In the ICU, her pulse rate was 45 /min, with blood pressure of 100/70 mmHg and SpO2 of 96%. She was subsequently transferred to the intensive care unit (ICU). Her blood sugar was 60 mg/dl, and she was given 100 ml of 25% dextrose over 20 min. She was also administered a bolus of atropine. A 7.5 Fr endotracheal tube was immediately inserted and gastric lavage was performed with activated charcoal via gastric tube.
Relatives reported she had an episode of vomiting, followed by rigidity of limbs and a possible seizure. Pupils were equally reactive, and she had oliguria (urine output: 30 ml/h). She was drowsy, with a weak pulse, heart rate of 35 beats/min, systolic blood pressure of 85 mmHg, peripheral oxygen saturation (SpO 2) of 40%–50%, and bilateral basal crepitus. She was admitted to the emergency department in an unconscious, diaphoretic state, with frothing from the mouth and tongue biting.