Related by context. All words. (Click for frequent words.) 74 transesophageal echocardiography 73 transthoracic 73 transabdominal 72 endoluminal 72 keratoplasty 71 computed tomographic 71 coronary CTA 71 percutaneous vertebroplasty 70 transoral 70 TLIF 70 endoscopic retrograde cholangiopancreatography ERCGrant Parpan 70 Cardiac catheterization 70 transforaminal 69 percutaneous catheter 69 intracardiac 69 dobutamine stress 69 VATS lobectomy 69 percutaneous interventions 69 sonographically guided 69 esophagogastric 69 transvaginal 68 Transesophageal 68 fundoplication 68 Doppler ultrasound 68 transvaginal sonography 68 endobronchial 68 anastomotic devices 68 arthrography 68 gauge vitrectomy 68 EBUS 68 helical CT 68 digital subtraction angiography 68 tracheal intubation 68 bi ventricular pacing 68 Bronchoscopy 68 gynecologic procedures 67 Ultrasonography 67 HoLEP 67 perfusion imaging 67 Magnetic resonance 67 VisuMax 67 functional mitral regurgitation 67 colonography 67 transrectal 67 colonoscopic 67 tissue ablation 67 spinal metastases 67 Acuson S# 67 Cholecystectomy 67 liver resection 67 thrombus aspiration 67 GORE TAG Device 67 endoscopic retrograde 67 Coronary artery bypass 67 transrectal ultrasound guided 67 pelvic lymphadenectomy 67 adenoidectomy 67 Carotid artery 67 peripheral arterial 67 paracentesis 67 ultrasonographic 67 Doppler echocardiography 67 endoscopic ultrasonography 67 Accelerated Partial Breast Irradiation 67 esophagogastroduodenoscopy 67 angiography CTA 67 multidetector row 67 NAVISTAR R 67 hepatic lesions 67 MR angiography 67 excisional biopsy 67 valvuloplasty 66 transthoracic echocardiography 66 Cryoablation 66 less invasive laparoscopic 66 pathologic correlation 66 Transurethral 66 repair TEVAR 66 Computed tomography 66 Endoscopic ultrasound 66 prostate TURP 66 diagnostic modality 66 bronchoscopic 66 percutaneous transluminal coronary angioplasty 66 nephrectomies 66 HIPEC 66 valve implantation 66 suprarenal 66 Echocardiogram 66 venography 66 needle aspiration 66 mitral stenosis 66 cardiac perfusion 66 vascular anatomy 66 COR Analyzer 66 transrectal ultrasound 66 transcranial Doppler 66 cartilage lesions 66 balloon dilation 66 extracorporeal circulation 66 Third Eye Retroscope 66 flexible endoscope 66 carotid artery stenting CAS 66 endoscopic ultrasound 66 microdebrider 66 posterolateral fusion 66 endothelial keratoplasty 66 CT angiography CTA 66 urography 66 EBUS FNA 66 sacrocolpopexy 66 adrenalectomy 66 intraocular lens implantation 66 osteoporotic compression fractures 66 catheter ablations 66 duplex ultrasonography 66 trabeculectomy 65 x ray angiography 65 transurethral 65 aortic root replacement 65 sympathectomy 65 thoracolumbar spine 65 Balloon kyphoplasty 65 cytological 65 TUMT 65 ablation procedures 65 optical coherence tomography 65 posterior lumbar interbody fusion 65 ostial 65 transnasal 65 epicardial 65 functional endoscopic sinus 65 Lumbar Interbody Fusion 65 distal anastomosis 65 scleral buckling 65 descending thoracic 65 intravascular ultrasound 65 electrophysiologic 65 conformal radiotherapy 65 cardiac resynchronisation therapy 65 laparoscopic nephrectomy 65 sonographic evaluation 65 wedge resection 65 transesophageal echocardiography TEE 65 coronary bypass grafting 65 tonometry 65 oncologic outcomes 65 polyp detection 65 urodynamic 65 Coronary Artery Bypass Graft 65 carotid artery stenting 65 Optical Coherence Tomography 65 tenodesis 65 stress echocardiography 65 tricuspid valve repair 65 Coronary angioplasty 65 radiofrequency catheter ablation 65 antireflux 65 conventional angiography 65 photocoagulation 65 preoperative staging 65 PlasmaBlade 65 hepatic arterial 65 arterial grafts 65 electrosurgical generator 65 minimally invasive outpatient 65 intra operatively 65 myocardial revascularization 65 lumbar spine fusion 65 Nonsurgical 65 balloon dilatation 65 multifocal IOLs 65 incisional 65 thoracic aortic aneurysm 65 echocardiographic 65 osteoid osteoma 65 nephron sparing surgery 65 intraventricular 65 ureteroscopy 64 vein ablation 64 Plicator 64 phakic 64 Cystoscopy 64 metaplasia 64 laparoscopic surgical procedures 64 lung resection 64 MitraClip device 64 metastatic lymph nodes 64 multidetector CT 64 resynchronization therapy 64 gadolinium enhanced 64 biventricular pacing 64 FFR measurement 64 myocardial viability 64 HeartNet 64 osseointegration 64 renal biopsy 64 chemoembolization 64 electrocardiography ECG 64 cataract extraction 64 carotid endarterectomy CEA 64 minimally invasive technique 64 endovascular abdominal aortic 64 spiral computed tomography 64 superficial femoral 64 Angiographic 64 arteriography 64 color Doppler sonography 64 incisionless 64 computed tomography CT angiography 64 Breast conserving 64 tissue oxygenation 64 extrapleural pneumonectomy 64 pacemaker implantation 64 lumbar disc replacement 64 endorectal 64 photon laser 64 endoscopic surgical 64 cardiopulmonary bypass CPB 64 Balloon sinuplasty 64 adnexal masses 64 laparoscopic colon 64 lumbar fusion 64 parenchymal 64 intracavitary 64 Dural Sealant 64 sonographic appearance 64 stereotactic radiotherapy 64 tomography imaging 64 MDCT angiography 64 transurethral resection 64 Breast Specific 64 esophageal manometry 64 OPCAB 64 multimodality therapy 64 DIEP flap 64 Multidetector CT 64 thoracoscopic lobectomy 64 coronary intervention 64 TURBT 64 video assisted thoracoscopic 64 FDG-PET/CT 64 pathologic examination 64 TKAs 64 gynecologic surgery 64 atrial fibrillation ablation 64 Scintigraphy 64 transcranial Doppler ultrasound 64 computed tomography angiography 64 Coronary CTA 64 cholecystectomies 64 balloon valvuloplasty 64 intrathoracic 64 lung biopsies 64 Fully Covered Stent 64 transapical 64 transarterial 64 artery embolization 64 Surgical excision 64 tumor excision 64 AF ablation 64 guided percutaneous 64 coil embolization 64 endovascular aneurysm repair 64 CryoMaze 64 osteoid 64 VCUG 64 Single Photon Emission Computed 64 cardiac CT angiography 64 pulmonary angiography 64 cytoreductive surgery 64 chondral 64 resections 64 Radiographic 64 nodal metastasis 64 Minimally invasive procedures 64 pCLE 64 CT angiograms 64 urolithiasis 64 TORS 64 PET myocardial perfusion 64 MR Angiography 64 fluoroscopically guided 64 fluorescein angiography 64 computed tomographic scans 64 Coronary angiography 64 Stabilimax 63 organ perfusion 63 FDG PET imaging 63 cerebral angiography 63 extra articular 63 angiographically 63 distal femoral 63 Flexible sigmoidoscopy 63 coronary computed tomography 63 transvenous 63 diffusion tensor 63 Renal Artery 63 Radiofrequency ablation 63 chest radiographs 63 positron emission 63 IVUS imaging 63 transient elastography 63 Minimally invasive 63 graft patency 63 pulmonary artery catheter 63 transcatheter closure 63 bypass grafting 63 RALP 63 endometrial biopsy 63 PressureWire 63 RVOT 63 dosimetric 63 REMINDER ORLive Presents 63 tachyarrhythmia 63 Coronary Angiography 63 Transvaginal 63 iliac artery disease 63 extracranial 63 percutaneous coronary 63 perfusion defects 63 Hemodynamic 63 distraction osteogenesis 63 myomas 63 Lymph node 63 ovarian malignancy 63 syngo 63 gastric imbrication 63 Coherex FlatStent 63 denervation 63 cerebral oximetry 63 LAGB 63 Balloon Kyphoplasty 63 pre operatively 63 posterior cervical 63 laser assisted lipolysis 63 thoracic aortic aneurysms 63 intraluminal 63 ESWL 63 DynaCT 63 ECLS 63 extracorporeal 63 carotid artery stent 63 epidural analgesia 63 cardiac repolarization 63 cystoscope 63 transmural 63 thermal ablation 63 SilverHawk Plaque Excision System 63 excisional 63 EBUS TBNA 63 percutaneous aortic valve 63 color Doppler 63 IDET procedure 63 abdominal computed tomography 63 resection cavity 63 Percutaneous Transluminal Coronary Angioplasty 63 Vasotrac 63 electrocardiography 63 Intravascular Ultrasound IVUS 63 scarless 63 body contouring procedure 63 postoperative atrial fibrillation 63 intramedullary nailing 63 MarginProbe 63 Cardiac CT 63 IOL implantation 63 thoracic aortic 63 computed tomographic scan 63 endorectal coil 63 F FDG PET 63 capsular contracture 63 anastomotic 63 Abdominal ultrasound 63 ATS CryoMaze 63 fracture fixation 63 adenomatous 63 invasive angiography 63 echo planar 63 endoscopic resection 63 Cardiopulmonary bypass 63 plication 63 perfusion MRI 63 esophageal gastric 63 endovascular therapy 63 hemodynamic measurements 63 DEEP AF 63 oral anticoagulation 63 colorectal adenoma 63 Intraoperative 63 meniscectomy 63 minimally invasive laparoscopic 63 FDG PET CT 63 ECG gated 63 perioperative morbidity 63 atrial ablation 63 Doppler sonography 63 laparoscopic radical prostatectomy 63 Crystalens AO 63 unicondylar 63 cystoscopic 63 coronary stenting 63 pain palliation 63 epicardial ablation 63 multislice 63 PET CT scanning 63 thymectomy 63 fluoroscopic images 63 tibial shaft 63 Radical prostatectomy 63 Pelvic Organ Prolapse 63 aortic annulus 63 Abdominoplasty 63 thoracoscopic 63 radiofrequency RF 63 4D imaging 63 carotid artery stenosis 63 Kyphoplasty 63 natural orifice transluminal 63 Arteriovenous 63 carotid angioplasty 63 angioplasty stenting 63 computed tomography scans 63 spinal manipulations 62 GORE VIABAHN Endoprosthesis 62 chemoradiation therapy 62 sentinel lymph node biopsy 62 distal femur 62 pneumatic compression 62 Ultrasound imaging 62 Balloon Sinuplasty TM 62 eBx 62 stent graft placement 62 natural orifice translumenal 62 CT coronary angiography 62 coronary CT angiography 62 nerve decompression 62 VBLOC TM 62 QuadraSphere 62 intracranial stenosis 62 Carotid 62 peri procedural 62 Ultrasonographic 62 Angiogram 62 computed tomographic angiography 62 Color Doppler 62 intraductal 62 chest radiography 62 perineural 62 mitral annular 62 TRUS 62 noninvasive ultrasound 62 ultrasonographic examination 62 multimodality imaging 62 sutureless 62 Embolic Protection Device 62 ischemic mitral regurgitation 62 endoscopic sinus surgery 62 intravascular imaging 62 benign prostatic hyperplasia enlarged 62 cardioverter defibrillator 62 electrostimulation 62 retropubic 62 manual lymphatic drainage 62 Sigmoidoscopy 62 pulmonary artery banding 62 laser Doppler 62 hamartoma 62 radionuclide imaging 62 fundus photography 62 inguinal hernia repair 62 conventional coronary angiography 62 PCNL 62 Catheter Ablation 62 coronary artery stenting 62 haemodynamic 62 needle electromyography procedures 62 atherosclerotic renal artery stenosis 62 Biopsy System 62 FFR measurements 62 nonsurgical treatment 62 lumbar spinal fusion 62 Fontan procedure 62 Sentinel node biopsy 62 treat menorrhagia 62 median sternotomy 62 Afib 62 capsulotomy 62 bronchoscopic procedure 62 upper endoscopy 62 valve prosthesis 62 rotational angiography 62 bimanual 62 hip resurfacing arthroplasty 62 prostate carcinoma 62 leiomyomas 62 Coronary stents 62 EsophyX 62 lymphadenectomy 62 coagulation abnormalities 62 microdissection 62 postsurgical 62 Stabilimax NZ 62 Myocardial Perfusion Imaging 62 atrial arrhythmias 62 hemodynamic variables 62 endocardial 62 cardiac ablation procedures 62 CardioFit 62 autologous chondrocyte implantation 62 laparoscopic fundoplication 62 antireflux surgery 62 cerebral angiogram 62 Sentinel Lymph Node Biopsy 62 bone marrow aspiration 62 ablative therapy 62 appendiceal 62 EUS FNA 62 endometrial carcinoma 62 histologic findings 62 coronary vessels 62 pretransplant 62 electroencephalographic 62 atrial pacing 62 colposuspension 62 OVATIO 62 INFUSE Bone Graft 62 benign neoplasms 62 preoperative diagnosis 62 concurrent chemoradiation 62 unicompartmental 62 arteriotomy 62 corneal thickness 62 multiplanar 62 mitral repair 62 abdominal ultrasound 62 percutaneous tibial nerve 62 tissue perfusion 62 full thickness plication 62 biliary obstruction 62 ANCA associated 62 atrioventricular block 62 autoregulation 62 microcatheters 62 osteotomies 62 Cardiac Resynchronization Therapy 62 prostate carcinomas 62 abdominal aortic aneurysms AAA 62 multislice CT 62 WallFlex Biliary RX 62 coronary anatomy 62 endovascular procedures 62 Sonographic 62 vascular ultrasound 62 noninvasive diagnostic 62 coronary artery stents 62 RNFL 62 cardioplegic arrest 62 intravesical therapy 62 jugular venous 62 electrophysiology procedures 62 Biphasic 62 osteopathic manipulative treatment 62 Capsule endoscopy 62 histopathological examination 62 GORE TAG ® 62 EnSite Velocity System 62 Tracheostomy 62 laparoscopic cholecystectomy 62 DEV DA TOMAR NEXT 62 postoperative morbidity 62 intra arterial 62 videoscope 62 embolectomy 62 pulmonary resection 62 stent grafting 62 percutaneously 62 intraobserver 62 Antibiotic prophylaxis 62 biceps tenodesis 62 morphologic characteristics 62 stereotactic radiosurgery SRS 62 chronic venous insufficiency 62 abnormal uterine bleeding 62 Clinical Relevance 62 coronary sinus 62 Minimally invasive surgery 62 syngo DynaCT 62 MGuard ™ 62 atraumatic 62 CTO recanalization 62 angiography CCTA 62 colon resection 62 cystoid macular edema 62 Percutaneous vertebroplasty 62 urothelial carcinoma 62 proximal femur 62 Elastography 62 minimally invasive laparoscopic surgery 62 HALO# [002] 62 Carotid endarterectomy 62 aberrometer 62 Autograft 62 electrophysiology EP 62 Cardiolite ® 62 Electromyography 62 prospective multicenter study 62 Patency 62 Européenne Mark 62 Intravascular 62 radiographic imaging 62 Artida 62 Optical coherence tomography 62 perfusion abnormalities 62 fetal echocardiography 62 esophageal carcinoma 62 incisionless surgery 61 septoplasty 61 Sonography 61 PD2i 61 breast abscesses 61 femoral neck fracture 61 tricuspid valves 61 Bonati Procedures 61 laparoscopic technique 61 manometry 61 Contrast Enhanced 61 Atrial 61 fluoroscopic 61 myotomy 61 Preoperative 61 contractile function 61 spectral Doppler 61 femoroacetabular impingement 61 bifurcation stent 61 neuro vascular 61 atrioventricular 61 stratifying patients 61 pulsed Doppler 61 Infarct 61 laparoscopic surgical 61 radiofrequency RF ablation 61 histopathologic findings 61 tortuosity 61 renal calculi 61 V3D Colon 61 densitometry 61 minimally invasive therapies 61 Ebstein anomaly 61 lesion localization 61 adenoma detection 61 lateral radiograph 61 sonographic guidance 61 microsurgical techniques 61 postoperative radiotherapy 61 cosmesis 61 valvular 61 renal artery stenosis 61 CARESCAPE Monitor B# 61 bone scintigraphy 61 plain radiographs 61 Ventricular 61 phakic IOL 61 intraoperative complications 61 Tumor Response 61 thoracoscopy 61 chronic thromboembolic pulmonary 61 LapBand 61 Intuitive Surgical da Vinci 61 mediastinitis 61 endovascular interventions 61 Catheter ablation 61 abdominal aneurysms 61 Smartlipo MPX 61 oncological outcomes 61 electromyographic EMG 61 allogeneic HSCT 61 CorPath 61 eNO 61 Embolization 61 FibroScan ® 61 respiratory gating 61 ReValving 61 surgical decompression 61 ClearPath HDR 61 MDCTA 61 Valiant Thoracic Stent Graft 61 Mitral valve 61 Single Incision Laparoscopic Surgery 61 decompressive 61 bone grafting procedures 61 radiographic examinations 61 Polyzene R F 61 hypervascular tumors 61 multidetector computed tomography 61 coronary carotid 61 interobserver 61 renal artery stenting 61 Mitomycin C 61 Platinum Chromium 61 Swan Ganz catheter 61 antiangiogenic therapy 61 assisted laparoscopic 61 preoperative evaluation 61 renal scarring 61 lavage 61 arthrodesis 61 SPY Imaging 61 color Doppler ultrasound 61 quantitative computed tomography 61 pelvic ultrasound 61 biliary stent 61 Embolic Protection System 61 da Vinci Robot 61 Spectranetics laser 61 endovascular stent 61 LVRS 61 IVDs 61 Corus CAD 61 keratectomy 61 urologic surgeons 61 intima media thickness 61 noninvasive painless 61 sternotomy 61 Vitrectomy 61 anterior pelvic 61 nasal CPAP 61 SPECT CT imaging 61 holmium laser 61 cryosurgical treatment 61 coblation 61 TECNIS ® 61 CardioPass 61 Anti Bacterial Envelope 61 surgical microscopes 61 Fractional Flow Reserve 61 Emboli Capture Guidewire 61 ventilation perfusion 61 biventricular 61 Nissen fundoplication 61 abdominal aortic 61 Zilver PTX stent 61 peripheral artery 61 postoperative pulmonary 61 deformity correction 61 DXA scan 61 urological procedures 61 neurophysiologic 61 risk reducing salpingo 61 noninvasive outpatient 61 LHRH receptor positive 61 primary patency 61 osteochondral lesions 61 TAXUS Liberte Stent 61 annuloplasty rings 61 corneal curvature 61 CARE HF 61 tamponade 61 Vizilite 61 Stereotactic Body Radiation Therapy 61 varicoceles 61 bronchoscopes 61 left ventricular diastolic 61 histopathologic examination 61 ascending aortic 61 magnetic resonance MR 61 Peripheral Arterial 61 LipoLite 61 tumescent liposuction 61 NATRECOR ® 61 scarless surgery 61 AMPLATZER 61 antegrade 61 Synchrony lens 61 endoleaks 61 esophageal resection 61 urethral strictures 61 interventional therapies 61 interventional radiology procedures 61 Benign Prostatic Hyperplasia BPH 61 cardiac auscultation 61 Y Gastric Bypass 61 Coronary artery bypass graft 61 transcatheter aortic valve implantation 61 renal tumors 61 percutaneous drainage 61 meniscal repair 61 monofocal 61 CT angiogram 61 ablations 61 Stereotactic Radiosurgery 61 vertebrobasilar 61 da Vinci r 61 pelvic radiotherapy 61 gastrointestinal endoscopic 61 MSCT 61 tibial tubercle 61 intraperitoneal chemotherapy 61 single incision laparoscopic 61 Hypertrophy 61 postoperative infections 61 mitral valve repair 61 optical coherence tomography OCT 61 Vertebral 61 nondiagnostic 61 primary hyperparathyroidism 61 surgical ablation 61 THERMOCOOL R 61 Balloon angioplasty 61 audiometric 61 cediranib 61 endosonography 61 anterior cervical discectomy 61 endometrial ablation 61 adjuvant therapies 61 Legg Calvé Perthes disease 61 Computed Tomographic 61 Intensity Modulated Radiation Therapy 61 chiropractic manipulation 61 perioperative mortality 61 hyperplastic 61 laparoscopic partial nephrectomy 61 Airway Bypass 61 noninvasive technique 61 mediastinal 61 Tasigna prolongs 61 GnRH agonists 61 multifocal IOL 61 CT Angiography 61 occlusive disease 61 defibrillator implant 61 OsseoSpeed 61 laparoscopic hysterectomy 61 anterior lumbar interbody fusion 61 Hypertrophic 61 preemptive analgesia 61 endoscopic surgical procedures 61 defibrillator implantation 61 Epi LASIK 61 enteroscopy 61 CRT ICD 61 interstitial brachytherapy 61 total knee arthroplasties 61 talar dome 61 WavSTAT 61 RARP 61 Randomized clinical trials 61 positron emission tomography computed 61 aortic regurgitation 61 Diamondback #deg 61 minimally invasive percutaneous 61 endoprosthesis 61 inotropic agents 61 suprapubic 61 mediastinoscopy 61 aerosolized KL4 surfactant 61 Microwave Ablation System 61 perioperative complications 61 biliary tract cancer 61 cervical lymph nodes 61 presbyopia correcting 61 postoperative complication 61 Nitinol Stent 61 treat benign prostatic 61 abdominal hysterectomy 61 gadobutrol 61 Custom LASIK 61 artery stenosis 61 endoscopists 61 CINtec ® PLUS 61 ablative therapies 61 laproscopic 61 Aneurysm Repair 60 CT pulmonary angiography 60 Tomographic 60 chiropractic manipulations 60 intravascular ultrasonography 60 mid urethral sling 60 brain tumor resection 60 Intra operative 60 thermogram 60 pyeloplasty 60 STARFlex 60 Echocardiography 60 diskectomy 60 Burch colposuspension 60 CardioPass TM 60 everolimus eluting stents 60 radical cystectomy 60 carotid revascularization 60 prehospital setting 60 Vertebroplasty 60 microsurgical 60 NMIBC 60 thrombus removal 60 radioembolization 60 intraoperatively 60 extracapsular 60 Cardiorespiratory fitness 60 urodynamics 60 Doppler imaging 60 NovaSure 60 percutaneous biopsy 60 intact parathyroid hormone 60 Direct Visualization 60 Phacoemulsification 60 vertebral compression fracture 60 incisional hernias 60 schwannomas 60 pulmonary metastases 60 CompuFlo 60 transcranial 60 intradiscal 60 clinicopathological features 60 retroperitoneal 60 CT perfusion 60 Intra arterial 60 carotid IMT 60 guaiac 60 urethral stricture 60 contrast echocardiography 60 Endoscopic 60 LightLab OCT 60 vertebral compression fractures VCFs 60 aneurysm sac 60 Nephrectomy 60 Femtosecond laser 60 truncal 60 Computed tomographic 60 Intra articular 60 hyperinsulinemic euglycemic clamp 60 Electrocardiography 60 ATS Simulus R 60 thorough QT 60 mediastinum 60 ductal carcinomas 60 cytologic 60 Multivariate logistic regression 60 endoscopic surgeries 60 pelvic lymph node dissection 60 microvessel 60 underwent coronary angiography 60 noncardiac 60 GORE TAG 60 balloon brachytherapy 60 sirolimus eluting 60 AST ALT 60 paclitaxel eluting stents 60 Coronary artery bypass grafting 60 angio 60 disposable catheter 60 Endometrial ablation 60 submucosal 60 balloon angioplasties 60 interventricular septum 60 Berlin Heart EXCOR 60 postoperative hemorrhage 60 multimodality 60 varices 60 incomplete revascularization 60 IDET 60 radiotherapy RT 60 antiplatelet therapies 60 disk herniation 60 XLIF 60 BPS IC 60 hepatectomy 60 counterpulsation 60 cardiac magnetic resonance 60 Tomography SPECT 60 gated SPECT 60 aneurysmal 60 ionotropic 60 urethral bulking agent 60 nomograms 60 antiangiogenic agents 60 intravascular stent 60 enhanced MR angiography 60 radical retropubic prostatectomy 60 aneurysms AAA 60 proton MR spectroscopy 60 disc arthroplasty 60 ileal 60 AneuRx 60 mitral valve replacement 60 debulking surgery 60 central corneal thickness 60 pelvic prolapse 60 Adjustable Gastric Band 60 postoperative AF 60 karyotyping 60 sonographic examinations 60 mechanical thrombectomy 60 cCTA 60 T2 weighted imaging 60 penetrating keratoplasty 60 defibrillator CRT D 60 intracoronary 60 STRIDE PD