This term can be confusing, as not all ECG leads contain all three of these ... A QRS duration of greater than 0.12 seconds is considered abnormal. The QRS duration will lengthen when electrical ...

Left ventricular hypertrophy (LVH) is an abnormal thickening of the ... include increased amplitude of the QRS complex. The most commonly used ECG criteria to diagnosed left ventricular ...

The electrocardiogram showed a short PR interval and a prolonged QRS complex. Case 7 ... alteration from abnormal to normal or from normal to abnormal patterns induced by drugs known to act ...

Studies investigating QRS-complex abnormalities in association ... of suspected cardiac electrophysiologic abnormality, abnormal electrocardiogram parameters and rhythm disturbances.

The presence of high QRS voltages that fulfil voltage criteria for left or ... in athletes with a markedly abnormal ECG, specifically an ECG with deep (>−0.2 mV) TWI and ST segment depression in the ...

Conclusions Providing standised criteria to assist ECG interpretation in athletes significantly improves the ability to accurately distinguish normal from abnormal findings across ... and isolated ...

Figure 2: An ECG obtained from a beagle dog 21 days later, showing six rhythm strips simultaneously (leads I, II, III, aVR, aVL and aVF). VPCs are the most frequent type of abnormal rhythm in dogs ...