Harvard Catalyst Profiles

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

Andrew James Powell, M.D.

Concepts (539)

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, Cine3920229345.510 Why?
Tetralogy of Fallot2520215733.360 Why?
Heart Ventricles42202238352.930 Why?
Pulmonary Valve Insufficiency1020211412.400 Why?
Ventricular Function, Left26202234222.280 Why?
Pulmonary Valve1320214012.270 Why?
Heart Defects, Congenital39202242582.190 Why?
Magnetic Resonance Angiography15202114672.190 Why?
Ventricular Function, Right1520185801.920 Why?
Fontan Procedure2320227391.890 Why?
Myocardial Contraction9201916491.840 Why?
Ventricular Dysfunction, Left13202220331.780 Why?
Pulmonary Artery18201819011.400 Why?
Ventricular Dysfunction, Right1120185761.210 Why?
Heart16202243261.210 Why?
Magnetic Resonance Imaging642022343941.190 Why?
Stroke Volume33202245701.190 Why?
Imaging, Three-Dimensional10202240101.150 Why?
Transposition of Great Vessels820185601.120 Why?
Myocardium16202249381.100 Why?
Pulmonary Atresia720111501.060 Why?
Cardiac Surgical Procedures19202034501.030 Why?
Aortic Valve Stenosis7201518340.960 Why?
Ventricular Remodeling10201812690.950 Why?
Collateral Circulation420133080.910 Why?
Hypoplastic Left Heart Syndrome520165280.890 Why?
Heart Valve Prosthesis Implantation9202014870.860 Why?
Cardiac-Gated Imaging Techniques320211450.810 Why?
Echocardiography, Doppler1020189600.810 Why?
Ventricular Dysfunction320141410.810 Why?
Coronary Circulation6202016520.770 Why?
Echocardiography22202250980.740 Why?
Cardiac Imaging Techniques420212680.730 Why?
Child962022741460.730 Why?
Motion420177670.720 Why?
Predictive Value of Tests262022152580.700 Why?
Coronary Vessel Anomalies520163120.690 Why?
Tricuspid Valve320183940.680 Why?
Cardiovascular System320227670.660 Why?
Pulmonary Circulation520187360.650 Why?
Ebstein Anomaly12018930.640 Why?
Adolescent912022849990.640 Why?
Image Interpretation, Computer-Assisted9202134210.620 Why?
Recovery of Function9202029500.610 Why?
Coronary Vessels6201629700.610 Why?
Image Processing, Computer-Assisted15202289980.610 Why?
Respiration4202216700.600 Why?
Iron Overload320212330.600 Why?
Child, Preschool642022411810.590 Why?
Sodium Channels1120103740.590 Why?
Diaphragm220173550.580 Why?
Exercise Tolerance820197980.570 Why?
Ventricular Pressure220152170.560 Why?
Aortic Coarctation420152660.560 Why?
Endocardial Cushion Defects12014460.540 Why?
Diastole820228300.540 Why?
Young Adult532022561550.520 Why?
Contrast Media14202052700.520 Why?
Leukemia1202215240.510 Why?
Infant522022344970.510 Why?
Retrospective Studies612022722550.500 Why?
Myocarditis220216800.500 Why?
Respiratory-Gated Imaging Techniques12014710.490 Why?
Iron4202117350.480 Why?
Pulmonary Valve Stenosis320181830.470 Why?
Health Resources220179240.460 Why?
Heart Diseases5202127630.460 Why?
Humans17820227151240.450 Why?
Iron Chelating Agents220141430.440 Why?
Aorta9201621180.440 Why?
Catheterization4201014530.430 Why?
Adult8220222121290.430 Why?
Hemosiderosis12012710.430 Why?
Reproducibility of Results252022194990.430 Why?
Heart Neoplasms420113830.420 Why?
Angiography4202016680.420 Why?
Thalassemia220082670.420 Why?
Observer Variation12201826800.410 Why?
Male11220223510810.410 Why?
Artificial Intelligence1202217290.400 Why?
Postoperative Care1201715120.390 Why?
Blood Flow Velocity7201214440.390 Why?
Exercise3202253190.390 Why?
Aorta, Thoracic6201510380.390 Why?
Female10720223773340.380 Why?
Gadolinium DTPA620168290.380 Why?
Health Promotion1202221800.370 Why?
Heart Bypass, Right12009770.360 Why?
Phantoms, Imaging7202224120.360 Why?
Dobutamine120091270.350 Why?
Artifacts2201519060.350 Why?
Algorithms132021136690.330 Why?
Fibrosis6201819440.330 Why?
Cardiomyopathy, Hypertrophic3201311880.320 Why?
Image Enhancement4201429780.320 Why?
Propanolamines120071670.310 Why?
Time Factors252020410810.310 Why?
Systole520179930.310 Why?
Cardiovascular Diseases52020143260.300 Why?
Heart Septum120073210.300 Why?
Exercise Test12201821160.300 Why?
Electrophysiology2200913310.300 Why?
Ion Channels2200910820.290 Why?
Carbazoles120072380.290 Why?
Cardiomyopathies2201518290.290 Why?
Heart Rate3202141020.280 Why?
Hypertrophy, Right Ventricular320181210.280 Why?
Cardiotonic Agents120095510.280 Why?
Diseases in Twins120074630.270 Why?
Muscular Dystrophies120073900.270 Why?
Mucocutaneous Lymph Node Syndrome220185530.270 Why?
Biomedical Research1202032730.270 Why?
Ion Channel Gating720124550.260 Why?
Treatment Outcome332020621860.260 Why?
Hypertrophy, Left Ventricular320168610.260 Why?
Heart Septal Defects, Atrial420114880.260 Why?
Health Care Costs1201731710.240 Why?
Tachycardia, Ventricular5201812140.240 Why?
Arrhythmias, Cardiac4201921290.240 Why?
Follow-Up Studies272021392850.240 Why?
Cardiovascular Surgical Procedures220152100.230 Why?
Heart Septal Defects, Ventricular220064800.230 Why?
Ganglia, Spinal620105100.230 Why?
Ventricular Function420204230.230 Why?
Pulsatile Flow220023340.230 Why?
Cardiology3202016510.230 Why?
Quality Improvement2201737480.220 Why?
Heart Transplantation7202130810.220 Why?
Protein-Losing Enteropathies12001470.220 Why?
Adrenergic beta-Antagonists1200712300.210 Why?
Infant, Newborn232016246450.210 Why?
Cardiomyopathy, Dilated120078160.210 Why?
Hemangioma220117380.210 Why?
Respiratory Mechanics220166420.210 Why?
Heart Valve Prosthesis3202014950.210 Why?
Vascular Fistula12000530.200 Why?
Drug Discovery1200910670.200 Why?
Oximetry120034660.190 Why?
Echocardiography, Doppler, Pulsed22011740.190 Why?
Abnormalities, Multiple3201113850.190 Why?
Ventricular Outflow Obstruction220202720.190 Why?
Anemia1200814160.180 Why?
Coronary Aneurysm120022230.180 Why?
Patch-Clamp Techniques720149790.180 Why?
Hemodynamics7201842260.180 Why?
Middle Aged3620202148710.180 Why?
Cardiac Volume220102120.180 Why?
Electrocardiography, Ambulatory220145920.170 Why?
Magnetic Resonance Spectroscopy4202237050.170 Why?
Stents5201533030.170 Why?
Cell Line92009166800.170 Why?
ROC Curve4201835260.170 Why?
Neurons, Afferent420055180.170 Why?
Models, Cardiovascular2201210040.170 Why?
Fibroma320112140.170 Why?
Gadolinium420099100.170 Why?
Sensitivity and Specificity72022148770.160 Why?
Protein Subunits4201210170.160 Why?
Bioprosthesis220206130.160 Why?
Prospective Studies182022511810.160 Why?
Diskectomy120181960.150 Why?
Fetal Heart120182740.150 Why?
Blalock-Taussig Procedure12016630.150 Why?
Regional Blood Flow4201215680.150 Why?
Protons1202110680.150 Why?
Boston10202194000.150 Why?
Databases, Factual6201878360.150 Why?
Pulmonary Veins320117160.150 Why?
Behavior Therapy120228690.150 Why?
Systemic Inflammatory Response Syndrome120216160.140 Why?
Ultrasonography, Prenatal2201815950.140 Why?
Poisson Distribution120175150.140 Why?
Congresses as Topic120207770.140 Why?
Liver3202176470.140 Why?
Oxygen Consumption6201919330.140 Why?
Diffusion of Innovation120207130.140 Why?
Risk Factors202020707040.140 Why?
Cross-Sectional Studies112022232830.140 Why?
Marijuana Smoking120182520.130 Why?
Heart Failure52022101230.130 Why?
Vascular Surgical Procedures2201514780.130 Why?
Kv1.2 Potassium Channel12014150.130 Why?
Coronary Angiography4201844010.130 Why?
Radiation Protection120184560.130 Why?
Pichia12014540.130 Why?
Radiography7201369940.130 Why?
Heart Septal Defects120141790.120 Why?
Echocardiography, Three-Dimensional220105990.120 Why?
Nerve Tissue Proteins5201045950.120 Why?
Elasticity120156580.120 Why?
Hospitals, Pediatric4201817800.120 Why?
Drug Evaluation, Preclinical3201414080.120 Why?
Aequorin12012160.120 Why?
Blood Vessel Prosthesis220159610.120 Why?
Feasibility Studies5202049160.120 Why?
Arteries1201811060.120 Why?
Graft Occlusion, Vascular119955250.110 Why?
Practice Guidelines as Topic3202074800.110 Why?
Watchful Waiting120164570.110 Why?
Bundle-Branch Block120142760.110 Why?
Postoperative Complications62017150980.110 Why?
Electrocardiography9202164030.110 Why?
Aortic Valve Insufficiency120165760.110 Why?
Aged1620221626740.110 Why?
beta-Thalassemia120142390.110 Why?
Coronavirus Infections2202031580.110 Why?
Connexin 43120122170.110 Why?
Pneumonia, Viral2202032760.110 Why?
Organ Size6201523130.110 Why?
Ventricular Septum12011540.110 Why?
Prognosis92015291680.100 Why?
High-Throughput Screening Assays220149320.100 Why?
Tricuspid Valve Insufficiency120143390.100 Why?
Nicotinic Antagonists12011950.100 Why?
Fetal Diseases220078980.100 Why?
Cicatrix120166930.100 Why?
Membrane Potentials7201411840.100 Why?
Registries4201880900.100 Why?
Vena Cava, Inferior220114490.100 Why?
Disease Progression52016133020.100 Why?
Knee Injuries120154720.100 Why?
Sarcomeres120133530.100 Why?
Pandemics2202072130.100 Why?
Computer Simulation2202260750.100 Why?
Endomyocardial Fibrosis12010430.100 Why?
Blood Pressure5201585660.100 Why?
Program Evaluation2201725290.100 Why?
Linear Models5201659800.100 Why?
Brachiocephalic Trunk12009390.090 Why?
Multivariate Analysis82018124770.090 Why?
Hospitalization2202197180.090 Why?
Public Health1202223740.090 Why?
Reference Values3202250610.090 Why?
Aortic Stenosis, Supravalvular12008290.090 Why?
Biological Assay120126580.090 Why?
Lumbar Vertebrae1201818390.090 Why?
Arthroscopy120158420.090 Why?
Ectopia Cordis1200860.090 Why?
Palliative Care3201332890.090 Why?
Equipment Design4201836280.080 Why?
Rhabdomyoma22011540.080 Why?
Protein Isoforms2201017090.080 Why?
Receptors, Nicotinic120114910.080 Why?
Calcium Signaling120127640.080 Why?
Area Under Curve3201816930.080 Why?
Recombinant Proteins4201468580.080 Why?
Electrophysiological Phenomena120093130.080 Why?
Locomotion119893770.080 Why?
Receptors, Purinergic P2120081600.080 Why?
Tissue Array Analysis120095740.080 Why?
Heart Aneurysm120071230.080 Why?
Patient Care Management120103190.080 Why?
Disease-Free Survival2201470510.080 Why?
Equipment and Supplies119892960.080 Why?
Heart Atria3201812730.070 Why?
Critical Pathways120104590.070 Why?
Canada3202019470.070 Why?
Patient Care Planning120129360.070 Why?
Mitral Valve1201414580.070 Why?
Vascular Resistance120099580.070 Why?
Disease Management1201725340.070 Why?
Survival Rate42018132550.070 Why?
Endocardial Fibroelastosis12005500.070 Why?
GTP-Binding Protein beta Subunits12005330.070 Why?
Embolization, Therapeutic1201513830.070 Why?
Risk Assessment82018235110.070 Why?
GTP-Binding Protein gamma Subunits12005320.070 Why?
Teratoma220113880.070 Why?
Neuropeptides220019330.070 Why?
United States92021676650.070 Why?
Age Factors42019187890.070 Why?
Heart Valve Diseases1201210570.070 Why?
Receptors, GABA-A120096230.070 Why?
Patient Selection1201743200.070 Why?
Prenatal Diagnosis2201011620.070 Why?
Death, Sudden, Cardiac2201215020.060 Why?
Severity of Illness Index52017160110.060 Why?
Randomized Controlled Trials as Topic2201895610.060 Why?
Odds Ratio5201699680.060 Why?
Dose-Response Relationship, Drug42014112850.060 Why?
Tetrodotoxin220022570.060 Why?
Hospital Costs120109830.060 Why?
Capsaicin120042390.060 Why?
Software1201743500.060 Why?
Kaplan-Meier Estimate1201467790.060 Why?
Monitoring, Physiologic2200817570.060 Why?
Transducers220182470.060 Why?
Logistic Models52018135940.060 Why?
Cohort Studies82022398040.060 Why?
Hemangioma, Capillary12002600.060 Why?
Neuralgia220055200.060 Why?
Endovascular Procedures1201519600.050 Why?
Prosthesis Design2202021440.050 Why?
Flow Cytometry1201261370.050 Why?
Postoperative Period3201218540.050 Why?
Dilatation, Pathologic220165160.050 Why?
Adenosine Triphosphate1200821890.050 Why?
Guideline Adherence1201223330.050 Why?
Polyvinyls120021620.050 Why?
Arteriovenous Shunt, Surgical120032420.050 Why?
Coronary Stenosis220088100.050 Why?
Anesthesia, General2200711020.050 Why?
Case-Control Studies32014217900.050 Why?
Metals120056910.050 Why?
National Heart, Lung, and Blood Institute (U.S.)120213170.050 Why?
Myocardial Infarction32018114020.050 Why?
Tissue Engineering1201018510.050 Why?
Transfection5200861430.050 Why?
Thorax120225140.050 Why?
Anastomosis, Surgical220169460.050 Why?
Equipment Failure220065820.050 Why?
Animals1220201707260.050 Why?
Calcium1201258180.040 Why?
HEK293 Cells3201443210.040 Why?
Rats72014250900.040 Why?
Sheep2201314690.040 Why?
Medical Records1200414200.040 Why?
Aortography120004380.040 Why?
Brain Chemistry1200210170.040 Why?
Troponin120215070.040 Why?
Heart Rate, Fetal12018750.040 Why?
Delphi Technique120207210.040 Why?
Veins120027500.040 Why?
Anesthesia1200815150.040 Why?
Prostheses and Implants1200513430.040 Why?
Cardiac Output120009060.040 Why?
Infectious Disease Transmission, Patient-to-Professional120202570.040 Why?
Ohio120173440.040 Why?
Kentucky12016780.040 Why?
Ontario120173630.040 Why?
Length of Stay3202162780.040 Why?
Troponin T120227520.040 Why?
Radiographic Image Enhancement120029210.040 Why?
Amino Acid Sequence42014142370.040 Why?
Electric Stimulation3200817780.040 Why?
Statistics as Topic1200324060.040 Why?
Neuroblastoma1200411740.040 Why?
Creatinine1202219020.040 Why?
Probability1200124800.040 Why?
Europe2201333450.040 Why?
American Heart Association120209850.040 Why?
Germany120188250.040 Why?
Stainless Steel12015850.040 Why?
Scotland120151520.040 Why?
Hypertension1201582470.040 Why?
Incidence52015205960.030 Why?
Sweden1201813180.030 Why?
Diagnostic Imaging1201034890.030 Why?
Aftercare120207050.030 Why?
Rats, Sprague-Dawley4201186020.030 Why?
Norwood Procedures120161600.030 Why?
Cardiomegaly120186450.030 Why?
Heart Function Tests120153340.030 Why?
Intraoperative Complications1200111870.030 Why?
Prosthesis Failure1202012250.030 Why?
Rupture120154280.030 Why?
Glomerular Filtration Rate1202221010.030 Why?
Survivors1200421650.030 Why?
Natriuretic Peptide, Brain1202215750.030 Why?
Cloning, Molecular2201444830.030 Why?
Flow Injection Analysis12012220.030 Why?
Regression Analysis1200364800.030 Why?
Luminescent Agents12012320.030 Why?
Cerebellum1200014910.030 Why?
Molecular Conformation120145620.030 Why?
Treatment Failure1201926780.030 Why?
Comorbidity12007104230.030 Why?
Infection Control120209550.030 Why?
Analysis of Variance1200265310.030 Why?
Molecular Sequence Data32014187340.030 Why?
Neuronal Plasticity1200114220.030 Why?
Likelihood Functions120159860.030 Why?
Nocardia11991110.030 Why?
Signal Processing, Computer-Assisted1200015660.030 Why?
Tomography, X-Ray Computed52020203980.030 Why?
Pregnancy32008271800.030 Why?
Consensus1202027440.030 Why?
Binding Sites2201262890.030 Why?
Models, Molecular2201255350.030 Why?
Medical History Taking120158010.030 Why?
Spectrometry, Mass, Electrospray Ionization120122930.030 Why?
Stress, Mechanical1201617050.030 Why?
Netherlands1201520850.030 Why?
Respiratory Mucosa120144620.030 Why?
Disability Evaluation1201818230.030 Why?
Disulfides120124620.030 Why?
Codon120126150.030 Why?
Angioplasty, Balloon120157300.020 Why?
Circular Dichroism120103510.020 Why?
CHO Cells2200414420.020 Why?
Protein Interaction Domains and Motifs120125100.020 Why?
Equipment Failure Analysis120128720.020 Why?
Flumazenil12009830.020 Why?
Echocardiography, Stress120101330.020 Why?
GABA-A Receptor Antagonists12009620.020 Why?
GABA-A Receptor Agonists12009850.020 Why?
Gestational Age1201834140.020 Why?
Cricetinae2200425950.020 Why?
Physical Examination1201512430.020 Why?
Radiation Dosage1201820380.020 Why?
Receptors, Purinergic P2X212008140.020 Why?
Chi-Square Distribution1201535650.020 Why?
Radiation12008520.020 Why?
Peptide Fragments1202251550.020 Why?
Phosphorus Isotopes120081290.020 Why?
Aged, 80 and over22018585050.020 Why?
Antibody Specificity2200111720.020 Why?
Small Molecule Libraries120147370.020 Why?
Gene Expression Regulation22004124250.020 Why?
Heart Conduction System1201410320.020 Why?
Up-Regulation2201043530.020 Why?
Azides120081310.020 Why?
Preoperative Care2201323630.020 Why?
Blood Chemical Analysis120104620.020 Why?
Cardiology Service, Hospital120102540.020 Why?
Coronary Disease2200261230.020 Why?
Societies, Medical1202037690.020 Why?
Pain Measurement1201835090.020 Why?