This page lists all known medications that could potentially lead to 'QRS axis abnormal' as a side effect. It's important to note that mild side effects are quite common with medications. The ...

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 ...

The ECG findings of dextrocardia include a predominantly negative P wave (when sinus rhythm is present), negative QRS complex, and negative T wave in lead I. This results in a rightward QRS axis.

Although premature ventricular beats (PVBs) in young people and athletes are usually benign, they may rarely mark underlying heart disease and risk of sudden cardiac death during sport. This review ...

Bidirectional ventricular tachycardia occurs when the QRS axis alternates with every other beat. This is a pathognomonic rhythm during digoxin toxicity, however is relatively rare. The Brugada ...