The goal of this observational study is to understand and describe the epidemiology of cardiogenic shock in Emilia Romagna with a specific focus on outcome stratified by aetiologies, sex and age. The main outcomes are: * Incidence of cardiogenic shock (CS) over the total CICU admissions, CS-related in-hospital mortality and length of hospitalization, stratified by aetiologies, sex and age * Epidemiology of patients admitted with CS, regarding age, gender, etiology and modality of presentation (acute or acute on chronic), echocardiographic and haemodynamic data, treatment strategy with inotropes and/or short-term MCS, cardiac arrest. This is an observational study without intervention. Patients will be treated according to current clinical practice, according to physician judgment and data sheets of each drug used according to clinical practice.