Class information for:
Level 1: PROXIMAL ISOVELOCITY SURFACE AREA//AORTIC VALVE AREA//VALVULAR REGURGITATION

Basic class information
Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
7 4 CARDIAC & CARDIOVASCULAR SYSTEM//PERIPHERAL VASCULAR DISEASES//CARDIOL 1572904
117 3       CARDIAC & CARDIOVASCULAR SYSTEM//CONGENITAL HEART DISEASE//JOURNAL OF HEART VALVE DISEASE 71850
127 2             AORTIC STENOSIS//JOURNAL OF HEART VALVE DISEASE//TRANSCATHETER AORTIC VALVE IMPLANTATION 23761
3359 1                   PROXIMAL ISOVELOCITY SURFACE AREA//AORTIC VALVE AREA//VALVULAR REGURGITATION 2035

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PROXIMAL ISOVELOCITY SURFACE AREA authKW 542413 2% 97% 36
2 AORTIC VALVE AREA authKW 249225 1% 62% 26
3 VALVULAR REGURGITATION authKW 188711 1% 42% 29
4 MITRAL VALVE AREA authKW 174206 1% 75% 15
5 VENA CONTRACTA authKW 170709 1% 53% 21
6 MITRAL REGURGITATION authKW 165757 6% 9% 121
7 VENA CONTRACTA AREA authKW 140776 0% 91% 10
8 AORTIC REGURGITATION authKW 115546 3% 11% 67
9 FLOW CONVERGENCE authKW 96778 0% 63% 10
10 REGURGITANT VOLUME authKW 96778 0% 63% 10

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Cardiac & Cardiovascular System 82807 78% 0% 1587
2 Peripheral Vascular Diseases 3325 12% 0% 252
3 Radiology, Nuclear Medicine & Medical Imaging 1584 12% 0% 241
4 Acoustics 336 3% 0% 56
5 Engineering, Biomedical 145 3% 0% 55
6 Medicine, General & Internal 121 5% 0% 108
7 Anesthesiology 106 2% 0% 35
8 Respiratory System 100 2% 0% 50
9 Medical Informatics 20 1% 0% 11
10 Pediatrics 15 2% 0% 41

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CLIN CARE CONGENITAL HEART DIS 75725 1% 33% 15
2 CARDIOVASC FLOW DYNAM 41292 0% 67% 4
3 CARDIOL LUNG MED 34841 0% 75% 3
4 U169 UNITE RECH STAT 30971 0% 100% 2
5 U138 20646 0% 67% 2
6 HEART STN 16484 0% 15% 7
7 CARDIAC ANESTHESIA CARDIOVASC INTENS CARE 15486 0% 100% 1
8 CARDIAC CT MR UNIT 15486 0% 100% 1
9 CARDIAC SCICARDIOL 15486 0% 100% 1
10 CARDIAC ULTRASOUND GRP RECH VALVULOPATHIES 15486 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF THE AMERICAN SOCIETY OF ECHOCARDIOGRAPHY 56438 6% 3% 114
2 ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES 39301 5% 3% 99
3 JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY 29457 9% 1% 174
4 AMERICAN JOURNAL OF CARDIOLOGY 19333 9% 1% 184
5 BRITISH HEART JOURNAL 15061 3% 2% 56
6 JOURNAL OF HEART VALVE DISEASE 13350 2% 2% 46
7 ZEITSCHRIFT FUR KARDIOLOGIE 12832 3% 1% 58
8 AMERICAN HEART JOURNAL 11271 5% 1% 103
9 CIRCULATION 9910 6% 1% 126
10 EUROPEAN HEART JOURNAL 7711 4% 1% 72

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PROXIMAL ISOVELOCITY SURFACE AREA 542413 2% 97% 36 Search PROXIMAL+ISOVELOCITY+SURFACE+AREA Search PROXIMAL+ISOVELOCITY+SURFACE+AREA
2 AORTIC VALVE AREA 249225 1% 62% 26 Search AORTIC+VALVE+AREA Search AORTIC+VALVE+AREA
3 VALVULAR REGURGITATION 188711 1% 42% 29 Search VALVULAR+REGURGITATION Search VALVULAR+REGURGITATION
4 MITRAL VALVE AREA 174206 1% 75% 15 Search MITRAL+VALVE+AREA Search MITRAL+VALVE+AREA
5 VENA CONTRACTA 170709 1% 53% 21 Search VENA+CONTRACTA Search VENA+CONTRACTA
6 MITRAL REGURGITATION 165757 6% 9% 121 Search MITRAL+REGURGITATION Search MITRAL+REGURGITATION
7 VENA CONTRACTA AREA 140776 0% 91% 10 Search VENA+CONTRACTA+AREA Search VENA+CONTRACTA+AREA
8 AORTIC REGURGITATION 115546 3% 11% 67 Search AORTIC+REGURGITATION Search AORTIC+REGURGITATION
9 FLOW CONVERGENCE 96778 0% 63% 10 Search FLOW+CONVERGENCE Search FLOW+CONVERGENCE
10 REGURGITANT VOLUME 96778 0% 63% 10 Search REGURGITANT+VOLUME Search REGURGITANT+VOLUME

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1


rank cluster_id2 link
1 22447 STROKE DISTANCE//AORTIC FLOW VELOCITY//LEFT VENTRICULAR DP DT
2 14012 THREE DIMENSIONAL ECHOCARDIOGRAPHY//REAL TIME THREE DIMENSIONAL ECHOCARDIOGRAPHY//3D ECHOCARDIOGRAPHY
3 4810 AORTIC STENOSIS//AORTIC VALVE STENOSIS//AORTIC VALVE CALCIFICATION
4 11014 GRP RECH VALVULOPATHIES//AORTIC REGURGITATION//CHRONIC AORTIC REGURGITATION
5 38770 JOURNAL OF CARDIOVASCULAR ULTRASONOGRAPHY//PULMONARY ARTERIAL DIASTOLIC PRESSURE//RIGHT ATRIAL CONTRACTION
6 38129 DIASTOLIC MITRAL REGURGITATION//ACUTE AORTIC INSUFFICIENCY//ATRIAL DILATATION AND FIBROSIS
7 391 MITRAL REGURGITATION//MITRAL VALVE REPAIR//MITRAL VALVE
8 9282 MITRAL STENOSIS//INOUE BALLOON//PERCUTANEOUS TRANSVENOUS MITRAL COMMISSUROTOMY
9 33626 DOUBLE VALVE REPLACEMENT//AMERICAN COUNCIL OF CARDIOLOGY//ANESTHESIA CRIT CAREHEART
10 12313 TRANSESOPHAGEAL ECHOCARDIOGRAPHY//TRANSESOPHAGEAL//INTRAOPERATIVE ECHOCARDIOGRAPHY

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