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Transthoracic echocardiography (TTE) demonstrated a left ventricular ejection fraction of 65% and a perimembraneous ventricular septal defect (VSD) jet with a 120 mmHg maximal gradient obtained by the continuous wave Doppler.
In addition to integrating digital I/Q demodulation on-chip, the AFE5809 also integrates a continuous wave Doppler (CWD) processor for blood flow velocity measurement on-chip, reducing the bill of materials (BOM) in medical ultrasound equipment.
The ABI is measured with a handheld continuous wave Doppler ultrasound device and a blood pressure cuff.
Recent research concerning the use of a continuous wave Doppler velocimeter suggests this device may provide a more objective assessment of vertebral artery blood flow than the present provocative tests.
The unit comes with either a bidirectional 4-MHz or 8-MHz frequency continuous wave Doppler transducer.
SonoSite announced the addition of two new cardiology transducers to the MicroMaxx system -- the P10/8-4 for pediatric cardiology imaging and the D2/2MHz CW Pedof for non-imaging, continuous wave Doppler to provide improved access to obtain peak velocities within the heart.
Continuous wave Doppler tracing of tricuspid regurgitation velocity curves were recorded at a sweep speed of 100 mm/sec.
The new C10-3 curved-array transducer offers Continuous Wave Doppler (CW) imaging designed for evaluating high velocity blood flow of cardiovascular anomalies.