Table 3.

Investigations and results

	Case 1 [13]	Case 2 [14]	Case 3 [15]	Case 4 [16]	Case 5 [17]	Case 6 [18]	Case 7 [19]	Case 8 [20]	Case 9 [21]	Case 10 [22]
Electrocardiogram	Repolarisation changes in precordial leads	Sinus tachycardia	Non-specific intraventricular conduction delay	Diffuse ST segment elevation, ST segment depression and T-wave inversion in V1 and aVR	Sinus tachycardia	ST segment elevation, PR-segment depression, low voltages	N/A	ST segment elevation inferior leads	Left ventricular hypertrophy, diffuse T-wave inversions	Unremarkable
Cardiac echo	Normal systolic function, no pericardial effusion	Diffuse myocardial dyskinesia, left ventricular ejection fraction 32%, pulmonary artery hypertension (PAP 44 mmHg)	Severe left ventricular systolic dysfunction	Increased wall thickness, diffuse hypokinesis, LVEF 40%, pericardial effusion max. 11 mm	Moderate diffuse hypokinesis, LVEF 35–40%	Admission: concentric hypertrophy, moderate pericardial effusion, diminished intraventicular volumes with preserved LVEF 2 h after admission: biventricular failure and diffuse myocardial oedema	N/A	Enlarged heart, decreased ventricular systolic function, LVEF 27%, pericardial effusion 2 mm, increased cardiac chamber dimensions	Known left ventricular hypertrophy, normal systolic function	LVEF 47% after extubation
Cardiac CT	N/A	N/A	Myocardial hypertrophy, left ventricular subendocardial perfusion defect	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Cardiac MRI	Late subepicardial enhancement predominating in the inferior and lateral walls	N/A	Myocardial wall thickening and extensive transmural late gadolinium enhancement (LGE)	Increased wall thickness, diffuse biventricular hypokinesis, LVEF 35%, myocardial interstitial oedema, diffuse late gadolinium enhancement (LGE)	Diffuse bi-atrial and biventricular oedema, late gadolinium enhancement (LGE)	N/A	N/A	N/A	Subepicardial late gadolinium enhancement (LGE) of the apex and inferolateral wall	LVEF 42%, hypokinesia of the lateral wall, myocardial oedema, late gadolinium enhancement (LGE)