The diagnosis is sinus rhythm with interpolated premature ventricular complexes, in a trigeminal pattern, with retrograde concealed conduction. The rhythm is irregular, but there is a repeating ...

Several points of convincing evidence in the upper strip indicate that the rhythm is VT. First, the beginning of the wide QRS tachycardia near the end of the strip is not preceded by a P wave, proving ...

What's the source of the unusual electrocardiogram (ECG) findings in a patient presenting with dizziness and limb weakness? That's the mystery posed in a recent case report. The diagnostic challenge ...

There are only a few sinus rhythm QRS complexes available to examine on this ECG. Using lead V1 an incomplete right bundle branch block is seen. A prolonged QT interval is present that extends all the ...

There is clearly a tachycardia with narrow QRS complexes indicating a supraventricular rhythm. The clues to the aetiology are the heart rate of almost exactly 150 / min and the saw tooth waves seen ...