of agreement in both supine (-7.7 to 7.0%) and upright (-6.7 to 5.4%) postures. Stroke volume variability maximum scores did not accurately estimate breathing frequency. Conclusions: Breathing frequency can be accurately derived from standard Finometer recordings using stroke volume oscillations for healthy individuals in both supine and upright postures. The Finometer can function as a standalone instrument in blood pressure variability studies and does not require support equipment to determine breathing frequency.