Figure 1From: Quantification of myocardial perfusion with self-gated cardiovascular magnetic resonance Acquisition schematic for gated and ungated. a) Schematic of a gated acquisition. The scanner starts acquisition with the detection of the R wave. However, even before the 4th slice is acquired, another R wave is detected. This is possible if for example the heartrate increases. b) Schematic of an ungated acquisition. The scanner ignores the trigger signal and does a continuous acquisition.Back to article page