Table 1.

The resolutions achieved by different imaging modalities of the myocardium (Eugene Lin 2009)

Imaging modality	Spatial resolution full width at half maximum (FWHM)
Echocardiography	~ 0.5–2 mm
CT	0.5–0.625 mm
MRI	1–2 mm
PET	4–10 mm
SPECT	4–15 mm
Electron microscope	1–10 nm
Confocal microscope	5–50 nm