Category: General Cardiology

Complete left bundle branch block has widening of the QRS complex to 120 ms or more. If LBBB pattern is seen with QRS width less than 120 ms,

Most of us think of myocardial infarction when pathological Q waves are seen on the ECG. But Q waves of different types can occur without myocardial infarction. Here

Interatrial block is not that common in the general population. In the Atherosclerosis Risk in Communities (ARIC) study involving 14,625 patients, interatrial block was detected in 0.5% at

In the frontal plane, QRST angle is the between the QRS vector and the ST- T wave vector. QRST angle is less than 90 degrees in females and