ECG of the Month: Patient Awaiting Stem Cell Transplant Presents with Palpitations and Weak Spells
A 54-year old-woman with a history of myelodysplastic disease presents after radiation therapy for follicular lymphoma. She is awaiting stem cell transplant and is bothered by palpitations and weak spells. Her echocardiogram shows normal ventricular function. An electrocardiogram (ECG) is performed (Figure 1).
The ECG shows which of the following?