The RR interval is representative of the length of a ventricular cardiac cycle. In the context of an electrocardiogram, it ...

Coronary CT studies can be retrospectively gated (acquiring data throughout the cardiac cycle) or prospectively ... Uninterpretable ECG in a patient able to exercise and an intermediate pretest ...

This ECG 'variant' is relatively common and was ... during the cell's activation cycle. Cardiac action potentials are intracellular recordings of transmembrane voltage differences as a function ...