Left ventricular apical diseases

Insights into Imaging

Table 2 Relative merits of each non-invasive imaging technique for the assessment of hypertrophic cardiomyopathy (HCM)

Factor assessed	Echocar-diography^a	Multi-detector CT	MR imaging
LV volume	+++	++	++++
Ejection fraction	+++	+++	++++
LV filling pressure	+++	-	++
Dynamic obstruction	+++	+	+++
IschemialCFR	+	-	++
Tissue characterisation	++	+	++++

—The number of pluses indicates the relative usefulness of the modality. -= modality is not useful, CFR = coronary flow reserve, PA = pulmonary artery. ^aData in this column are from Nagueh and Mahmarian [7]. Table adapted from [3]