Li duo, Liu qi, Li fengjie, et al. The clinical value of P wave terminal force in lead V1 for the patients with heart failure[J]. 2015, 24(4): 274-277.
Li duo, Liu qi, Li fengjie, et al. The clinical value of P wave terminal force in lead V1 for the patients with heart failure[J]. 2015, 24(4): 274-277.DOI：
Objective To research the clinical value of P wave terminal force in lead V1( PtfV1) for the patients with heart failure. Methods 110 cases of heart failure patients and 100 healthy subjects enrolled in the study.Recording the PtfV1
LVEF
sex
age
nationality
etc of all the subjects. According to the New York Heart Association classification of cardiac function(NYHA)
the patients were divided into mild Group(NYHAⅠ- Ⅱ) and severe Groups(NYHA Ⅲ- Ⅳ). According to the decreased level of LVEF
the patients were divided into Slightly- decreasedlevel- group and Moderate- to- severe- decreased- level- group. Compared the differences of PtfV1 were found between the Groups
and then to analysis the correlation between PtfV1 and LVEF. Results 1 PtfV1 were obviously decreased in heart failure patients(p<0.05); 2 PtfV1 in Severe Group patients were significantly decreased than Mild Group(p<0.05); 3 PtfV1 in patients of LVEF Moderate- to- severe- decreased- level- group were obviously decreased than patients of LVEF Slightly- decreased- level- group. 4 PtfV1 and LVEF was significantly positively correlated
r=0.77
p<0.01. Conclusions PtfV1 is a clinical electrocardiology index to evaluate the severity of patients with heart failure.
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references
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