Demographic, Clinical, Biological, Treatment Characteristics and Cardiovascular Events of Patients With Heart Failure in Vietnam: a Multicenter Prospective Observational Study

This large observational study in Vietnam is collecting real-world data on patients diagnosed with heart failure — a condition where the heart cannot pump blood effectively — to better understand how it is treated and what outcomes patients experience over time, including hospital readmissions and cardiovascular events. **You may be eligible if...** - You are 18 years or older - You have been diagnosed with heart failure at the time of your hospital discharge - Your heart's pumping function (ejection fraction) was measured during your hospital stay and was below 50% - You live in Vietnam after discharge and have a way to communicate (phone, computer, etc.) with healthcare staff **You may NOT be eligible if...** - You do not live in Vietnam after discharge - You have no means of staying in contact with the study team Talk to your doctor to see if this trial is right for you.