BioZ™ AdvaSense ICG Sensing System for DX Systems (BZ‑1550‑50)

BioZ™ AdvaSense ICG Sensing System for DX Systems (BZ-1550-50). CardioDynamics BioZ Dx ICG Electrodes for 12 Lead EKG and Hemodynamic Parameters. 2/STRIP, 4/PK, 50PK/CS (200 electrodes). Priced per Case.

How it works:

• Four pairs of electrodes are placed at the neck and the diaphragm level, delineating the thorax
• High frequency, low magnitude current is transmitted through the chest in a direction parallel with the spine from the set of outside pairs
• Current seeks path of least resistance: the blood filled aorta (the systolic phase signal) and both vena cava superior and inferior (the diastolic phase signal, mostly related to respiration)
• The inside pairs, placed at the anatomic landmarks delineating thorax, sense the impedance signals and the ECG signal
• ICG measures the baseline impedance (resistance) to this current
• With each heartbeat, blood volume and velocity in the aorta change
• ICG measures the corresponding change in impedance and its timing
• ICG attributes the changes in impedance to (a) the volumetric expansion of the aorta (this is the main difference between ICG and Electrical Cardiometry) and (b) to the blood velocity-caused alignment of erythrocytes as a function of blood velocity
• ICG uses the baseline and changes in impedance to measure and calculate hemodynamic parameters

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