A Predictive Study of the Dynamic Development of the P-Wave Terminal Force in Lead V1 in the Electrocardiogram in Relation to Long-Term Prognosis in Non-ST-Segment Elevation Acute Coronary Syndrome Patients during Hospitalization.

Background: Changes in the ECG indicator PtfV1 reflect left atrial pressure and left ventricular diastolic function in NSTE-ACS patients during hospitalization. The value of PtfV1 in the evaluation of long-term prognosis in NSTE-ACS is still not clear. The purpose of this study was to investigate the relationship between the dynamic changes in P-wave terminal force in lead V1(PtfV1) in the ECG of non-ST-segment elevation acute coronary syndrome (NSTE-ACS) patients during hospitalization and the long-term major adverse cardiovascular events (MACEs) of patients.