P Ask

发表

A bioacoustic method for timing of the different phases of the breathing cycle and monitoring of breathing frequency.

P Hult, B Wranne, P Ask, 2000, Medical engineering & physics.

Two-dimensional color Doppler flow velocity profiles can be time corrected with an external ECG-delay device.

B Wranne, P Ask, L Eidenvall, 1992, Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography.

A method for accurate localization of the first heart sound and possible applications

P Ask, C Ahlstrom, T Länne, 2008, Physiological measurement.

Increased accuracy of echocardiographic measurement of flow using automated spherical integration of multiple plane velocity vectors.

P Ask, P. Ask, B. Janerot-Sjöberg, 1999, Ultrasound in medicine & biology.

Frequency content of esophageal peristaltic pressure.

P Ask, P. Ask, L. Tibbling, 1979, The American journal of physiology.

Assessment of effective orifice area of prosthetic aortic valves with Doppler echocardiography: an in vivo and in vitro study.

K Caidahl, B Wranne, P Ask, 2001, The Journal of thoracic and cardiovascular surgery.

A bioacoustic method for timing of respiration at cardiac investigations.

B Wranne, P Ask, B Hök, 1995, Clinical physiology.

An improved bioacoustic method for monitoring of respiration.

P Hult, B Wranne, P Ask, 2004, Technology and health care : official journal of the European Society for Engineering and Medicine.

Quantification of heart valve regurgitation: a critical analysis from a theoretical and experimental point of view.

B Wranne, P Ask, P. Ask, 1985, Clinical physiology.

The shape of the proximal isovelocity surface area varies with regurgitant orifice size and distance from orifice: computer simulation and model experiments with color M-mode technique.

M Karlsson, B Wranne, P Ask, 1993, Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography.

Subaortic flow profiles in aortic valve disease: a two-dimensional color Doppler study.

B Wranne, P Ask, P. Ask, 1994, Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography.