Research Article

Prolonged P Wave Peak Time May Be a Sign of LV Diastolic Dysfunction in the Coronary Slow Flow Phenomenon

Table 2

Angiographic and electrocardiographic findings of groups.

ParametersCSFP (n = 90)NCF (n = 105) value

QT; ms385 ± 36377 ± 270.06
QTc; ms409 ± 29408 ± 220.76
PWDmax; ms121 ± 11103 ± 12<0.001
PWDmın; ms80 ± 1474 ± 110.002
PWdısp; ms40 ± 1129 ± 9<0.001
PW morphology in lead Vı
Negative; n (%)25 (25.8%)24 (23.3%)
Positive; n (%)29 (29.9%)35 (34%)0.81
Biphasic; n (%)43 (44.3%)44 (42.7%)
PWTF in lead VI; mm xms38 ± 728 ± 8<0.001
PWPT VI; ms51 ± 1439 ± 9<0.001
PWPT DII; ms61 ± 948 ± 7<0.001
TIMI-frame LAD37.1 ± 5.021.1 ± 1.7<0.001
TIMI-frame CX26.7 ± 2.918.1 ± 1.6<0.001
TIMI-frame RCA25.1 ± 2.916.4 ± 1.8<0.001
Mean frame count27.2 ± 319.7 ± 2.0<0.001

Values are mean ± SD; bold values are statistically significant (). CSFP, coronary slow flow phenomenon; NCF, normal coronary flow PWD, wave duration; PWdısp, wave dispersion; PWTF, wave terminal force; PWPT, wave peak time; QTc; corrected QT; TIMI, thrombolysis in myocardial infarction.