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Voluson i

Manufactured by GE Healthcare
Sourced in United States

The Voluson i is a compact and portable ultrasound system designed for general imaging applications. It features advanced imaging technologies to provide high-quality diagnostic images.

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14 protocols using voluson i

1

Fetal Response to Maternal Stimuli

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The experiment took place in the morning in a semi-darkened room of the Developmental Neuropsychology laboratory of the School of Psychology at the University of Dundee. Mothers lay on a scanning bed, with a pillow behind their heads. The experimenter sat next to the participant with the ultrasound system 'GE Voluson i' with a 'RAB4-8-RS4D' probe, set to 4 frames per second capturing the upper torso including the face of the fetus. A 27-inch monitor was positioned at the end of the bed so that the participant was able to follow the scan.
Each mother participated in three conditions. The ‘Voice’ condition required the participant to read either of two stories (Little Three Pigs [27 ] or Jack and the Beanstalk [28 ]) counterbalanced across all participants. In the ‘Touch’ condition mothers touched their abdomen as they usually would—stroking and rubbing the abdomen without interfering with the ultrasound probe and in the ‘Control’ condition mothers lay quietly with hands beside their bodies.
Each block began with a baseline period followed by the stimulus (touch, voice, control, depending on condition), followed by a second baseline period. Each section lasted for 3 minutes, thus each session lasted for 9 minutes, resulting in a total scanning time of 27 minutes per participant. The order of the three conditions was randomized and counterbalanced across all participants.
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2

Bedside Lung Ultrasound for RDS Diagnosis

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This was a double blind study. A high-resolution line probe with a frequency of more than 7.5 MHz (generally 11-12 MHz) (GE Voluson i or E6, USA) was used in this study. A lung ultrasound was performed at bedside by a single expert immediately after admission. The transthoracic approach was performed with longitudinal scans of the anterior and posterior chest walls. The ultrasound execution cut-off time was 5 minutes. A conventional antero-posterior chest x-ray was performed at the bedside on RDS patients immediately following the lung ultrasound, and was read by an independent radiologist who was unaware of the ultrasound results.
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3

Ultrasonography-Guided Triamcinolone Injection for Post-Stroke CRPS

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Ultrasonography was also performed after clinical diagnosis of poststroke CRPS. A board-certified physiatrist (KHS) with 7 years of musculoskeletal ultrasonographic experience performed ultrasonographic studies for the evaluation of wrist pain and swelling by utilizing 5 to 12 MHz (Voluson i; GE, WI) linear array transducer.
The patients were asked to sit with the forearm pronated and a shallow pillow was placed underneath the wrist during the sonographic examination. The cross-sectional area (CSA) of both EDC tendon sheaths were measured at the distal level of the ulnar styloid process and calculated directly by continuous tracing of the boundaries along the echogenic boundary (Fig. 3). The 1 mL of 40 mg triamcinolone was injected at the tendon sheath of EDC using sterile techniques.
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4

Bedside Lung Ultrasound in RDS Diagnosis

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This was a double blind study. A high-resolution line probe with a frequency of more than 7.5 MHz (generally 11-12 MHz) (GE Voluson i or E 6, USA) was used in this study. A lung ultrasound was performed at bedside by a single expert immediately after admission. The transthoracic approach was performed with longitudinal scans of the anterior and posterior chest walls. The ultrasound execution cut-off time was 5 minutes. A conventional antero-posterior chest x-ray was performed at the bedside on RDS patients immediately following the lung ultrasound, and was read by an independent radiologist who was unaware of the ultrasound results.
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5

Renal Ultrasound and CT Imaging of Dolphins

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Renal ultrasound examinations were performed in real-time, B-mode either in water or on land. Portable ultrasound units (Voluson i, GE Healthcare, Waukesha, WI; and M-Turbo, Sonosite, Bothell, WA) with 2-5MHz variable frequency and curvilinear transducers were utilized. The GE ultrasound unit was equipped with Z800 video glasses (eMagin, Bellevue, WA) and the Sonosite unit with Cinemizer video glasses (Carl Zeiss, Oberkochen, Germany). Both kidneys were examined for evidence of nephrolithiasis in both dorsal and transverse planes. Nephrolithiasis was defined as hyperechoic foci within the renal parenchyma with distinct acoustic shadows [Figure 1].
Three case dolphins were transported to the Naval Medical Center San Diego’s computed tomography (CT) facility [Figure 1]. Sedation was induced with an intramuscular dose of midazolam (0.04-0.08mg/kg), and dolphins were continuously monitored by veterinary personnel during the CT examination using GE Lightspeed RT16 helical CT scanner (GE Healthcare, Waukesha, WI). Non-contrast helical images were obtained during a normal prolonged end-inspiratory breath hold using contiguous 1.25 mm slices.
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6

Transrectal Ultrasonography of Rhinoceros Reproductive Organs

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The reproductive organs were examined by transrectal ultrasonography as a standardized procedure in all captive rhinoceros species [12] (link), [31] (link). Genital organs, including the vagina, cervix, uterus and ovaries, were imaged with a hand-held ultrasound probe in cross and longitudinal sections (Oculus CS 9100, 2–5 MHz probe, Hitachi, Physia GmbH, Neu-Isenburg, Germany; Voluson I, 2–5 MHz, GE Healthcare, Berlin, Germany; Sonosite Plus 180, Sonosite Titan, 4–2 MHz, SonoSite GmbH, Frankfurt a.M., Germany). Video sequences and still images of all ultrasound examinations were recorded for retrospective analysis.
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7

Multimodal Evaluation of Trunk Muscle Activity

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Surface EMG data were recorded at 2000Hz from four muscles bilaterally (Fig. 1a): thoracic and lumbar erector spinae (TES and LES), and internal and external oblique (IO and EO) (Trigno, Delsys Inc., USA). Prior to application of surface EMG sensors, all locations were shaved and cleaned with alcohol to ensure low impedance. Fine wire EMG was recorded synchronously from three muscles unilaterally (right side): IO, TrA, and the deep fibers of multifidus (MF). All indwelling electrodes were inserted under the guidance of ultrasound imaging (USI) (Voluson i, GE Health Care, UK) to ensure correct positioning (Fig. 1b). Kinematic data were collected concurrently at 50 Hz from 12.7 mm reflective markers (B&L Engineering, Santa Ana, CA, USA) placed over key body landmarks to track 3D whole-body motion using 13 motion capture cameras (Oqus 400+, Qualisys, Sweden) (see Additional file 1, which lists all tracking and calibration markers).

a Experimental setup for surface EMG: external oblique (EO), internal oblique (IO), thoracic erector spinae (TES) and lumbar erector spinae (LES). b Ultrasound images of the muscles of interest for indwelling EMG: internal oblique (IO), transversus abdominis (TrA), and deep multifidus (MF)

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8

Ultrasound Examination of Achilles Tendons

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Tendons were examined using real-time grey-scale B-mode ultrasound and power Doppler with a high-resolution, portable ultrasound system (Voluson I, GE Healthcare, London, UK) equipped with a 3–12 MHz linear transducer. Power Doppler frequency was set to 7 MHz, and the gain was set just below the level that produced random noise. Ultrasound examinations were performed by a radiology trainee (SH) with experience of imaging over 200 Achilles tendons. Participants lay prone with their feet hanging over the end of the medical plinth and pointing directly downward. Tendons were imaged in the sagittal and axial planes, taking care to avoid anisotropy. The anteroposterior diameter of the Achilles tendon was measured from axial ultrasound images [16 (link)] at the midportion of the Achilles tendon (Fig. 1) [5 (link), 6 (link), 11 (link)]. Echogenicity of the Achilles tendon was rated as normal or hypoechoic, and power Doppler signal was assessed (present or absent) [17 (link)].

Example of measurement of the anteroposterior (AP) thickness of an Achilles tendon

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9

Ultrasound-guided Bilateral Paravertebral Block

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Before the induction of GA, the patients in both groups underwent ultrasound-guided bilateral PVB in the prone position using an ultrasound machine (Voluson i, GE USA) and a high-frequency linear array probe. After the probe was placed at the level of the T10 -11 interspace, the apex of the paravertebral space was visualized. An 18G, 10 cm needle (Kangdelai, China) was inserted in the lateral-to-medial direction using an in-plane approach and advanced until the needle tip penetrated the internal intercostal membrane. The 15 ml mixed liquor (0.5% ropivacaine plus 0.2 μg·kg−1 dexmedetomidine in group OFA; 0.5% ropivacaine in group OA) was subsequently injected into the paravertebral space. The same procedure was repeated on the other side at T10—11. Sensory blockade was tested using the pinprick method. Patients were observed for adverse reactions associated with PVB over the next 15 min.
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10

Volumetric Ultrasound Scanning Technique

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The ultrasound scan was performed using a Voluson-I (GE HealthCare, USA), equipped with a multi-frequency volume convex transducer of 4–8.5 MHz (RAB4-8-RS). Volumetric scanning was performed by vibration of the linear plane using the transducers (mechanical scanning principle).
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