Class information for:
Level 1: PROXIMAL ISOVELOCITY SURFACE AREA//MITRAL VALVE AREA//VENA CONTRACTA AREA

Basic class information

ID Publications Average number
of references
Avg. shr. active
ref. in WoS
5621 1532 25.0 63%



Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)



ID, lev.
above
Publications Label for level above
167 21570 JOURNAL OF HEART VALVE DISEASE//AORTIC STENOSIS//TRANSCATHETER AORTIC VALVE IMPLANTATION

Terms with highest relevance score



Rank Term Type of term Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 PROXIMAL ISOVELOCITY SURFACE AREA Author keyword 64 88% 2% 30
2 MITRAL VALVE AREA Author keyword 13 67% 1% 12
3 VENA CONTRACTA AREA Author keyword 13 80% 1% 8
4 PRESSURE HALF TIME Author keyword 12 75% 1% 9
5 VALVULAR REGURGITATION Author keyword 11 36% 2% 24
6 FLOW CONVERGENCE Author keyword 9 64% 1% 9
7 PROXIMAL FLOW CONVERGENCE REGION Author keyword 9 83% 0% 5
8 REGURGITANT JETS Author keyword 8 100% 0% 5
9 VENA CONTRACTA Author keyword 7 38% 1% 14
10 VENA CONTRACTA WIDTH Author keyword 7 67% 0% 6

Web of Science journal categories

Author Key Words



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
LCSH search Wikipedia search
1 PROXIMAL ISOVELOCITY SURFACE AREA 64 88% 2% 30 Search PROXIMAL+ISOVELOCITY+SURFACE+AREA Search PROXIMAL+ISOVELOCITY+SURFACE+AREA
2 MITRAL VALVE AREA 13 67% 1% 12 Search MITRAL+VALVE+AREA Search MITRAL+VALVE+AREA
3 VENA CONTRACTA AREA 13 80% 1% 8 Search VENA+CONTRACTA+AREA Search VENA+CONTRACTA+AREA
4 PRESSURE HALF TIME 12 75% 1% 9 Search PRESSURE+HALF+TIME Search PRESSURE+HALF+TIME
5 VALVULAR REGURGITATION 11 36% 2% 24 Search VALVULAR+REGURGITATION Search VALVULAR+REGURGITATION
6 FLOW CONVERGENCE 9 64% 1% 9 Search FLOW+CONVERGENCE Search FLOW+CONVERGENCE
7 PROXIMAL FLOW CONVERGENCE REGION 9 83% 0% 5 Search PROXIMAL+FLOW+CONVERGENCE+REGION Search PROXIMAL+FLOW+CONVERGENCE+REGION
8 REGURGITANT JETS 8 100% 0% 5 Search REGURGITANT+JETS Search REGURGITANT+JETS
9 VENA CONTRACTA 7 38% 1% 14 Search VENA+CONTRACTA Search VENA+CONTRACTA
10 VENA CONTRACTA WIDTH 7 67% 0% 6 Search VENA+CONTRACTA+WIDTH Search VENA+CONTRACTA+WIDTH

Key Words Plus



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 ORIFICE AREA 106 48% 11% 165
2 VALVULAR REGURGITATION 64 35% 10% 149
3 PRESSURE HALF TIME 53 46% 6% 86
4 ISOVELOCITY SURFACE AREA 52 70% 3% 43
5 FLOW CONVERGENCE REGION 44 85% 2% 23
6 SURFACE AREA METHOD 44 61% 3% 46
7 PROXIMAL FLOW CONVERGENCE 41 90% 1% 18
8 CONVERGENCE METHOD 32 80% 1% 20
9 FLOW CONVERGENCE METHOD 27 74% 1% 20
10 COLOR DOPPLER FLOW 24 57% 2% 28

Journals

Reviews



Title Publ. year Cit. Active
references
% act. ref.
to same field
Current status of flow convergence for clinical applications: Is it a leaning tower of ''PISA''? 1996 59 35 97%
Quantitative Assessment of Mitral Regurgitation Validation of New Methods 2012 15 56 71%
Quantitation of Mitral Regurgitation 2012 19 87 49%
Doppler echocardiography for the estimation of cardiac output with exercise 2002 35 37 54%
Three-dimensional echocardiography for assessment of mitral valve regurgitation 2009 11 19 84%
Transthoracic and transesophageal echocardiographic assessment of mitral regurgitation severity: Usefulness of qualitative and semiquantitative techniques 2005 20 55 82%
A Method for Automating 3-Dimensional Proximal Isovelocity Surface Area Measurement 2012 5 15 80%
Principles of physics in surgery: the laws of flow dynamics physics for surgeons - Part 1 2009 1 1 100%
Eponyms and the diagnosis of aortic regurgitation: What says the evidence? 2003 13 23 48%
3D Vena Contracta Area to Quantify Severity of Mitral Regurgitation: A Practical New Tool? 2013 1 31 68%

Address terms



Rank Address term Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 CLIN CARE CONGENITAL HEART DIS 5 30% 0.9% 14
2 CARDIOL LUNG MED 4 75% 0.2% 3
3 CARDIOL ANGIOL PNEUMOL SECT 1 100% 0.1% 2
4 CARDIOVASC FLOW DYNAM 1 33% 0.1% 2
5 ANESTHESIOL CARDIAC ANESTHESIOL 1 50% 0.1% 1
6 BOLU MED 1 50% 0.1% 1
7 CANIZZARO HOSP 1 50% 0.1% 1
8 CARDIAC EMERGENCY 1 50% 0.1% 1
9 CARDIOL DIABETOL 1 50% 0.1% 1
10 CREIGHTON UNIV JOINT PEDIAT CARDIOL 1 50% 0.1% 1

Related classes at same level (level 1)



Rank Relatedness score Related classes
1 0.0000232366 AORTIC VALVE AREA//AORTIC STENOSIS//LOW GRADIENT AORTIC STENOSIS
2 0.0000130615 THREE DIMENSIONAL ECHOCARDIOGRAPHY//ACOUSTIC QUANTIFICATION//AUTOMATED BORDER DETECTION
3 0.0000120761 MITRAL VALVE REPAIR//MITRAL REGURGITATION//MITRAL VALVE
4 0.0000096241 GRP RECH VALVULOPATHIES//CHRONIC AORTIC REGURGITATION//HEART OSTERGOTLAND
5 0.0000095960 FUNCTIONAL TRICUSPID REGURGITATION//TRICUSPID REGURGITATION//TRICUSPID VALVE
6 0.0000095559 MITRAL STENOSIS//INOUE BALLOON//TRANSSEPTAL PUNCTURE
7 0.0000081319 MITRAL VALVE CLOSURE//EARLY POTENTIALS//HEART 540
8 0.0000070980 MITRAL VALVE ANEURYSM//BLOOD CYST//BLOOD CYSTS
9 0.0000068923 TRANSPHARYNGEAL ECHOCARDIOGRAPHY//TRANSESOPHAGEAL//TRANSESOPHAGEAL ECHOCARDIOGRAPHY SIMULATOR
10 0.0000066156 HEART VOLUME//HEART MR//HEART VENTRICLES