Table 4.

Comparing T1, T2 and extracellular volume in patients with cardiac symptoms before and after COVID-19 vaccination

	Before 1st Vaccine Dose	After 2nd Vaccine Dose	p-value
Patients with chest pain (n = 15)
Global Native T1 Myocardium (msec)	1080 (1005–1101)	1039 (1007–1081)	0.520
Global Native T2 Myocardium (msec)	48.5 (44.5–51.2)	48.8 (46.5–52.1)	0.756
ECV Myocardium (%)	28.4 (26.4–32.3)	27.0 (24.6–31.1)	0.254
Patients with palpitations (n = 7)
Global Native T1 Myocardium (msec)	1086 (1044–1099)	1088 (1039–1139)	0.749
Global Native T2 Myocardium (msec)	53.1 (46.2–57.6)	46.7 (45.9–53.2)	0.338
ECV myocardium (%)	28.3 (26.4–31.9)	27.0 (24.6–32.5)	0.565
Patients with SOB (n = 11)
Global Native T1 Myocardium (msec)	1022 (979–1090)	1049 (998–1081)	0.533
Global Native T2 Myocardium (msec)	49.3 (46.6–53.1)	48.2 (46.5–52.7)	0.670
ECV Myocardium (%)	26.3 (22.3–28.6)	24.6 (22.6–28.7)	0.922

Variables are presented as median with interquartile range

ECV extracellular volume; SOB shortness of breath