Laboratory findings revealed severe hypocalcemia (1.28 mmol/L [ref: 2.15–2.57 mmol/L]), normophosphatemia (1.36 mmol/L [ref: 0.94–1.55 mmol/L]), mild hypomagnesemia (0.62 mmol/L [ref: 0.74–0.99 mmol/L]), and a low intact PTH level (0.84 pmol/L [ref: 2.72–7.97 pmol/L]). Here, PTH is linked to Hypocalcemia.