Housecalls hero

September 2018 Puzzler
September  2018

A 43-year-old woman underwent thyroidectomy for a follicular cancer of thyroid. A few days later, she complained of muscle cramps in the back and sharp chest pain. She had no cardiovascular risk factors and no family history of sudden death. Her physical, BMI and vitals were within normal limits. An ECG was obtained. What does it reveal?


Click here to see the answer.