Harvard Catalyst Profiles

Contact, publication, and social network information about Harvard faculty and fellows.

Andrew James Powell, M.D.

Concepts (542)

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?
Magnetic Resonance Imaging, Cine4020249755.550 Why?
Heart Ventricles45202437723.280 Why?
Tetralogy of Fallot2620236343.070 Why?
Heart Defects, Congenital44202446562.430 Why?
Ventricular Function, Left27202437062.130 Why?
Pulmonary Valve Insufficiency1020211532.130 Why?
Magnetic Resonance Angiography15202114192.040 Why?
Pulmonary Valve1320214282.010 Why?
Fontan Procedure2420237861.840 Why?
Ventricular Function, Right1520185951.770 Why?
Myocardial Contraction9201915021.750 Why?
Ventricular Dysfunction, Left13202220571.620 Why?
Heart18202443591.310 Why?
Pulmonary Artery18201819201.300 Why?
Magnetic Resonance Imaging682024358001.170 Why?
Imaging, Three-Dimensional11202440121.160 Why?
Ventricular Dysfunction, Right1220246041.140 Why?
Stroke Volume34202451421.080 Why?
Myocardium16202246341.070 Why?
Cardiac Surgical Procedures20202435411.020 Why?
Transposition of Great Vessels820185881.000 Why?
Ventricular Septum22023750.960 Why?
Pulmonary Atresia720111600.960 Why?
Hypoplastic Left Heart Syndrome620245900.940 Why?
Predictive Value of Tests312024150120.910 Why?
Ventricular Remodeling10201812240.910 Why?
Cardiac Imaging Techniques520242720.860 Why?
Collateral Circulation420132760.850 Why?
Aortic Valve Stenosis7201520390.840 Why?
Echocardiography23202449100.790 Why?
Heart Valve Prosthesis Implantation9202015730.780 Why?
Echocardiography, Doppler1020188990.760 Why?
Cardiac-Gated Imaging Techniques320211390.750 Why?
Ventricular Dysfunction320141420.740 Why?
Coronary Circulation6202015580.720 Why?
Respiration5202416440.700 Why?
Child992024785200.670 Why?
Respiratory-Gated Imaging Techniques22024750.670 Why?
Artificial Intelligence2202423720.670 Why?
Motion420177810.660 Why?
Coronary Vessel Anomalies520163130.620 Why?
Tricuspid Valve320184020.620 Why?
Adolescent932024863240.600 Why?
Pulmonary Circulation520187420.600 Why?
Image Interpretation, Computer-Assisted9202133070.590 Why?
Child, Preschool672024414090.590 Why?
Ebstein Anomaly120181010.580 Why?
Recovery of Function9202029250.580 Why?
Image Processing, Computer-Assisted15202289060.570 Why?
Cardiovascular System320228300.560 Why?
Coronary Vessels6201630730.560 Why?
Sodium Channels1120103420.550 Why?
Infant562024354650.550 Why?
Exercise Tolerance820197890.540 Why?
Iron Overload320212390.540 Why?
Diaphragm220173500.530 Why?
Young Adult542024572150.520 Why?
Ventricular Pressure220152010.510 Why?
Aortic Coarctation420152820.500 Why?
Diastole820227750.500 Why?
Endocardial Cushion Defects12014430.490 Why?
Retrospective Studies642024783600.490 Why?
Contrast Media14202052550.480 Why?
Reproducibility of Results272024198250.480 Why?
Leukemia1202215000.470 Why?
Humans18720247468390.450 Why?
Artifacts3202418730.450 Why?
Heart Diseases6202427650.450 Why?
Iron4202117360.450 Why?
Health Resources220179060.430 Why?
Myocarditis220217630.420 Why?
Pulmonary Valve Stenosis320181760.420 Why?
Adult8320242152880.420 Why?
Aorta9201620260.410 Why?
Male11420243515380.410 Why?
Iron Chelating Agents220141370.400 Why?
Catheterization4201014260.400 Why?
Angiography4202015970.390 Why?
Heart Neoplasms420113590.390 Why?
Hemosiderosis12012670.390 Why?
Observer Variation12201825780.390 Why?
Thalassemia220082680.370 Why?
Postoperative Care1201714670.370 Why?
Female10920243825650.370 Why?
Blood Flow Velocity7201213670.360 Why?
Aorta, Thoracic6201510500.360 Why?
Exercise3202256890.350 Why?
Gadolinium DTPA620168240.350 Why?
Health Promotion1202221910.350 Why?
Heart Bypass, Right12009750.330 Why?
Phantoms, Imaging7202224690.330 Why?
Algorithms142024138140.320 Why?
Dobutamine120091160.320 Why?
Time Factors262024396390.310 Why?
Image Enhancement4201428730.300 Why?
Magnetic Resonance Spectroscopy6202337440.300 Why?
Fibrosis6201820120.290 Why?
Cardiomyopathy, Hypertrophic3201312450.290 Why?
Propanolamines120071610.290 Why?
Systole520179270.290 Why?
Electrophysiology2200912670.270 Why?
Exercise Test12201820820.270 Why?
Ion Channels2200910430.270 Why?
Heart Septum120072940.270 Why?
Echocardiography, Three-Dimensional320246060.270 Why?
Cardiovascular Diseases52020153140.270 Why?
Carbazoles120072200.260 Why?
Heart Rate3202140420.260 Why?
Cardiotonic Agents120095330.260 Why?
Hypertrophy, Right Ventricular320181070.260 Why?
Cardiomyopathies2201518950.260 Why?
Diseases in Twins120074490.250 Why?
Mucocutaneous Lymph Node Syndrome220185350.250 Why?
Muscular Dystrophies120073860.250 Why?
Biomedical Research1202033280.250 Why?
Treatment Outcome342024637670.250 Why?
Hypertrophy, Left Ventricular320168420.240 Why?
Ion Channel Gating720124340.240 Why?
Heart Septal Defects, Atrial420114670.240 Why?
Health Care Costs1201731940.230 Why?
Follow-Up Studies272021388000.230 Why?
Arrhythmias, Cardiac4201922270.220 Why?
Audiovisual Aids120241000.220 Why?
Cardiovascular Surgical Procedures220151920.210 Why?
Tachycardia, Ventricular5201812850.210 Why?
Ventricular Function420204080.210 Why?
Quality Improvement2201737410.210 Why?
Pulsatile Flow220023160.210 Why?
Cardiology3202016760.210 Why?
Ganglia, Spinal620105200.210 Why?
Heart Septal Defects, Ventricular220064890.200 Why?
Protein-Losing Enteropathies12001450.200 Why?
Adrenergic beta-Antagonists1200712190.200 Why?
Heart Transplantation7202130320.200 Why?
Hemangioma220117230.190 Why?
Cardiomyopathy, Dilated120078100.190 Why?
Mitral Valve2202414580.190 Why?
Infant, Newborn232016257650.190 Why?
Heart Valve Prosthesis3202014940.190 Why?
Middle Aged3720242146980.190 Why?
Respiratory Mechanics220166830.190 Why?
Prospective Studies192024532680.190 Why?
Drug Discovery1200910550.180 Why?
Vascular Fistula12000480.180 Why?
Oximetry120034590.180 Why?
Echocardiography, Doppler, Pulsed22011690.170 Why?
Abnormalities, Multiple3201114150.170 Why?
Sensitivity and Specificity82024145430.170 Why?
Ventricular Outflow Obstruction220202720.170 Why?
Patch-Clamp Techniques720149370.170 Why?
Hemodynamics7201841890.170 Why?
Coronary Aneurysm120022310.170 Why?
Anemia1200814830.160 Why?
Cell Line92009156450.160 Why?
Cardiac Volume220102000.160 Why?
Multicenter Studies as Topic1202416780.160 Why?
Electrocardiography, Ambulatory220145760.160 Why?
Stents5201532820.160 Why?
ROC Curve4201834990.160 Why?
Models, Cardiovascular220129580.160 Why?
Neurons, Afferent420054950.150 Why?
Fibroma320111870.150 Why?
Gadolinium420099450.150 Why?
Protein Subunits420129470.150 Why?
Bioprosthesis220205960.150 Why?
Diskectomy120182040.140 Why?
Boston10202192130.140 Why?
Regional Blood Flow4201215010.140 Why?
Risk Factors212024724530.140 Why?
Fetal Heart120182810.140 Why?
Behavior Therapy120228580.140 Why?
Databases, Factual6201878160.130 Why?
Blalock-Taussig Procedure12016620.130 Why?
Systemic Inflammatory Response Syndrome120216130.130 Why?
Liver3202173820.130 Why?
Oxygen Consumption6201918250.130 Why?
Protons1202111160.130 Why?
Pulmonary Veins320117330.130 Why?
Poisson Distribution120175060.130 Why?
Congresses as Topic120207900.130 Why?
Diffusion of Innovation120207100.130 Why?
Ultrasonography, Prenatal2201817250.130 Why?
Vascular Surgical Procedures2201514420.130 Why?
Marijuana Smoking120182540.120 Why?
Coronary Angiography4201845120.120 Why?
Cross-Sectional Studies112022251940.120 Why?
Radiation Protection120184270.120 Why?
Kv1.2 Potassium Channel12014150.120 Why?
Nerve Tissue Proteins5201044000.120 Why?
Heart Failure52022111000.120 Why?
Radiography7201369500.120 Why?
Pichia12014480.120 Why?
Blood Vessel Prosthesis220159200.110 Why?
Drug Evaluation, Preclinical3201413510.110 Why?
Hospitals, Pediatric4201818160.110 Why?
Heart Septal Defects120141890.110 Why?
Elasticity120156530.110 Why?
Aequorin12012150.110 Why?
Practice Guidelines as Topic3202072810.110 Why?
Arteries1201811140.110 Why?
Postoperative Complications62017153650.100 Why?
Electrocardiography9202163190.100 Why?
Coronavirus Infections2202030570.100 Why?
Bundle-Branch Block120142690.100 Why?
Feasibility Studies5202050960.100 Why?
Pneumonia, Viral2202031690.100 Why?
Graft Occlusion, Vascular119955460.100 Why?
Watchful Waiting120165020.100 Why?
Aortic Valve Insufficiency120165810.100 Why?
Aged1620221644570.100 Why?
beta-Thalassemia120142260.100 Why?
Connexin 43120122010.100 Why?
Organ Size6201522390.100 Why?
Prognosis92015290780.100 Why?
High-Throughput Screening Assays220149260.100 Why?
Membrane Potentials7201411030.090 Why?
Registries4201881730.090 Why?
Vena Cava, Inferior220114500.090 Why?
Fetal Diseases220079100.090 Why?
Nicotinic Antagonists12011940.090 Why?
Program Evaluation2201724560.090 Why?
Disease Progression52016133190.090 Why?
Blood Pressure5201584050.090 Why?
Tricuspid Valve Insufficiency120143530.090 Why?
Computer Simulation2202261520.090 Why?
Cicatrix120167700.090 Why?
Knee Injuries120154840.090 Why?
Linear Models5201658330.090 Why?
Sarcomeres120133680.090 Why?
Endomyocardial Fibrosis12010390.090 Why?
Multivariate Analysis82018120210.090 Why?
Pandemics2202084440.090 Why?
Reference Values3202248840.090 Why?
Brachiocephalic Trunk12009410.080 Why?
Biological Assay120126290.080 Why?
Hospitalization22021103420.080 Why?
Lumbar Vertebrae1201818190.080 Why?
Age Factors52024181590.080 Why?
Aortic Stenosis, Supravalvular12008290.080 Why?
Public Health1202226230.080 Why?
Ectopia Cordis1200850.080 Why?
Arthroscopy120159480.080 Why?
Equipment Design4201835130.080 Why?
Risk Assessment92024234700.080 Why?
Palliative Care3201335490.080 Why?
Calcium Signaling120127210.080 Why?
Protein Isoforms2201016900.080 Why?
Recombinant Proteins4201465170.080 Why?
Rhabdomyoma22011530.080 Why?
Area Under Curve3201816170.080 Why?
Receptors, Nicotinic120114950.070 Why?
Electrophysiological Phenomena120093090.070 Why?
Receptors, Purinergic P2120081510.070 Why?
Disease-Free Survival2201467900.070 Why?
Locomotion119893790.070 Why?
Tissue Array Analysis120095510.070 Why?
Patient Care Management120103000.070 Why?
Equipment and Supplies119892750.070 Why?
Heart Aneurysm120071140.070 Why?
Patient Care Planning120129050.070 Why?
Disease Management1201724570.070 Why?
Critical Pathways120104730.070 Why?
Survival Rate42018126450.070 Why?
Heart Atria3201813210.070 Why?
Vascular Resistance120099360.070 Why?
Canada3202020900.070 Why?
Embolization, Therapeutic1201513840.060 Why?
GTP-Binding Protein gamma Subunits12005240.060 Why?
GTP-Binding Protein beta Subunits12005330.060 Why?
Endocardial Fibroelastosis12005560.060 Why?
Neuropeptides220019440.060 Why?
Patient Selection1201741970.060 Why?
Teratoma220113970.060 Why?
Receptors, GABA-A120096240.060 Why?
United States92021704740.060 Why?
Heart Valve Diseases1201210340.060 Why?
Death, Sudden, Cardiac2201215290.060 Why?
Severity of Illness Index52017155610.060 Why?
Odds Ratio5201696000.060 Why?
Dose-Response Relationship, Drug42014107500.060 Why?
Prenatal Diagnosis2201012560.060 Why?
Hospital Costs120109590.060 Why?
Kaplan-Meier Estimate1201464620.060 Why?
Capsaicin120042260.060 Why?
Randomized Controlled Trials as Topic22018100980.060 Why?
Software1201744010.060 Why?
Tetrodotoxin220022460.060 Why?
Monitoring, Physiologic2200817550.050 Why?
Thoracic Duct12023640.050 Why?
Logistic Models52018131720.050 Why?
Transducers220182400.050 Why?
Cohort Studies82022405380.050 Why?
Adenosine Triphosphate1200819830.050 Why?
Flow Cytometry1201258430.050 Why?
Hemangioma, Capillary12002620.050 Why?
Guideline Adherence1201221890.050 Why?
Postoperative Period3201218120.050 Why?
Prosthesis Design2202021090.050 Why?
Endovascular Procedures1201520300.050 Why?
Neuralgia220055740.050 Why?
Dilatation, Pathologic220165160.050 Why?
Polyvinyls120021530.050 Why?
Case-Control Studies32014216980.050 Why?
Anesthesia, General2200711340.050 Why?
Coronary Stenosis220088140.050 Why?
Metals120057080.050 Why?
Arteriovenous Shunt, Surgical120032790.040 Why?
National Heart, Lung, and Blood Institute (U.S.)120213110.040 Why?
Transfection5200857890.040 Why?
Tissue Engineering1201018520.040 Why?
Myocardial Infarction32018116610.040 Why?
Rats72014237000.040 Why?
Calcium1201256560.040 Why?
Animals1220201665780.040 Why?
HEK293 Cells3201441830.040 Why?
Anastomosis, Surgical220169680.040 Why?
Equipment Failure220065720.040 Why?
Thorax120225430.040 Why?
Sheep2201314350.040 Why?
Medical Records1200413920.040 Why?
Brain Chemistry120029690.040 Why?
Aortography120004100.040 Why?
Troponin120215130.040 Why?
Prostheses and Implants1200512840.040 Why?
Heart Rate, Fetal12018760.040 Why?
Veins120027620.040 Why?
Anesthesia1200815580.040 Why?
Cardiac Output120008290.040 Why?
Delphi Technique120207860.040 Why?
Infectious Disease Transmission, Patient-to-Professional120202480.040 Why?
Amino Acid Sequence42014135130.040 Why?
Tomography, X-Ray Computed62023201430.040 Why?
Length of Stay3202162990.040 Why?
Radiographic Image Enhancement120028680.040 Why?
Troponin T120227510.040 Why?
Ohio120173260.040 Why?
Statistics as Topic1200323420.030 Why?
Electric Stimulation3200817290.030 Why?
Kentucky12016810.030 Why?
Ontario120173920.030 Why?
Creatinine1202218500.030 Why?
Probability1200124700.030 Why?
Europe2201333550.030 Why?
Research Design3202460660.030 Why?
American Heart Association1202010140.030 Why?
Germany120188580.030 Why?
Neuroblastoma1200412320.030 Why?
Stainless Steel12015790.030 Why?
Incidence52015208210.030 Why?
Scotland120151500.030 Why?
Diagnostic Imaging1201034970.030 Why?
Rats, Sprague-Dawley4201181310.030 Why?
Hypertension1201583650.030 Why?
Cardiomegaly120185920.030 Why?
Sweden1201813680.030 Why?
Heart Function Tests120153170.030 Why?
Intraoperative Complications1200111790.030 Why?
Prosthesis Failure1202012040.030 Why?
Aftercare120208930.030 Why?
Norwood Procedures120161910.030 Why?
Mitral Valve Insufficiency1202414030.030 Why?
Glomerular Filtration Rate1202221450.030 Why?
Rupture120154330.030 Why?
Cloning, Molecular2201441880.030 Why?
Regression Analysis1200363370.030 Why?
Natriuretic Peptide, Brain1202216020.030 Why?
Survivors1200423030.030 Why?
Molecular Sequence Data32014177000.030 Why?
Analysis of Variance1200262280.030 Why?
Flow Injection Analysis12012210.030 Why?
Treatment Failure1201926160.030 Why?
Cerebellum1200014860.030 Why?
Comorbidity12007103760.030 Why?
Infection Control120209720.030 Why?
Molecular Conformation120145480.030 Why?
Luminescent Agents12012490.030 Why?
Neuronal Plasticity1200114200.030 Why?
Signal Processing, Computer-Assisted1200014870.030 Why?
Likelihood Functions120159850.030 Why?
Binding Sites2201260310.020 Why?
Models, Molecular2201253810.020 Why?
Nocardia11991110.020 Why?
Medical History Taking120157720.020 Why?
Spectrometry, Mass, Electrospray Ionization120122600.020 Why?
Stress, Mechanical1201616550.020 Why?
Pregnancy32008292980.020 Why?
Consensus1202030170.020 Why?
Angioplasty, Balloon120156100.020 Why?
Disability Evaluation1201818100.020 Why?
Respiratory Mucosa120144530.020 Why?
Disulfides120124550.020 Why?
Netherlands1201521800.020 Why?
Codon120126020.020 Why?
CHO Cells2200413940.020 Why?
Protein Interaction Domains and Motifs120124520.020 Why?
Circular Dichroism120103460.020 Why?
Equipment Failure Analysis120128490.020 Why?
Radiation Dosage1201819500.020 Why?
Echocardiography, Stress120101340.020 Why?
Flumazenil12009840.020 Why?
GABA-A Receptor Antagonists12009590.020 Why?
Cricetinae2200424270.020 Why?
Chi-Square Distribution1201534300.020 Why?
Gene Expression Regulation22004118700.020 Why?
Aged, 80 and over22018576220.020 Why?
Physical Examination1201512330.020 Why?
Peptide Fragments1202250360.020 Why?
GABA-A Receptor Agonists12009830.020 Why?
Gestational Age1201835200.020 Why?
Up-Regulation2201041180.020 Why?
Preoperative Care2201322230.020 Why?
Receptors, Purinergic P2X21200880.020 Why?
Small Molecule Libraries120147190.020 Why?
Antibody Specificity2200110630.020