The PHAETHON study provided valuable insights into the epidemiology, management and outcome of ACS patients in Greece. Management of ACS resembles the management observed in other European countries. However, several issues still to be addressed by public authorities for the timely and proper management of ACS.

The Hellenic Heart Failure Association has undertaken the initiative to develop a national network of heart failure clinics (HFCs) and cardio‐oncology clinics (COCs). We conducted two questionnaire surveys among these clinics within 17 months and another during the coronavirus disease 2019 outbreak to assess adjustments of the developing network to the pandemic. Out of 68 HFCs comprising the network, 52 participated in the first survey and 55 in the second survey. The median number of patients assessed per week is 10. Changes in engaged personnel were encountered between the two surveys, along with increasing use of advanced echocardiographic techniques (23.1% in 2018 vs. 34.5% in 2020). Drawbacks were encountered, concerning magnetic resonance imaging and ergospirometry use (being available in 14.6% and 29% of HFCs, respectively), exercise rehabilitation programmes (applied only in 5.5%), and telemedicine applications (used in 16.4%). There are 13 COCs in the country with nine of them in the capital region; the median number of patients being assessed per week is 10. Platforms for virtual consultations and video calls are used in 38.5%. Coronavirus disease 2019 outbreak affected provision of HFC services dramatically as only 18.5% continued to function regularly, imposing hurdles that need to be addressed, at least temporarily, possibly by alternative methods of follow‐up such as remote consultation. The function of COCs, in contrast, seemed to be much less affected during the pandemic (77% of them continued to follow up their patients). This staged, survey‐based procedure may serve as a blueprint to help building national HFC/COC networks and provides the means to address changes during healthcare crises.

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We present the case of a patient with a hemangioma, a benign heart tumor, that is revealed incidentally during cardiac catheterization. The patient had coexisting coronary artery disease. This rare tumor remained unchanged in size, and the patient has been asymptomatic for a period of 20 years.

BackgroundCardiac involvement in patients with polymyositis is well-documented and includes myocarditis, coronary arteritis, pericarditis, valvular dysfunction and arrhythmias.Case reportThere are only few reports of acute myocarditis in patients with polymyositis and, although it usually follows a chronic, mild course, it may occasionally become life-threatening. We describe the case of a 36-year-old young woman suffering from polymyositis who presented with clinical signs and symptoms mimicking an ST Elevation Acute Coronary Syndrome. The atypical features of the pain, the young age of the woman, the lack of significant cardiovascular risk factors and the medical history of an autoimmune disease, led us to reconsider our initial diagnosis towards the presence of focal myocarditis.ConclusionWe describe our diagnostic approach and comment on our speculations and decisions about the treatment of such a life threatening event.

We present the case of a 66-year-old man with a history of coronary artery disease and chronic lymphocytic leukemia (CLL) who was admitted to the hospital complaining of chest discomfort and shortness of breath on exertion. The echocardiogram revealed a severe pericardial effusion and a large echogenic mass that infiltrated the lateral wall of the right atrium and ventricle and created a moderate tricuspid valve stenosis. B cell intracardiac non-Hodgkin lymphoma/CLL was diagnosed, and the patient was treated with six courses of CHOP chemotherapy. After the third course, the mass disappeared and the patient's general condition was substantially improved.

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