[68Ga]Ga-PentixaFor PET/CT in Acute Myocardial Inflammation

Who May Qualify: - signed written willing to sign a consent form - male or female - age ≥ 18 years - patients with suspicion CS (group II) or ICIM (group III) or in their regular follow-up in their first year after HT (group I) - SOC clinical follow-up at the cardiology department in CHUV. Who Should NOT Join This Trial: The presence of any one of the following exclusion criteria will lead to exclusion of the participant: - absence of a signed written willing to sign a consent form - patients aged \< 18 years - claustrophobia - myocardial ischemia in non-invasive perfusion test or coronarography in group II and III - clinically unstable cardiovascular conditions, including: - clinically unstable brady-tachyarrhythmia - severe and symptomatic hypo- or hypertension with documented systolic blood pressure \< 90 mmHg or ≥220 mmHg respectively - cardiogenic shock. - women who are pregnant or breast feeding - intention to become pregnant during the course of the study in group II - previous enrolment into the current study - moderate to severe renal insufficiency (GFR \< 45 mL/min/1,73 m2), with contra-indication to the administration of Gadolinium in group II and III - enrollment of the investigator, his/her family members, employees and other dependent persons - history of any disease or relevant physical or psychiatric condition or abnormal physical finding which may interfere with the study objectives at the investigator judgment - insufficient knowledge of project language, inability to give consent or to follow procedures - the patient makes use of his/her "right not to know" and refuses to be informed about incidental findings Always talk to your doctor about whether this trial is right for you.