Bidirectional ventricular tachycardia is quite rare, but pathognomonic for digoxin toxicity. This ECG has two distinct QRS morphologies alternating every other beat. The QRS complex duration is ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact customerservice@slackinc.com. Here is a classic ECG case not usually caught on a ...

This ECG (Figure 1), recorded in the emergency room, shows a wide complex tachycardia at 205 bpm. Wide complex tachycardias are more likely to be ventricular tachycardia (VT) than supraventricular ...

There are clearly extra QRS complexes that are of different morphology compared to the QRS complexes with preceding p waves, ie, the sinus beats. The extra QRS complexes are broader and bigger ...

Q: I was feeling lightheaded and having palpitations, went to the ER and was admitted to the ICU. They said I had a run of ventricular tachycardia. What is this? A: The heartbeat is controlled by ...

Background A 68-year-old man diagnosed with primary plasma-cell leukemia was given thalidomide maintenance treatment for his disease. He had previously failed induction therapy with cyclophosphamide, ...