Trans-thoracic echocardiography was performed to assess cardiac function of acute myocardial infarction patients. All patients finished echocardiography examination within one week after hospitalization. A trained echo-cardiologist blinded to the experiment performed all the measurements with GE Vivid 7 system (GE Health Care, Netherlands). Left ventricular M-mode spectrum was performed in standard parasternal long-axis view to measure LV diameter at end cardiac diastole (LVDd) and systole (LVDs). The Teicholz method was used to calculate left-ventricular volumes and left-ventricular ejection fraction. Index including left ventricular posterior wall thickness (LVPWT), inter-ventricular septal thickness at diastole (IVSTd), left atrial diameter (LAD) and aorta dimension (AoD) were measured. All measurements were repeated for three consecutive pulsation cycles and averaged for statistical analysis.
Ge vivid 7 system
Manufactured by GE Healthcare
Sourced in United States
The GE Vivid 7 system is a diagnostic ultrasound device designed for use in a variety of medical settings. It is capable of producing high-quality images to support clinical decision-making. The system offers a range of features and functionalities to enable effective patient examination and analysis.
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Lab products found in correlation
9 protocols using ge vivid 7 system
1
Echocardiographic Assessment of Acute Myocardial Infarction
2
Echocardiographic Assessment of LVH
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A two-dimensional transthoracic ECO was performed with GE VIVID 7 System (General
Electric Company, USA) by an experienced echocardiographist without prior
knowledge of the results of other tests. Determination of internal chamber size,
global and segmental ventricular systolic function, diastolic function and
structural changes were performed. Patients and controls were considered to have
LVH if left ventricular mass index (LVMi) were higher than 88 g/m2 in
women and 102 g/m2 in men.10 (link)
Electric Company, USA) by an experienced echocardiographist without prior
knowledge of the results of other tests. Determination of internal chamber size,
global and segmental ventricular systolic function, diastolic function and
structural changes were performed. Patients and controls were considered to have
LVH if left ventricular mass index (LVMi) were higher than 88 g/m2 in
women and 102 g/m2 in men.10 (link)
3
Echocardiography for Pulmonary Artery Assessment
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Transthoracic echocardiography was performed in the supine and left lateral positions using a Philips IE33 system (Philips Healthcare, Amsterdam, The Netherlands) or GE Vivid 7 system (GE Healthcare, Chicago, IL, USA) with a 3.5- to 8.0-MHz phased-array transducer. All patients underwent standard two-dimensional and Doppler echocardiographic examinations, which included the suprasternal left heart long-axis view, aortic short-axis view, pulmonary artery long-axis view, and apical four-chamber view and the subxiphoid view of the pulmonary artery. In addition, we used special views to show the pulmonary artery, such as the high parasternal view, suprasternal aortic short-axis view, and pulmonary artery short-axis view. We analyzed artifacts including location, length, form, movement, degree of clarity, dilation of the pulmonary artery, and pulmonary pressure.
4
Echocardiographic Imaging Systems Comparison
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Echocardiography was performed using a GE LOGIQ E9 XDclear 2.0 system (GE Healthcare, Milwaukee, WI, USA) fitted with a 1.5‐4.6‐MHz sector probe, a GE Vivid7 system (GE Healthcare) fitted with a 1.5‐4.0‐MHz sector probe, a Philips IE33 system (Philips Medical, Best, Netherlands) fitted with a 1‐5‐MHz sector probe, or a Philips SONOS 7500 system (Philips Medical) fitted with a 1‐3‐MHz sector probe.
5
Evaluating LV Strain in HFpEF Patients
6
Echocardiographic Assessment of Rabbit I/R
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Rabbit heart function was assessed by transthoracic echocardiography at day 21 following the induction of I/R. All echocardiographic analyses were performed in a blinded manner by the same echocardiographer. The left ventricular internal dimension-diastole (LVIDd) and left ventricular internal dimension-systole (LVIDs) were assessed in short-axis two-dimensional views at the level of the mid-papillary muscle with a GE Vivid 7 system (GE Healthcare Life Sciences, Shanghai, China) and a standard phased-array. LVIDd and LVIDs were measured from at least three consecutive cardiac cycles. The ejection fraction was calculated as (LVIDd − LVIDs) / LVIDd × 100.
7
Evaluating Left Ventricular Function
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A two-dimensional transthoracic echocardiography was performed with GE VIVID 7 System
(General Electric, USA) to assess left ventricle wall motion and systolic and
diastolic ventricular function.
(General Electric, USA) to assess left ventricle wall motion and systolic and
diastolic ventricular function.
8
Echocardiographic Assessment of Cardiac Function
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A two-dimensional transthoracic echocardiography was performed with GE VIVID 7 System (General Electric Company, USA) to assess left ventricle wall motion and systolic and diastolic ventricular function.
9
Comprehensive Echocardiographic Assessment Protocol
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All participants underwent a complete transthoracic echocardiography according to the American Society of Echocardiography guidelines ( 14) by one operator, who was blinded to the clinical and laboratory results of the study group. Transthoracic echocardiographic studies were carried out with the patient in the left lateral position using a GE Vivid 7 system (GE, Horten, Norway) with a 3.5-MHz transducer. All data were transferred to a workstation for further offl ine analysis (EchoPAC-PC v7.1,2; GE Vingmed Ultrasound AS, Horten, Nor-way). LV internal dimensions (enddiastolic LV diameter and end-systolic LV diameter) and wall thickness of the ventricular septum and posterior wall were measured from two-dimensional (2D-guided) M-mode echocardiographic tracings obtained at the mid-chordal level of the parasternal long axis. LV end-diastolic and end-systolic volumes and EF were measured in apical two-chamber (2C) and four-chamber views. LA volume (ml/ m2) was measured using the biplane area-length method and normalized for body surface area. The transmitral fl ow velocity was obtained from apical 4C view with the pulsed-wave Doppler method. After measuring the peak early (E) and late (A) diastolic velocities and deceleration time (DT), the ratio of early to
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