A 60-year-old male was working on an electrical appliance when he shocked himself and became unresponsive. His wife tells you that while he was unresponsive, he was shaking all over. His only past medical history is hypertension. You observe full thickness burns to his right hand and both knees. His vital signs are P 82 and irregular, R 16, BP 168/78, and SpO2 is 94% on room air. Which of the above findings has the potential to be an immediate life threat?
a. Irregular heart rate (P 82 and irregular)
b. Low oxygen saturation (SpO2 is 94% on room air)
c. Full thickness burns to his right hand and both knees
d. Hypertension