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Summit VISTA ABI L450VA Ankle Brachial Index Doppler

  • Summit VISTA ABI L450VA Ankle Brachial Index Doppler
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Product Description

Summit VISTA ABI L450VA Ankle Brachial Index Doppler



The Vista AVS makes the ABI and other arterial exams faster and easier to conduct, interpret and document. The exam is managed by an on-screen guide and hand-held controller. Advanced diagnostic features have been included to enable the user to perform fast, efficient peripheral arterial exams. The Vista AVS has three modality options that allow for variation in obtaining systolic pressures and waveforms. Either the bi-directional Doppler probe or pulse volume recording (PVR) can be used to obtain ankle waveforms for reimbursement. Pressures are obtained by using either the bi-directional Doppler probe or the PPG probe. Features and Options: - Automatic cuff inflation/deflation system Two modalities – Doppler, PVR (Optional PPG Package Available) - Automatic ABI calculation - Built-in printer for waveforms, pressures, and index printed on adhesive-backed label paper - Graphic waveform display with step-by-step instructions - Battery or line powered - Includes 2 cuffs – 1,10cm – 1,12cm - 8MHz Bi-Directional probe (Optional 5MHz probe Available)

Bi-directional Doppler probe is used to obtain both systolic pressures and waveforms. Blood flow toward the probe is indicated above the baseline and flow away is indicated below. Pressures obtained by using a Doppler are considered the gold-standard for the ABI exam.

PVR is another method to obtain a waveform by applying cuffs to the limb and inflating to 65mmHg to detect the minuscule fluctuations in limb volume that occur with each heartbeat. Since Doppler sensitivity may be diminished due to arterial calcification, PVR is usually the option of choice for obtaining a peripheral arterial waveform from patients with noncompressible arteries, such as patients with diabetes and renal disease.

Arterial PPG is another modality used for detecting small changes of blood volume. When used with a digit cuff, the PPG is quite useful for measuring toe pressures of patients with noncompressible arteries. The comparison of toe pressure to brachial pressure is referred to as the Toe Brachial Index (TBI) exam.


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