General Medicine General 42e2b1d7 A 65-year-old man had an ECG at a local emergency after a biking accident. His weight was 80 kg, and his blood pressure was 160/90 mm Hg. The QRS voltage was 0.5 millivolt in lead I and 1.5 millivolts in lead III. What is the QRS voltage in lead II? A 0.5 millivolt B 1.0 millivolt C 1.5 millivolts D 2.0 millivolts