Related by context. Frequent words. (Click for all words.) 76 electroencephalogram 69 EEGs 66 EEG 64 electrophysiological 63 polysomnography 63 electrocardiogram ECG 58 electrodes attached 58 fMRI 57 echocardiographic 57 neurophysiological 56 transcranial magnetic stimulation 55 nerve conduction 54 electrodes implanted 54 oxygen saturation 53 Radiographic 53 electrocardiogram 53 electrocardiograms 52 imaging fMRI 52 oximetry 52 functional magnetic resonance 51 computerized tomography 51 brainwaves 51 brain scans 51 sonographic 51 motor cortex 51 single photon emission 51 fMRI scans 51 neuronal activity 51 microelectrodes 50 cerebellar 50 nerve stimulation 50 echocardiogram 50 QT interval 50 EKG 50 diffusion tensor imaging 50 magnetic pulses 50 brachial artery 49 pulse oximeter 49 neuroimaging 49 intravascular ultrasound IVUS 49 rTMS 49 electrical stimulation 48 oxygen uptake 48 ECGs 48 physiologic 48 Postoperative 48 ankle brachial index 47 positron emission tomography 47 physiological responses 47 MRI scans 47 electrodes 47 electrical impulses 47 ECG 47 neurophysiology 47 hemodynamics 47 pulse generator 47 electrical currents 47 positron emission tomography PET 47 LVEF 47 DXA 47 auditory cortex 47 symptom severity 47 tomography 47 intravascular 47 electrical pulses 47 parietal cortex 46 systolic 46 frequency comb 46 MR imaging 46 Echocardiography 46 autonomic nervous system 46 fine needle aspiration 46 fasting insulin 46 ANOVA 46 brainstem 46 vasodilation 46 digital rectal examination 46 serotonergic 46 somatic 46 MDCT 46 echocardiography 46 arterial stiffness 46 intraoperative 46 voxel 46 neurostimulator 46 neural 46 medial prefrontal cortex 46 ADAS cog 46 neuropsychological testing 46 radiograph 46 hippocampal 46 ultrasonography 46 preoperatively 46 glomerular filtration rate 46 catheterization 45 ventricular tachycardia 45 cardiac dysfunction 45 noninvasively 45 fibrillation 45 PET scans 45 ultrasound exam