Table 7.

CMR offerings to the PM/DM.

Cardiac manifestation	CMR utility	Sequences
What has CMR to offer in polymyositis/dermatomyositis?
Valvular heart disease	Assessment of hemodynamic significance. Reproducible follow-up.	Cine—SSFP, cine-FGE PhC, 4D-flow
Pulmonic hypertension	The severity and hemodynamic significance. Orientation to the potential etiology.	Cine—SSFP Real-time cine 4D-flow MRA
Myocardial edema	Identification and quantification Follow up	T2-W, T2-W-STIR T2-mapping
Myocarditis	Identification and quantification. Follow up free of radiation.	T2-W-STIR T1, T2-mapping, ECV LGE-PSIR
Myocardial inflammation	Identification and quantification. Follow up free of radiation.	T1-W pre, and post-Gd T1 mapping, ECV LGE-PSIR
RV dysfunction	The gold standard for RV function	Cine—SSFP Strain
LV dysfunction	The gold standard for LV function	Cine—SSFP Strain, diffusion tensor

SSFP, steady-state free precession; FGE, fast gradient echo; T2-W, T2-weighted; STIR, short tau inversion recovery; LGE, late gadolinium enhancement; PSIR, Phase-sensitive inversion recovery; ECV, extracellular volume; MRA, magnetic resonance angiography; Gd, gadolinium.