Search results for "Phase contrast microscopy"

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Anteil des frühen systolischen Flussanstiegs am antegrad fließenden Gesamtvolumen bei Phasenkontrast-Flussmessungen in Atemanhaltetechnik

2005

Purpose To evaluate the contribution of early systole for the assessment of antegrade aortic flow volume by breath-hold velocity-encoded magnetic resonance (MR) flow measurements. Materials and methods Expiratory breath-hold fast low-angle shot (FLASH) phase-contrast flow measurements (temporal resolution tRes 61 msec, shared phases) perpendicular to the proximal ascending aorta and short axis true fast imaging with steady-state precession (TrueFISP) cine MR ventriculometry (tRes 34.5 msec) were performed in ten healthy male volunteers on a 1.5 T MR system (Sonata, Siemens Medical Solutions). Antegrade aortic flow volume (AFV) and left ventricular stroke volume (LV-SV) were evaluated using …

medicine.medical_specialtyShort axisVentricular functionmedicine.diagnostic_testbusiness.industryPhase contrast microscopySignificant differenceMagnetic resonance imagingBlood flowlaw.inventionSurgeryVolume (thermodynamics)Flow (mathematics)Paired sampleslawmedicine.arteryAscending aortaLeft ventricular Stroke volumeMedicineRadiology Nuclear Medicine and imagingSystolebusinessNuclear medicineRöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren

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