Sinus tachycardia~t wave abnormality, consider inferior ischemia~abnormal ecg~when compared with ECG of 10-aug-2013 11:38, ~questionable change in qrs?

Non-specific. You need a stress test. It appears that you've had one. If it's been >1 year, it should be repeated now and done with an imaging modality such as echo or nuclear perfusion imaging. A resting ekg is a notoriously inaccurate test, especially in middle-aged women. (that's not sexism, it's science). There are many (most) false positives.