 Richard Friesen
Concepts (139)
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 | 248 | 1.000 |
Why?
| | Magnetic Resonance Angiography | 4 | 2025 | 250 | 1.000 |
Why?
| | Hemodynamics | 6 | 2024 | 1113 | 0.710 |
Why?
| | Echocardiography, Doppler | 2 | 2024 | 114 | 0.700 |
Why?
| | Heart Ventricles | 4 | 2023 | 751 | 0.640 |
Why?
| | Fetal Heart | 3 | 2025 | 56 | 0.610 |
Why?
| | Magnetic Resonance Imaging | 7 | 2025 | 3888 | 0.590 |
Why?
| | Hypertension, Pulmonary | 3 | 2019 | 1948 | 0.550 |
Why?
| | Coronary Circulation | 1 | 2017 | 134 | 0.510 |
Why?
| | Mucocutaneous Lymph Node Syndrome | 1 | 2017 | 94 | 0.500 |
Why?
| | Ultrasonography, Prenatal | 4 | 2025 | 293 | 0.460 |
Why?
| | Pregnancy Trimester, Third | 3 | 2025 | 114 | 0.460 |
Why?
| | Heart | 1 | 2017 | 626 | 0.400 |
Why?
| | Aortic Coarctation | 3 | 2025 | 78 | 0.400 |
Why?
| | Vascular Stiffness | 1 | 2019 | 485 | 0.400 |
Why?
| | Myocardium | 2 | 2023 | 928 | 0.400 |
Why?
| | Magnetic Resonance Imaging, Cine | 3 | 2025 | 213 | 0.290 |
Why?
| | Hemodilution | 1 | 2006 | 11 | 0.240 |
Why?
| | Blood Transfusion, Autologous | 1 | 2006 | 18 | 0.240 |
Why?
| | Gestational Age | 3 | 2025 | 980 | 0.240 |
Why?
| | Imaging, Three-Dimensional | 3 | 2025 | 581 | 0.230 |
Why?
| | Cardiopulmonary Bypass | 2 | 2006 | 217 | 0.230 |
Why?
| | Cardiac-Gated Imaging Techniques | 1 | 2025 | 21 | 0.220 |
Why?
| | Echocardiography, Four-Dimensional | 1 | 2024 | 9 | 0.220 |
Why?
| | Ultrasonography, Doppler | 1 | 2025 | 126 | 0.210 |
Why?
| | Blood Coagulation Disorders | 1 | 2006 | 196 | 0.200 |
Why?
| | Ventricular Function, Left | 2 | 2023 | 536 | 0.190 |
Why?
| | Fetus | 2 | 2025 | 800 | 0.190 |
Why?
| | Halothane | 1 | 2002 | 8 | 0.190 |
Why?
| | Prenatal Diagnosis | 1 | 2025 | 196 | 0.190 |
Why?
| | Cerebral Palsy | 3 | 2010 | 137 | 0.190 |
Why?
| | Child, Preschool | 7 | 2020 | 11790 | 0.180 |
Why?
| | Anesthetics, Inhalation | 1 | 2002 | 52 | 0.180 |
Why?
| | Heparin | 2 | 2006 | 243 | 0.180 |
Why?
| | Fontan Procedure | 1 | 2023 | 187 | 0.170 |
Why?
| | Child | 11 | 2023 | 22600 | 0.170 |
Why?
| | Fasting | 1 | 2002 | 275 | 0.170 |
Why?
| | Labetalol | 1 | 2020 | 6 | 0.160 |
Why?
| | ST Elevation Myocardial Infarction | 1 | 2021 | 64 | 0.160 |
Why?
| | Blood Pressure | 2 | 2020 | 1766 | 0.140 |
Why?
| | Infant | 4 | 2019 | 10023 | 0.140 |
Why?
| | Outpatients | 1 | 2022 | 447 | 0.140 |
Why?
| | Diagnostic Imaging | 1 | 2021 | 341 | 0.140 |
Why?
| | Adolescent | 8 | 2021 | 22409 | 0.140 |
Why?
| | Anticoagulants | 2 | 2006 | 729 | 0.130 |
Why?
| | Electrocardiography | 1 | 2021 | 664 | 0.130 |
Why?
| | Ambulatory Care | 1 | 2022 | 607 | 0.130 |
Why?
| | Coronary Vessels | 2 | 2017 | 246 | 0.130 |
Why?
| | Thrombosis | 1 | 2021 | 396 | 0.130 |
Why?
| | Heart Defects, Congenital | 1 | 2025 | 905 | 0.120 |
Why?
| | Heart Transplantation | 1 | 2023 | 674 | 0.120 |
Why?
| | Perfusion | 1 | 2017 | 249 | 0.120 |
Why?
| | Blood Coagulation | 1 | 1998 | 268 | 0.120 |
Why?
| | Humans | 22 | 2025 | 144667 | 0.120 |
Why?
| | Female | 13 | 2025 | 78304 | 0.110 |
Why?
| | Fibrosis | 1 | 2017 | 547 | 0.110 |
Why?
| | Risk | 1 | 2017 | 911 | 0.110 |
Why?
| | Exercise Test | 1 | 2017 | 626 | 0.110 |
Why?
| | Ventricular Dysfunction, Left | 1 | 2018 | 392 | 0.110 |
Why?
| | Artifacts | 2 | 2025 | 142 | 0.100 |
Why?
| | Cardiac Catheterization | 1 | 2017 | 557 | 0.100 |
Why?
| | Predictive Value of Tests | 3 | 2025 | 2117 | 0.100 |
Why?
| | Postoperative Complications | 1 | 2006 | 2950 | 0.100 |
Why?
| | Reference Values | 2 | 2024 | 794 | 0.090 |
Why?
| | Reproducibility of Results | 3 | 2025 | 3414 | 0.090 |
Why?
| | Young Adult | 3 | 2017 | 14122 | 0.090 |
Why?
| | Hypertension | 1 | 2020 | 1262 | 0.090 |
Why?
| | Male | 9 | 2019 | 72431 | 0.080 |
Why?
| | Blood Flow Velocity | 2 | 2022 | 419 | 0.080 |
Why?
| | Orthopedic Procedures | 2 | 2010 | 242 | 0.080 |
Why?
| | Retrospective Studies | 6 | 2025 | 17149 | 0.080 |
Why?
| | Prognosis | 1 | 2019 | 4312 | 0.080 |
Why?
| | Disease Progression | 1 | 2017 | 2847 | 0.080 |
Why?
| | Analgesia | 1 | 2010 | 105 | 0.080 |
Why?
| | Anesthetics | 1 | 2010 | 99 | 0.070 |
Why?
| | Leg | 1 | 2010 | 240 | 0.070 |
Why?
| | Analgesics | 1 | 2010 | 232 | 0.070 |
Why?
| | Femur Head | 1 | 2008 | 38 | 0.070 |
Why?
| | Hip Dislocation | 1 | 2008 | 53 | 0.070 |
Why?
| | Prospective Studies | 4 | 2024 | 7994 | 0.070 |
Why?
| | Pregnancy | 3 | 2025 | 7122 | 0.060 |
Why?
| | Anesthesia | 1 | 2010 | 258 | 0.060 |
Why?
| | Prothrombin Time | 1 | 2006 | 33 | 0.060 |
Why?
| | Platelet Count | 1 | 2006 | 94 | 0.060 |
Why?
| | Biomarkers | 1 | 2017 | 4261 | 0.060 |
Why?
| | Infant, Newborn | 3 | 2022 | 6399 | 0.060 |
Why?
| | Gait | 1 | 2008 | 312 | 0.060 |
Why?
| | Anesthesia, General | 2 | 2022 | 121 | 0.060 |
Why?
| | Fibrinogen | 1 | 2006 | 181 | 0.050 |
Why?
| | Signal-To-Noise Ratio | 1 | 2025 | 73 | 0.050 |
Why?
| | Blood Circulation | 1 | 2024 | 44 | 0.050 |
Why?
| | Motion | 1 | 2025 | 99 | 0.050 |
Why?
| | Knee Joint | 1 | 2008 | 426 | 0.050 |
Why?
| | Fentanyl | 1 | 1986 | 127 | 0.050 |
Why?
| | Patient Positioning | 1 | 2025 | 69 | 0.050 |
Why?
| | Observer Variation | 1 | 2023 | 355 | 0.050 |
Why?
| | Image Interpretation, Computer-Assisted | 1 | 2025 | 286 | 0.050 |
Why?
| | Heart Rate | 2 | 2002 | 853 | 0.050 |
Why?
| | Renin | 1 | 2020 | 32 | 0.040 |
Why?
| | Image Processing, Computer-Assisted | 1 | 2025 | 779 | 0.040 |
Why?
| | Adult | 5 | 2025 | 40489 | 0.040 |
Why?
| | Coronary Angiography | 1 | 2021 | 324 | 0.040 |
Why?
| | Pharmacopoeias as Topic | 1 | 1998 | 2 | 0.040 |
Why?
| | Whole Blood Coagulation Time | 1 | 1998 | 3 | 0.040 |
Why?
| | Therapeutic Equivalency | 1 | 1998 | 31 | 0.030 |
Why?
| | Plasma | 1 | 2020 | 223 | 0.030 |
Why?
| | Acute Disease | 1 | 2021 | 1029 | 0.030 |
Why?
| | Muscle, Skeletal | 1 | 2008 | 1788 | 0.030 |
Why?
| | Reference Standards | 1 | 1998 | 178 | 0.030 |
Why?
| | Electrophysiologic Techniques, Cardiac | 1 | 2018 | 82 | 0.030 |
Why?
| | Treatment Outcome | 3 | 2008 | 11735 | 0.030 |
Why?
| | United Kingdom | 1 | 1998 | 337 | 0.030 |
Why?
| | Algorithms | 1 | 2025 | 1844 | 0.030 |
Why?
| | Range of Motion, Articular | 2 | 2008 | 423 | 0.030 |
Why?
| | Swine | 1 | 1998 | 828 | 0.030 |
Why?
| | Intestinal Mucosa | 1 | 1998 | 675 | 0.020 |
Why?
| | Time Factors | 1 | 2002 | 7140 | 0.020 |
Why?
| | Infusion Pumps | 1 | 2010 | 33 | 0.020 |
Why?
| | Hygiene | 1 | 2008 | 29 | 0.020 |
Why?
| | Pancuronium | 1 | 1986 | 5 | 0.010 |
Why?
| | Radiography | 1 | 2008 | 848 | 0.010 |
Why?
| | Electromyography | 1 | 2008 | 416 | 0.010 |
Why?
| | Theophylline | 1 | 1986 | 41 | 0.010 |
Why?
| | Aneurysm | 1 | 1986 | 37 | 0.010 |
Why?
| | Activities of Daily Living | 1 | 2008 | 441 | 0.010 |
Why?
| | Drug Interactions | 1 | 1986 | 401 | 0.010 |
Why?
| | Patient Satisfaction | 1 | 2008 | 707 | 0.010 |
Why?
| | Carbon Dioxide | 1 | 1986 | 239 | 0.010 |
Why?
| | Pain | 1 | 2008 | 785 | 0.010 |
Why?
| | Dose-Response Relationship, Drug | 1 | 1986 | 2019 | 0.010 |
Why?
| | Age Factors | 1 | 2008 | 3329 | 0.010 |
Why?
| | Severity of Illness Index | 1 | 2008 | 2922 | 0.010 |
Why?
| | United States | 1 | 1998 | 16018 | 0.010 |
Why?
| | Follow-Up Studies | 1 | 2008 | 5414 | 0.010 |
Why?
| | Quality of Life | 1 | 2008 | 3183 | 0.010 |
Why?
| | Surveys and Questionnaires | 1 | 2008 | 6041 | 0.010 |
Why?
| | Animals | 1 | 1998 | 37948 | 0.010 |
Why?
| | Aged | 1 | 1986 | 25955 | 0.000 |
Why?
| | Middle Aged | 1 | 1986 | 35971 | 0.000 |
Why?
|
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