The QRS complex is positive in lead I and negative in lead II and also negative in lead aVF – indicating left axis deviation TIP When you see RBBB always look for 1 st degree heart block and/or left ...

There is clearly a broad QRS complex which is predominantly positive in V1 indicative of RBBB. You can also see an RSR pattern to the QRS complex in V1 reflective of the fact that the left ventricle ...

After 100 years, the 12-lead electrocardiogram (ECG) remains the most accessible and inexpensive noninvasive diagnostic and prognostic tool in cardiology. Almost every hospitalized patient will ...

An ECG can help the doctor determine whether the graphs indicate a heart attack or an acid attack from last night's dish. An electrocardiogram or ECG can help the doctor determine whether the graphs ...

A 46-year-old with a history of diabetes and hyperlipidemia has an irregular pulse during a routine exam. What does his ECG show?