Cardiac output (CO) and stroke volume (SV) are physiological variables that reflect the efficiency of the heart pumping blood to all tissues of the body. Access to measure cardiac output by ...

The focal mechanism provides seismological constraints on the geological faults that generate the earthquakes and thus is important for regional seismotectonic research. Focal mechanism calculation ...

A total of 88 stroke patients and 91 control subjects were excluded because of absence of native P-waves on the ECG (eg, atrial fibrillation, pacemaker rhythm), leaving 146 stroke patients and 195 ...

biphasic: P waves having positive/negative and negative/positive deviation; isoelectric: P-wave deviation from baseline less than 0.05 mV. Other characteristics noted were: ...