When electrical activity does not conduct through the His-Purkinje system, but instead travels from myocyte to myocyte, a longer time is necessary, and the QRS duration is widened. A widened QRS ...
A 76-year-old woman presents with a persistently rapid heart rate that she attributes to her pacemaker. What does the ECG show?
Ventricular tachycardia refers to a wide QRS complex heart rhythm — that is, a QRS duration beyond 120 milliseconds — originating in the ventricles at a rate of greater than 100 beats per minute.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback