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 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?
💡 Explanation
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?
✓ Correct Answer: D. 2.0 millivolts
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