Echocardiography was performed at P5 and P10 using a Vevo3100 imaging system (VisualSonics) with MX550 (for P10) or MX700 (for P5) probes. Two-dimensional-guided M-mode images of the short axis at the papillary muscle level were recorded. Data were analyzed by VevoLab 3.2.5 software using Auto-LV technology to minimize the variability between the measurement and confirmed by an experienced researcher. For electrocardiography (ECG) measurements the PR interval was measured from the beginning of the P-wave to the beginning of the QRS complex; QRS duration was measured from the first deflection of the Q-wave to the nadir of the S-wave (defined as the point of minimum voltage in the terminal portion of the QRS complex); the R-R interval was obtained as the average R-R interval over the sampling period.
Mx700
Manufactured by Fujifilm
Sourced in Canada
The Fujifilm MX700 is a lab equipment product designed for high-performance imaging applications. It features a compact and durable design, ensuring reliable and consistent performance in various laboratory settings.
Automatically generated - may contain errors
4 protocols using mx700
1
Echocardiography and Electrocardiography in Mice
2
Echocardiographic Assessment of Post-MI
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Echocardiography was performed 21 days after MI using a Vevo 3100 imaging system (VisualSonics) with the MX550 or MX700 probe. Parasternal long-axis views, short-axis views, and 2-dimensional-guided M-mode images of the short axis at the papillary muscle level were captured. To minimize variability between the measurements, all echocardiographic measurements were analyzed by VevoLab 3.2.5 software using artificial intelligence–based Auto-LV technology.
3
Transthoracic Echocardiography Using Vevo 3100 LT
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The transthoracic echocardiography was performed using a Vevo 3100 LT (FUJI FILM VisualSonics) and a transducer of 50-MHz MX-700. The level of the papillary muscles, two-dimensional B-mode tracings were recorded in both long and short-axis views, followed by one-dimensional M-mode tracings in the both axes, with at least three consecutive cardiac cycles analyzed. Data was analyzed by using Vevo LAB Software Package V3.2.6. Echocardiographic parameters between two groups were compared using Wilcoxon rank sum tests, and P-values were adjusted for multiple testing using the Benjamini-Hochberg procedure in R.
4
High-Frequency Ultrasound Tumor Volumetry
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High-frequency ultrasound (HF-US) was performed using a Vevo3100 HF-US system (Fujifilm VisualSonics Inc., Toronto, Canada) with a 50 MHz (MX700) or a 40 MHz (MX550D) transducer (Fujifilm VisualSonics Inc.) reaching a spatial resolution of approximately 30–40 µm. Sagittal and transversal images of the region of interest were obtained. Calculation of tumor volume was performed with VevoLab Software (Version 5.5.1, Fujifilm VisualSonics Inc.) using the formula displayed in Eq. 1 (Tumor volume calculation).
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