Diagnosis The conception ofIe Fever> 1 week in pts with structural heart diseases or heart operation The appearance or change of cardiac murmur Systematic embolism with no obvious cause Heart failure with no obvious causeDiagnosis The Conception of IE • Fever > 1 week in pts with structural heart diseases or heart operation • The appearance or change of cardiac murmur • Systematic embolism with no obvious cause • Heart failure with no obvious cause