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Results of the external validation. ( A–C ) Agreement between the invasively measured pressure curves (i.e. ground truth) and those predicted by the three investigated methods using the invasively derived peak systolic pressure as input. ( D–F ) Agreement between the invasively measured pressure curves (i.e. ground truth) and those predicted by the three investigated methods using the non-invasively derived peak systolic pressure (i.e. the peak RV pressure estimated from the Doppler <t>echocardiography–derived</t> peak velocity of the tricuspid regurgitation jet) as input. The thick red line indicates the mean difference. LV, left ventricular; PVC, pulmonary valve closure; PVO, pulmonary valve opening; RV, right ventricular; TVC, tricuspid valve closure; TVO, tricuspid valve opening.
4d Rv Function 2, supplied by Tomtec Inc, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/result/4d rv-function 2/product/Tomtec Inc
Average 90 stars, based on 1 article reviews
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4d rv-function 2  (TOMTEC IMAGING SYSTEMS GMBH)
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Results of the external validation. ( A–C ) Agreement between the invasively measured pressure curves (i.e. ground truth) and those predicted by the three investigated methods using the invasively derived peak systolic pressure as input. ( D–F ) Agreement between the invasively measured pressure curves (i.e. ground truth) and those predicted by the three investigated methods using the non-invasively derived peak systolic pressure (i.e. the peak RV pressure estimated from the Doppler <t>echocardiography–derived</t> peak velocity of the tricuspid regurgitation jet) as input. The thick red line indicates the mean difference. LV, left ventricular; PVC, pulmonary valve closure; PVO, pulmonary valve opening; RV, right ventricular; TVC, tricuspid valve closure; TVO, tricuspid valve opening.
4d Rv Function 2, supplied by TOMTEC IMAGING SYSTEMS GMBH, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/result/4d rv-function 2/product/TOMTEC IMAGING SYSTEMS GMBH
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4d rv function 2  (TOMTEC IMAGING SYSTEMS GMBH)
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Results of the external validation. ( A–C ) Agreement between the invasively measured pressure curves (i.e. ground truth) and those predicted by the three investigated methods using the invasively derived peak systolic pressure as input. ( D–F ) Agreement between the invasively measured pressure curves (i.e. ground truth) and those predicted by the three investigated methods using the non-invasively derived peak systolic pressure (i.e. the peak RV pressure estimated from the Doppler <t>echocardiography–derived</t> peak velocity of the tricuspid regurgitation jet) as input. The thick red line indicates the mean difference. LV, left ventricular; PVC, pulmonary valve closure; PVO, pulmonary valve opening; RV, right ventricular; TVC, tricuspid valve closure; TVO, tricuspid valve opening.
4d Rv Function 2, supplied by TOMTEC IMAGING SYSTEMS GMBH, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/result/4d rv function 2/product/TOMTEC IMAGING SYSTEMS GMBH
Average 90 stars, based on 1 article reviews
4d rv function 2 - by Bioz Stars, 2026-06
90/100 stars
  Buy from Supplier

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Results of the external validation. ( A–C ) Agreement between the invasively measured pressure curves (i.e. ground truth) and those predicted by the three investigated methods using the invasively derived peak systolic pressure as input. ( D–F ) Agreement between the invasively measured pressure curves (i.e. ground truth) and those predicted by the three investigated methods using the non-invasively derived peak systolic pressure (i.e. the peak RV pressure estimated from the Doppler echocardiography–derived peak velocity of the tricuspid regurgitation jet) as input. The thick red line indicates the mean difference. LV, left ventricular; PVC, pulmonary valve closure; PVO, pulmonary valve opening; RV, right ventricular; TVC, tricuspid valve closure; TVO, tricuspid valve opening.

Journal: European Heart Journal. Imaging Methods and Practice

Article Title: Artificial intelligence-enabled reconstruction of the right ventricular pressure curve using the peak pressure value: a proof-of-concept study

doi: 10.1093/ehjimp/qyae099

Figure Lengend Snippet: Results of the external validation. ( A–C ) Agreement between the invasively measured pressure curves (i.e. ground truth) and those predicted by the three investigated methods using the invasively derived peak systolic pressure as input. ( D–F ) Agreement between the invasively measured pressure curves (i.e. ground truth) and those predicted by the three investigated methods using the non-invasively derived peak systolic pressure (i.e. the peak RV pressure estimated from the Doppler echocardiography–derived peak velocity of the tricuspid regurgitation jet) as input. The thick red line indicates the mean difference. LV, left ventricular; PVC, pulmonary valve closure; PVO, pulmonary valve opening; RV, right ventricular; TVC, tricuspid valve closure; TVO, tricuspid valve opening.

Article Snippet: Comprehensive 2D and 3D transoesophageal echocardiography was performed during the operation to quantify RV volumes and RVEF (EPIQ CVx system, X8-2t transducer, Philips Healthcare, Best, The Netherlands; and 4D RV-Function 2, TomTec, Unterschleissheim, Germany).

Techniques: Biomarker Discovery, Derivative Assay