Related by context. All words. (Click for frequent words.) 70 exhaled nitric oxide 70 eNO 69 tissue oxygenation 68 albumin excretion rate 68 aminotransferase ALT 68 bronchial hyperresponsiveness 67 urine albumin 67 arterial oxygen saturation 66 hemoglobin A1c HbA1c 66 SpO 2 66 pulmonary capillary wedge 66 #mm Hg 66 glycosylated hemoglobin HbA1c 66 troponin T 66 Skin sterol 66 glycated hemoglobin levels 65 aspartate aminotransferase AST 65 hemoglobin A1c levels 65 cerebral oxygen saturation 65 FENO 65 serum cortisol 65 serum phosphate 65 platelet reactivity 65 spirometric 65 calculated creatinine clearance 64 CK MB 64 serum urate 64 PSA nadir 64 Ejection Fraction 64 glycated hemoglobin HbA1c 64 AST ALT 64 HbA1C levels 64 PASI scores 64 ejection fractions 64 intraobserver 64 Endothelial function 64 myocardial necrosis 64 HOMA IR 64 Cardiorespiratory fitness 64 glomerular filtration rate 64 diastolic blood pressures 64 FeNO 64 carotid stenosis 64 cTnT levels 64 mL/min/#.# m 2 64 Crohn Disease Activity 63 corticosteroid dose 63 alanine aminotransferase ALT 63 intraocular pressure IOP 63 procalcitonin 63 esophageal manometry 63 oxygen saturation SpO2 63 LV dysfunction 63 Hematocrit 63 serum lipid levels 63 serum aminotransferase levels 63 #OHD 63 creatine kinase MB 63 lactate dehydrogenase LDH 63 oral antidiabetic medication 63 serum uric acid 63 transcranial Doppler 63 carotid IMT 63 serum estradiol 63 HbA1C 63 myeloperoxidase 63 serum magnesium 63 glycosylated hemoglobin levels 63 bronchoalveolar lavage 63 International Normalized Ratio 63 serum IgG 63 leukocyte count 62 #mmHg [001] 62 postprocedure 62 Intraocular pressure 62 HbA 1c levels 62 echocardiographic parameters 62 left ventricular diastolic 62 PCWP 62 HER2 expression 62 ADCS CGIC 62 postoperative mortality 62 arterial elasticity 62 pulmonary arterial 62 intima media thickness 62 serum phosphorous 62 HbA 1c 62 intima media thickness IMT 62 aminotransferases 62 hemoglobin Hb 62 estimated glomerular filtration 62 hemodynamic variables 62 serum urate levels 62 cerebral oxygenation 62 Hyperlipidemia 62 Lp PLA 2 62 intact parathyroid hormone 62 central corneal thickness 62 serum bilirubin 62 cardiac perfusion 62 bioavailable testosterone 62 #OHD levels 62 atherogenic dyslipidemia 62 colorectal adenoma 62 transcranial 62 serum homocysteine 62 serum potassium 62 albumin excretion 62 glycated hemoglobin 62 elevated ALT 62 iPTH 62 triglyceride concentrations 62 exhaled nitric oxide eNO 62 coronary stenosis 62 electrophysiologic 62 #/#mmHg 62 specific antigen PSA 61 eosinophil count 61 myocardial viability 61 Electroencephalography EEG 61 serum sodium levels 61 A1c levels 61 binary restenosis 61 apnea hypopnea index 61 interobserver agreement 61 diastolic pressures 61 pretest probability 61 Pharmacokinetic parameters 61 HbA1c levels 61 ventricular tachyarrhythmia 61 IOP lowering 61 serum prostate 61 cardiac troponin T 61 glomerular filtration 61 ARB telmisartan 61 fasting glucose levels 61 C Reactive Protein 61 cTnI 61 thyrotropin levels 61 serum IgE 61 oxyhemoglobin 61 corneal thickness 61 β blockers 61 postoperative complication 61 brachial artery flow 61 #mmHg [002] 61 cTnT 61 carboxyhemoglobin SpCO 61 plasma creatinine 61 airway hyperresponsiveness 61 serum parathyroid hormone 61 hsCRP levels 61 d dimer 61 patients undergoing CABG 61 abdominal circumference 61 asymptomatic carotid stenosis 61 oxygen desaturation 61 prolonged QT interval 61 Coronary artery calcium 61 atrioventricular block 61 Hb A1C 61 systolic dysfunction 61 computed tomography angiography 61 hyperphenylalaninemia HPA due 61 neurocognitive outcomes 61 SpCO 61 skin sterol 61 pmol L 61 NNT = 61 adenotonsillectomy 61 urinary albumin 61 VerifyNow 61 SpO2 61 airflow obstruction 61 bispectral index 61 gauge vitrectomy 61 fasting plasma glucose FPG 61 Tasigna prolongs 61 Fibromyalgia Impact Questionnaire 61 PSADT 60 plasma triglycerides 60 Score DAS# 60 serum HBV DNA 60 NSTE ACS 60 D dimer 60 underwent coronary angiography 60 SGOT 60 mediated dilation 60 clinically meaningful reductions 60 autonomic dysfunction 60 #dhTxB# 60 serum calcium levels 60 SGPT 60 neutrophil counts 60 Visual Analogue Scale VAS 60 8 OHdG 60 alanine aminotransferase 60 mmHg diastolic 60 atorvastatin #mg 60 foveal thickness 60 NYHA functional class 60 inflammatory biomarkers 60 plasma cortisol 60 symptomatic intracranial 60 cystoscopic 60 antiarrhythmic drug 60 transaminases 60 coronary calcification 60 hsCRP 60 Insulin sensitivity 60 apolipoprotein B 60 lactate dehydrogenase 60 vascular reactivity 60 Symptom severity 60 postintervention 60 peak VO2 60 QTcF 60 perfusion defects 60 methemoglobin SpMet 60 carotid intima media 60 isoprostane 60 methacholine challenge 60 plasma leptin 60 inhaled iloprost 60 nondiabetic patients 60 thickness IMT 60 estimated GFR 60 serum thyroglobulin 60 abdominal adiposity 60 Fasting blood glucose 60 serum glucose 60 visceral adiposity 60 salivary flow 60 preintervention 60 upper gastrointestinal bleeding 60 fibrin deposition 60 dose Iluvien 60 hypopneas 60 RBP4 levels 60 waist circumference WC 60 Cystatin C 60 #.#/#.# mmHg [001] 60 SGRQ 60 intravascular hemolysis 60 systolic blood pressures 60 guided percutaneous 60 nonfasting triglyceride levels 60 NAVISTAR R 60 baseline FEV 60 transabdominal 60 serum bicarbonate 60 Serum creatinine 60 FDG uptake 60 SUVmax 60 thyroglobulin 60 cinacalcet 60 Transurethral 60 creatinine levels 60 plasma renin 60 Prostate Specific Antigen PSA 60 cardio respiratory fitness 60 PaO 2 60 fasting plasma glucose 60 macroalbuminuria 60 salmeterol fluticasone 59 advanced adenomas 59 urine NGAL 59 fluticasone salmeterol 59 μg dL 59 homocysteine concentrations 59 Elastography 59 quantitative coronary angiography 59 nonfasting triglycerides 59 reactive hyperemia 59 complete cytogenetic response 59 fructosamine 59 serum PTH 59 cardiac contractility 59 CP CPPS 59 myocardial uptake 59 blood oxygen saturation 59 elevated serum creatinine 59 blood oxygenation 59 urodynamic 59 erythrocyte sedimentation rate 59 antigen PSA levels 59 dyssynchrony 59 lowest tertile 59 timepoints 59 troponins 59 adiponectin levels 59 oxycodone CR 59 carotid plaque 59 cytochrome oxidase 59 intrathoracic impedance 59 hs CRP 59 treated nonsurgically 59 Bispectral Index 59 nicardipine 59 aspartate aminotransferase 59 hemoglobin A1C 59 Cotinine 59 serum vitamin D 59 serum creatinine levels 59 plasma pharmacokinetics 59 reduce serum phosphate 59 expiratory 59 Forced expiratory volume 59 lymphocyte count 59 serum ALT 59 HBV DNA levels 59 #mg dose [002] 59 artery elasticity 59 inotropic 59 LV ejection fraction 59 serum triglycerides 59 tirofiban 59 stratifying patients 59 fraction LVEF 59 serum calcium 59 dyspnoea 59 colesevelam HCl 59 interobserver 59 serum BDNF 59 T2 lesion volume 59 serum albumin 59 apnea hypopnea 59 physiologic parameters 59 EuroSCORE 59 Ambulatory Blood Pressure 59 inspiratory flow 59 PT INR 59 #.#mmHg 59 parasitemia 59 transcatheter closure 59 HER2 overexpression 59 diagnostic modality 59 creatine kinase 59 mechanically ventilated patients 59 thromboembolic 59 cerebral oximetry 59 hypopnea 59 ml min 59 Albuminuria 59 metabolic acidosis 59 leukocyte counts 59 obstructive CAD 59 haematologic 59 serum folate concentrations 59 axial length 59 Prostate specific antigen 59 PreDx DRS 59 serum LDL cholesterol 59 urate lowering therapy 59 morphometric vertebral fractures 59 cerebral oximeter 59 postoperative morbidity 59 hematological parameters 59 OGTT 59 oral antidiabetic drugs 59 Primary endpoints 59 orthostatic 59 UPDRS scores 59 serum clusterin levels 59 paricalcitol 59 arterial thromboembolism 59 Spirometry 59 statistical significance p 59 specific IgE 59 transcranial Doppler ultrasound 58 interstitial fluid 58 sUA 58 nasal symptom 58 transaminase levels 58 MMSE score 58 intracerebral haemorrhage 58 Carotid endarterectomy 58 Hemodynamic 58 serum lactate 58 tracer uptake 58 neurosensory 58 activated partial thromboplastin 58 TURBT 58 gastric cardia 58 postoperative AF 58 esophagogastroduodenoscopy 58 serum potassium levels 58 artery stenosis 58 elevated IOP 58 serum concentrations 58 blood Phe levels 58 DLQI 58 baroreflex sensitivity 58 QTc prolongation 58 fractional shortening 58 Fasting glucose 58 elevated creatinine 58 glycosylated hemoglobin 58 Glomerular filtration rate 58 pg mL 58 HRCT 58 creatinine ratio 58 glulisine 58 Echocardiographic 58 afterload 58 corneal curvature 58 Provent Therapy 58 interobserver reliability 58 infarct size 58 plasma homocysteine 58 PRADAXA #mg 58 tracheal intubation 58 NIHSS score 58 microvessel density 58 perioperative mortality 58 renal cysts 58 serum sodium 58 Creatinine 58 mg BID dose 58 electron beam computed tomography 58 ventilatory 58 transferrin saturation 58 carotid bruit 58 thrombus formation 58 hemoglobin concentrations 58 Severity MSCS score 58 Index CDAI 58 sputum eosinophils 58 mm Hg diastolic 58 bronchodilatory 58 multivariable analysis 58 BENICAR HCT 58 serum CRP 58 handgrip strength 58 sitosterol 58 hyperinsulinemic euglycemic clamp 58 T2 lesions 58 mL/min/#.# m2 58 glycemic variability 58 serum PSA 58 airflow limitation 58 cerebral perfusion 58 central adiposity 58 leucopenia 58 serum phosphorus 58 elevated homocysteine 58 HBeAg seroconversion 58 alanine transaminase 58 systemic hypotension 58 c reactive protein 58 severe exacerbations 58 Fractional Flow Reserve 58 expiratory flow 58 dose pravastatin 58 PD2i R 58 LDL triglycerides 58 Fluid retention 58 Severity Index PASI 58 StO2 58 urinary N telopeptide 58 deep venous thromboses 58 intermittent hemodialysis 58 periprocedural 58 chest radiographs 58 TMP SMX 58 Masimo PVI 58 nasal airflow 58 aortic pulse 58 non valvular atrial 58 induce orthostatic hypotension 58 symptomatic VTE 58 monophasic 58 Pulmonary artery 58 cardiac repolarization 58 blood lactate 58 peri procedural 58 fasting insulin 58 Psoriasis Area 58 cardiac troponin 58 Hypotension 58 Cardiopulmonary bypass 58 transthoracic 58 intrathoracic 58 transient elastography 58 Endothelial dysfunction 58 certolizumab 58 cardiac dysfunction 58 ALT elevation 58 bezafibrate 58 arteriography 58 steroid dexamethasone 58 FDG-PET/CT 58 SpO2 pulse rate 58 bivariate analysis 58 salivary cortisol 58 hyperglycaemia 58 SpMet 58 myocardial reperfusion 58 COHb 58 silent ischemia 58 QRS duration 58 F FDG PET 58 μg L 58 improves glycemic 58 glycaemia 58 microemboli 58 CCyR 58 anemia hemoglobin 58 aortic crossclamp 58 postprandial blood glucose 58 epididymal 58 extrapyramidal symptoms 58 malignant nodules 58 QRS interval 58 oesophagitis 58 epoetin alpha 58 triacylglycerol concentrations 58 HbA 1C 58 BENICAR 58 mIU L 58 hip BMD 58 intravascular ultrasonography 58 cystatin C 58 unresectable HCC 58 cardiac autonomic 58 hepatorenal syndrome 58 NSTEMI 58 lipoprotein Lp 58 aortic stiffness 58 plasma lipids 58 mL kg 58 renal artery stenosis 58 N telopeptide 58 SCIg 57 hemodynamic parameters 57 demonstrated clinically meaningful 57 DAS# CRP 57 μg liter 57 blood glucose concentrations 57 sub maximal 57 glucose insulin 57 carotid atherosclerosis 57 tipranavir r 57 CK # plasma concentrations 57 decompensated heart failure 57 Microstream R capnography 57 microdebrider 57 spine BMD 57 crossclamp 57 HDL triglycerides 57 ionotropic 57 KTP laser 57 thyrotropin 57 myocardial infarct size 57 left ventricular LV 57 tapentadol ER 57 ejection fraction EF 57 6MWD 57 tic severity 57 bFGF 57 hemorrhagic complications 57 Fasting plasma glucose 57 loop diuretics 57 Warfarin Coumadin 57 CDAI score 57 eosinophilia 57 subclinical atherosclerosis 57 Doppler echocardiography 57 Serum calcium 57 arteries dilate 57 abnormal glucose metabolism 57 paclitaxel eluting stents 57 postoperative hemorrhage 57 Index CDAI score 57 proton MR spectroscopy 57 autoregulation 57 urine excretion 57 A1C levels 57 intracranial stenosis 57 triglyceride concentration 57 breast abscesses 57 semiquantitative 57 arterial thromboembolic events 57 moderate renal impairment 57 baseline HbA1c 57 hyperalgesia 57 hypoperfusion 57 phototoxicity 57 virological response 57 hypercapnia 57 percutaneous biopsy 57 Viral load 57 pressure natriuresis 57 Pulse CO Oximeter 57 plantar pressures 57 Flow cytometry 57 rate variability HRV 57 Persistent Sleep 57 hyperprolactinemia 57 urinary albumin excretion 57 resynchronization therapy 57 prespecified secondary 57 aldosterone antagonist 57 intracoronary 57 intracranial hemorrhage ICH 57 stent stenosis 57 lispro 57 endometrial thickness 57 Platelet counts 57 Diastolic 57 lumbar spine BMD 57 renal biopsy 57 response CCyR 57 femtogram 57 Diastolic pressure 57 microalbumin 57 flow mediated dilation 57 residual platelet reactivity 57 Apidra ® 57 elevated fasting glucose 57 hemoglobin A1C HbA1C 57 hemoglobin concentration 57 electrical impedance 57 OBPM 57 statin monotherapy 57 dietary carbohydrate 57 mm Hg systolic 57 aspirin clopidogrel 57 oxygen saturations 57 Vasotrac 57 clinically meaningful improvement 57 endothelium dependent 57 antibody titer 57 ADAS Cog 57 serum cotinine 57 hypoglycemic events 57 hemoglobin hematocrit 57 statistically significant p = 57 EtCO2 57 ATACAND 57 ventricular repolarization 57 accelerometry 57 decrements 57 Erythropoietic therapies may 57 -#.# log# copies mL 57 Atrial fibrillation AF 57 tumor histology 57 PLX STROKE targeting 57 intestinal mucosal 57 hematologic parameters 57 CTEPH 57 rheumatoid factor 57 serum phosphate levels 57 creatine kinase CK 57 postdose 57 polyp detection 57 hemoglobin A1c 57 electroencephalograms 57 INVOS 57 Patency 57 angiotensin converting enzyme 57 non dispersive infrared 57 Hemoglobin A1c 57 non fasting triglycerides 57 atrial pacing 57 clinico pathological 57 calcified plaques 57 μg mL 57 intraoperative complications 57 thrombotic complications 57 femoral neck fracture 57 Apgar scores 57 P ≤ 57 depressive symptomatology 57 radioimmunoassay 57 carotid artery thickness 57 MS relapses 57 angiographic outcomes 57 Adenomas 57 graft occlusion 57 interleukin IL -6 57 #F FDG PET 57 sweat chloride 57 SERCA2a 57 CC genotype 57 digital subtraction angiography 57 nephrotoxicity 57 Hb A1c 57 CIN3 57 histologic subtype 57 FreeStyle Navigator 57 retinal thickness 57 CTAP# Capsules 57 nmol l 57 mucosal healing 57 hepatic enzyme 57 tertiles 57 intratympanic 57 inhibiting renin 57 pulmonary angiography 57 Score IPSS 57 leukocytosis 57 K DOQI 57 baseline LDH 57 submaximal exercise 57 Myocardial Infarction TIMI 57 pulmonary artery pressure 57 sensitivity specificity 57 Radiographic 57 adenoma recurrence 57 electrocardiographic 57 ghrelin concentrations 57 LAB CGRP 57 guaiac 57 LDB CPR 57 Exhaled Nitric Oxide 57 abdominal subcutaneous fat 57 parathyroidectomy 57 arterial stiffness 57 oral anticoagulation 57 metabolite concentrations 57 intravesical therapy 57 Afib 57 hepatic enzymes 57 electrocardiography ECG 56 Postoperative complications 56 overt nephropathy 56 rhinoconjunctivitis 56 serum IGF 56 peripheral insulin sensitivity 56 somatostatin analog 56 urate levels 56 lipid lowering agents 56 μmol L 56 elevated LDH 56 elevated transaminases 56 oral prednisolone 56 endotoxemia 56 Pulse Oximetry 56 extracorporeal circulation 56 elevated prolactin 56 thyroid hormone levels 56 dose ionizing radiation 56 somatosensory evoked potentials 56 PSA kinetics 56 serum ferritin 56 FDG PET imaging 56 pCR 56 vessel occlusion 56 serum testosterone 56 plasma HCV RNA 56 inhaled budesonide 56 inspiratory 56 macular thickness 56 prolactin elevation 56 Microalbuminuria 56 Ocular Surface Disease 56 MoxDuo TM IR 56 Thrombolysis 56 gastric carcinoma 56 silent myocardial ischemia 56 natriuresis 56 antiplatelet medication 56 exhaled carbon monoxide 56 symptomatic intracranial hemorrhage 56 myopathy rhabdomyolysis 56 overt hypothyroidism 56 magnesium intake 56 serum TSH 56 thrombus aspiration 56 Subgroup analyzes 56 cardioembolic stroke 56 systolic function 56 acetazolamide 56 #.#/#.# mm Hg [003] 56 glucose concentrations 56 serum triglyceride levels 56 spectrophotometric 56 radiotherapy RT 56 sUA levels 56 artery occlusion 56 HbA1c 56 nonobstructive CAD 56 Ejection fraction 56 fasting triglycerides 56 electroretinography 56 undetectable HBV DNA 56 lumbar disk herniation 56 malondialdehyde MDA 56 asthma exacerbation 56 unfractionated heparin UFH 56 undetectable viral 56 CIN2 + 56 hydroxyvitamin D levels 56 thyroid stimulating hormone 56 CHADS2 56 Pharmacodynamic 56 dietary nitrate 56 QT QTc 56 salmeterol fluticasone propionate 56 tHcy 56 deCODE AF TM 56 albumin creatinine ratio 56 troponin assay 56 underwent prostate biopsy 56 ertapenem 56 Biphasic 56 mm ³ 56 perfusion MRI 56 xanthine oxidase inhibitor 56 systolic diastolic 56 Homocysteine levels 56 hypericin 56 atheroma volume 56 Cronbach alpha 56 WOMAC pain 56 CVD mortality 56 luteinising hormone LH 56 SHBG levels 56 multivariable logistic regression 56 Coronary Artery Bypass Graft 56 bacteriuria 56 primary aldosteronism 56 BMD measurements 56 reintubation 56 NMR LipoProfile ® 56 sustained virological response 56 carotid artery intima media 56 Myoglobin 56 Insulin Therapy 56 HPA axis suppression 56 elevated CRP 56 contrast echocardiography 56 confidence intervals CIs 56 percutaneous transluminal coronary angioplasty 56 coagulation abnormalities 56 INVEGA ® 56 peptide BNP 56 posttreatment 56 #.#mg/dL 56 NATRECOR ® 56 multivariate regression analysis 56 prospectively stratified 56 thickness CIMT 56 chemoradiation therapy 56 LDL particle 56 EDSS scores 56 COR Analyzer 56 Parathyroid hormone 56 platelet dysfunction 56 reinfarction 56 serum retinol 56 Am J Cardiol 56 plasma renin activity 56 vitreous floaters 56 noninvasively measures 56 laser Doppler 56 Heart Rate Variability 56 mcg ml 56 paraprotein 56 Cardiac Output 56 Orthostatic hypotension 56 anticoagulant warfarin 56 detemir 56 intravitreal injections 56 quetiapine Seroquel 56 angioplasty stenting 56 DEXA scan 56 serum triglyceride 56 SPECT CT imaging 56 oxygenated hemoglobin 56 hypoxemia 56 natriuretic peptides 56 #.#ng/ml 56 lipid lowering medication 56 hepatic fat 56 nadolol 56 IL#B 56 EDSS score 56 pulmonary exacerbations 56 dose atorvastatin 56 macrovascular events 56 fasting blood glucose 56 carotid artery stenosis 56 distensibility 56 FFNS 56 lipid parameters 56 QVAR R 56 intermittent hypoxia 56 chloride secretion 56 tolterodine ER 56 multivariable analyzes 56 LAGB 56 impaired glucose metabolism 56 poor metabolizers 56 nocturnal hypoglycemia 56 electrophysiological 56 albuminuria 56 Alternans 56 ultrasonographic 56 hypocalcemia 56 abacavir lamivudine 56 OSAHS 56 DLCO 56 hippocampal atrophy 56 hepatic cirrhosis 56 mcg QD 56 MammaPrint R 56 normothermia 56 echocardiographic 56 DEXA scans 56 submaximal 56 oncologic outcomes 56 NPH insulin 56 Angiographic 56 CDAI 56 variceal hemorrhage 56 relapsed MM 56 subclinical hypothyroidism 56 cerebral somatic oximeter 56 nitrotyrosine 56 RNFL thickness 56 transesophageal 56 Ankle Brachial Index 56 nondiabetics 56 μg dl 56 focal ablation 56 ICD shocks 56 metabolic parameters 56 sinus tachycardia 56 microvolts 56 lipid elevations 56 RNFL 56 RECIST Response Evaluation Criteria 56 endoscopic ultrasonography 56 platelet inhibition 56 spherical aberrations 56 FluCAM arm 56 ACTOS ® 56 gestational hypertension 56 thyroid carcinoma 56 opacification 56 clinically meaningful improvements 56 airway responsiveness 56 CPAP adherence 56 Oral corticosteroids 56 serum insulin 56 nonsignificant 56 vertebrobasilar 56 endoscopic remission 56 bi ventricular pacing 56 haemodynamic 56 scintigraphic 56 IR Cysteamine 56 diastolic BP 56 NIHSS 56 CHD mortality 56 microvascular complications 56 rosuvastatin #mg 56 trough FEV1 56 sampling oscilloscope 56 IPAH 56 UA NSTEMI 56 cerebrovascular events 56 microampere 56 bronchial reactivity 56 Electroencephalography 56 conditional logistic regression 56 inhaled corticosteroid therapy 56 myocardial perfusion 56 diffusion coefficient 56 Scintigraphy 56 W/cm2 56 cortisol secretion 56 urinary BPA 56 obstructive coronary artery 56 Nd YAG lasers 56 methemoglobin 56 elevated uric acid 56 pulsatility index 56 coronary revascularization 56 dual endothelin receptor antagonist 56 revascularizations 56 Known hypersensitivity 56 STRIDE PD 56 needle electromyography procedures 56 p tau 56 hypotensive 56 hypertensives 56 carotid artery stenting CAS 56 myocardial fibrosis 56 Immunohistochemical staining 56 oxygen saturation 56 daily subcutaneous injections 56 stent binary restenosis 56 transesophageal echocardiography 56 IgG antibody 56 QT Prolongation 56 aortic regurgitation