2012	Diagnose of ALVC.
September 2020	Last episode of myocarditis (without neurological symptoms).
January 2021	Administration of boost dose of mRNA Covid-19 vaccine.
February 2021 (14 days after boost dose)	Admitted for chest pain, elevated hs-cTnI and neurological symptoms.
First 3 days of admission	Recurrent chest pain despite treatment with acetaminophen, metamizol and colchicine. Stable moderate left ventricular systolic dysfunction without signs of heart failure Moderate intensity myopathic pattern in ENG / EMG
Day 4 of admission	Patient refuses to initiate steroids due to past secondary effects Aspirin is started and progressively uptitrated
5–9 days after admission	Gradual improvement of symptoms. Decline of hs-cTnI levels. Complete resolutions of abnormalities in the follow-up ENG/EMG.
Day 10 after admission	Patient is discharged