 Richard Friesen
Concepts (140)
Concepts are derived automatically from a person's publications.
Concepts are listed by decreasing relevance which is based on many factors, including how many publications the person wrote about that topic, how long ago those publications were written, and how many publications other people have written on that same topic.
| Name |
Number of Publications
|
Most Recent Publication
|
Publications by All Authors
|
Concept Score
|
Why?
|
|---|
| Ventricular Dysfunction, Right | 3 | 2019 | 231 | 1.080 |
Why?
| | Magnetic Resonance Angiography | 4 | 2025 | 234 | 1.080 |
Why?
| | Hemodynamics | 6 | 2024 | 1090 | 0.780 |
Why?
| | Echocardiography, Doppler | 2 | 2024 | 108 | 0.750 |
Why?
| | Heart Ventricles | 4 | 2023 | 781 | 0.670 |
Why?
| | Magnetic Resonance Imaging | 7 | 2025 | 3386 | 0.670 |
Why?
| | Fetal Heart | 3 | 2025 | 55 | 0.660 |
Why?
| | Hypertension, Pulmonary | 3 | 2019 | 1894 | 0.590 |
Why?
| | Coronary Circulation | 1 | 2017 | 138 | 0.550 |
Why?
| | Mucocutaneous Lymph Node Syndrome | 1 | 2017 | 90 | 0.530 |
Why?
| | Ultrasonography, Prenatal | 4 | 2025 | 270 | 0.500 |
Why?
| | Pregnancy Trimester, Third | 3 | 2025 | 109 | 0.490 |
Why?
| | Heart | 1 | 2017 | 637 | 0.430 |
Why?
| | Vascular Stiffness | 1 | 2019 | 467 | 0.430 |
Why?
| | Myocardium | 2 | 2023 | 978 | 0.430 |
Why?
| | Aortic Coarctation | 3 | 2025 | 82 | 0.430 |
Why?
| | Magnetic Resonance Imaging, Cine | 3 | 2025 | 185 | 0.320 |
Why?
| | Gestational Age | 3 | 2025 | 874 | 0.260 |
Why?
| | Hemodilution | 1 | 2006 | 9 | 0.260 |
Why?
| | Blood Transfusion, Autologous | 1 | 2006 | 16 | 0.260 |
Why?
| | Imaging, Three-Dimensional | 3 | 2025 | 529 | 0.260 |
Why?
| | Cardiopulmonary Bypass | 2 | 2006 | 202 | 0.250 |
Why?
| | Cardiac-Gated Imaging Techniques | 1 | 2025 | 19 | 0.240 |
Why?
| | Echocardiography, Four-Dimensional | 1 | 2024 | 8 | 0.230 |
Why?
| | Ultrasonography, Doppler | 1 | 2025 | 118 | 0.230 |
Why?
| | Blood Coagulation Disorders | 1 | 2006 | 167 | 0.220 |
Why?
| | Cerebral Palsy | 3 | 2010 | 96 | 0.210 |
Why?
| | Fetus | 2 | 2025 | 770 | 0.210 |
Why?
| | Ventricular Function, Left | 2 | 2023 | 527 | 0.210 |
Why?
| | Child, Preschool | 7 | 2020 | 10459 | 0.210 |
Why?
| | Prenatal Diagnosis | 1 | 2025 | 190 | 0.210 |
Why?
| | Halothane | 1 | 2002 | 6 | 0.210 |
Why?
| | Anesthetics, Inhalation | 1 | 2002 | 27 | 0.200 |
Why?
| | Heparin | 2 | 2006 | 253 | 0.190 |
Why?
| | Child | 11 | 2023 | 20785 | 0.180 |
Why?
| | Fontan Procedure | 1 | 2023 | 173 | 0.180 |
Why?
| | Fasting | 1 | 2002 | 267 | 0.180 |
Why?
| | ST Elevation Myocardial Infarction | 1 | 2021 | 52 | 0.170 |
Why?
| | Labetalol | 1 | 2020 | 7 | 0.170 |
Why?
| | Infant | 4 | 2019 | 8975 | 0.160 |
Why?
| | Outpatients | 1 | 2022 | 367 | 0.150 |
Why?
| | Adolescent | 8 | 2021 | 20313 | 0.150 |
Why?
| | Anticoagulants | 2 | 2006 | 636 | 0.150 |
Why?
| | Diagnostic Imaging | 1 | 2021 | 327 | 0.150 |
Why?
| | Blood Pressure | 2 | 2020 | 1736 | 0.150 |
Why?
| | Ambulatory Care | 1 | 2022 | 504 | 0.150 |
Why?
| | Heart Defects, Congenital | 1 | 2025 | 757 | 0.140 |
Why?
| | Electrocardiography | 1 | 2021 | 608 | 0.140 |
Why?
| | Thrombosis | 1 | 2021 | 343 | 0.140 |
Why?
| | Coronary Vessels | 2 | 2017 | 239 | 0.140 |
Why?
| | Heart Transplantation | 1 | 2023 | 721 | 0.140 |
Why?
| | Perfusion | 1 | 2017 | 197 | 0.130 |
Why?
| | Humans | 22 | 2025 | 129266 | 0.130 |
Why?
| | Blood Coagulation | 1 | 1998 | 238 | 0.130 |
Why?
| | Female | 13 | 2025 | 68551 | 0.130 |
Why?
| | Risk | 1 | 2017 | 854 | 0.120 |
Why?
| | Fibrosis | 1 | 2017 | 520 | 0.120 |
Why?
| | Exercise Test | 1 | 2017 | 612 | 0.110 |
Why?
| | Postoperative Complications | 1 | 2006 | 2473 | 0.110 |
Why?
| | Ventricular Dysfunction, Left | 1 | 2018 | 385 | 0.110 |
Why?
| | Artifacts | 2 | 2025 | 126 | 0.110 |
Why?
| | Cardiac Catheterization | 1 | 2017 | 518 | 0.110 |
Why?
| | Predictive Value of Tests | 3 | 2025 | 1949 | 0.110 |
Why?
| | Reference Values | 2 | 2024 | 793 | 0.100 |
Why?
| | Reproducibility of Results | 3 | 2025 | 3080 | 0.100 |
Why?
| | Young Adult | 3 | 2017 | 12391 | 0.100 |
Why?
| | Male | 9 | 2019 | 63512 | 0.100 |
Why?
| | Retrospective Studies | 6 | 2025 | 14461 | 0.090 |
Why?
| | Hypertension | 1 | 2020 | 1242 | 0.090 |
Why?
| | Orthopedic Procedures | 2 | 2010 | 208 | 0.090 |
Why?
| | Blood Flow Velocity | 2 | 2022 | 406 | 0.090 |
Why?
| | Prognosis | 1 | 2019 | 3773 | 0.090 |
Why?
| | Anesthetics | 1 | 2010 | 66 | 0.080 |
Why?
| | Disease Progression | 1 | 2017 | 2630 | 0.080 |
Why?
| | Analgesia | 1 | 2010 | 100 | 0.080 |
Why?
| | Analgesics | 1 | 2010 | 189 | 0.080 |
Why?
| | Leg | 1 | 2010 | 238 | 0.080 |
Why?
| | Anesthesia | 1 | 2010 | 134 | 0.080 |
Why?
| | Prospective Studies | 4 | 2024 | 7123 | 0.080 |
Why?
| | Femur Head | 1 | 2008 | 36 | 0.080 |
Why?
| | Pain, Postoperative | 1 | 2010 | 233 | 0.070 |
Why?
| | Hip Dislocation | 1 | 2008 | 48 | 0.070 |
Why?
| | Pregnancy | 3 | 2025 | 6390 | 0.070 |
Why?
| | Infant, Newborn | 3 | 2022 | 5736 | 0.070 |
Why?
| | Prothrombin Time | 1 | 2006 | 33 | 0.060 |
Why?
| | Biomarkers | 1 | 2017 | 3968 | 0.060 |
Why?
| | Platelet Count | 1 | 2006 | 82 | 0.060 |
Why?
| | Anesthesia, General | 2 | 2022 | 54 | 0.060 |
Why?
| | Gait | 1 | 2008 | 278 | 0.060 |
Why?
| | Fibrinogen | 1 | 2006 | 163 | 0.060 |
Why?
| | Fentanyl | 1 | 1986 | 79 | 0.060 |
Why?
| | Knee Joint | 1 | 2008 | 372 | 0.060 |
Why?
| | Signal-To-Noise Ratio | 1 | 2025 | 68 | 0.060 |
Why?
| | Blood Circulation | 1 | 2024 | 41 | 0.060 |
Why?
| | Patient Positioning | 1 | 2025 | 52 | 0.060 |
Why?
| | Motion | 1 | 2025 | 98 | 0.060 |
Why?
| | Image Interpretation, Computer-Assisted | 1 | 2025 | 253 | 0.050 |
Why?
| | Observer Variation | 1 | 2023 | 315 | 0.050 |
Why?
| | Heart Rate | 2 | 2002 | 802 | 0.050 |
Why?
| | Adult | 5 | 2025 | 35495 | 0.040 |
Why?
| | Renin | 1 | 2020 | 32 | 0.040 |
Why?
| | Image Processing, Computer-Assisted | 1 | 2025 | 742 | 0.040 |
Why?
| | Coronary Angiography | 1 | 2021 | 305 | 0.040 |
Why?
| | Whole Blood Coagulation Time | 1 | 1998 | 2 | 0.040 |
Why?
| | Pharmacopoeias as Topic | 1 | 1998 | 2 | 0.040 |
Why?
| | Muscle, Skeletal | 1 | 2008 | 1613 | 0.040 |
Why?
| | Plasma | 1 | 2020 | 205 | 0.040 |
Why?
| | Therapeutic Equivalency | 1 | 1998 | 30 | 0.040 |
Why?
| | Treatment Outcome | 3 | 2008 | 10202 | 0.040 |
Why?
| | Acute Disease | 1 | 2021 | 978 | 0.040 |
Why?
| | Reference Standards | 1 | 1998 | 176 | 0.040 |
Why?
| | Electrophysiologic Techniques, Cardiac | 1 | 2018 | 79 | 0.040 |
Why?
| | United Kingdom | 1 | 1998 | 257 | 0.040 |
Why?
| | Algorithms | 1 | 2025 | 1613 | 0.030 |
Why?
| | Range of Motion, Articular | 2 | 2008 | 366 | 0.030 |
Why?
| | Swine | 1 | 1998 | 760 | 0.030 |
Why?
| | Intestinal Mucosa | 1 | 1998 | 589 | 0.030 |
Why?
| | Time Factors | 1 | 2002 | 6543 | 0.020 |
Why?
| | Infusion Pumps | 1 | 2010 | 31 | 0.020 |
Why?
| | Hygiene | 1 | 2008 | 29 | 0.020 |
Why?
| | Electromyography | 1 | 2008 | 381 | 0.020 |
Why?
| | Radiography | 1 | 2008 | 796 | 0.020 |
Why?
| | Pancuronium | 1 | 1986 | 4 | 0.020 |
Why?
| | Theophylline | 1 | 1986 | 68 | 0.020 |
Why?
| | Aneurysm | 1 | 1986 | 30 | 0.020 |
Why?
| | Activities of Daily Living | 1 | 2008 | 381 | 0.020 |
Why?
| | Patient Satisfaction | 1 | 2008 | 632 | 0.010 |
Why?
| | Drug Interactions | 1 | 1986 | 393 | 0.010 |
Why?
| | Carbon Dioxide | 1 | 1986 | 259 | 0.010 |
Why?
| | Pain | 1 | 2008 | 786 | 0.010 |
Why?
| | Dose-Response Relationship, Drug | 1 | 1986 | 2011 | 0.010 |
Why?
| | Age Factors | 1 | 2008 | 3140 | 0.010 |
Why?
| | United States | 1 | 1998 | 13826 | 0.010 |
Why?
| | Severity of Illness Index | 1 | 2008 | 2740 | 0.010 |
Why?
| | Follow-Up Studies | 1 | 2008 | 4887 | 0.010 |
Why?
| | Quality of Life | 1 | 2008 | 2687 | 0.010 |
Why?
| | Surveys and Questionnaires | 1 | 2008 | 5384 | 0.010 |
Why?
| | Animals | 1 | 1998 | 35309 | 0.010 |
Why?
| | Aged | 1 | 1986 | 22032 | 0.000 |
Why?
| | Middle Aged | 1 | 1986 | 31090 | 0.000 |
Why?
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