To identify the risk factors of the revisit of the adult HF patients in emergency department.

Because heart failure (HF) is the leading cause of hospitalization and readmission in many hospitals worldwide.

Identifying the risk factors of these HF patients in emergency department is the important reason for the proper management of the HF patients in the future. And can reduce number of hospitalization and readmission in our hospital.

Inclusion Criteria:

• Patients age from 18 years old
• Patients who were diagnosed HF by the Framingham's criteria10
• Patients who were discharged home from emergency department

Exclusion Criteria:

• Patients age less than 18 years old
• Patients who not met Framingham's criteria, needed hospital admission, were referred to other hospital, and death

Medical records of 533 patients,who visited the emergency department with the diagnosis of HF (ICD-10 I500, I501 and I509) in the period from 1st Jan 2008 to 31st Dec 2008, were reviewed.