Four months later, he calls 911 due to sudden onset of weakness and pre-syncope. He is short of breath, diaphoretic and feels significant palpitations. He is afebrile with a blood pressure of 80/40 mm Hg, heart rate of 240 beats per minute, respirations 26 beats per minute and oxygen 88% on room air. His ECG is below:
Which of the following is the correct diagnosis?
A. Ventricular fibrillation
B. Monomorphic ventricular tachycardia
C. Polymorphic ventricular tachycardia
D. Wolff-Parkinson-White with pre-excitation and atrial fibrillation