Terms: Digital ECG (44,100), digital ekg (893), digital electrocardiogram (948), quantitative ecg (524), ecg analysis (122,000), digital ecgs (1,610),
Terms: ecg databases (1,020), ecg database (3,940), ecg recordings (101,000), signal archive (62,500), signal archives (2,290),
Boolean: ecg +millivolt (1,940), ecg +microvolt (15,300),
Terms: ecg waveforms (27,500), ecg waveform (48,400), 12 lead ecg (472,000),
Boolean: "ecg waveforms" +digital (13,100), ecg +"raw data" (61,500),
Terms: heart rate variation (27,800), heart rate variability (1,030,000), variable heart rate (1,660), normal cardiac cycle (2,040), heart rate oscillations (2,960),
Terms: ecg format (424), ecg formats (63), ecg monitor (142,000), beat annotations (5,080), beat annotation (804), interbeat interval (17,900), interbeat intervals (9,880), interbeat (42,800),
Terms: dicom waveforms (139), scp-ecg (2,720), openecg (7,680), long term st database (355), MIT-BIH arrhythmia database (2,940),
Terms: photrode (25), photrodes (16), optical voltage sensing (45), optical voltage (9,160),
Terms: physiological sensing (7,680), physiological sensors (28,800), physiological sensor (4,210), biopotential (59,300), biopotential detection (13),
ECG - 0.1 to 150 Hz, 0.1 to 2 millivolts
Photrodes for Physiological Sensing
PhysioBank Archive Index - The Long-Term ST Database - Chart-O-Matic (LTSTDB)