A new study has linked prolonged P-wave duration to increased risk for sudden cardiac death (SCD), independent of cardiovascular risk factors and atrial fibrillation. 1 This suggests P-wave duration ...
There are two different rates that can be determined on an ECG. The atrial rate is indicated by the frequency of the P waves. The ventricular rate is indicated by the frequency of the QRS complexes.
(a) Schematic illustration of a Ti/LaAlO3/KTaO3 device. (b) Tunneling spectra of a device with a weak tunneling barrier at T = 0.5 K under different gate voltages. Inset: Zoom in on the left peaks. (c ...
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