This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
A patient diagnosed with depression on treatment came to emergency with altered sensorium seizures, palpitations and ECG showing sinus tachycardia. How do you treat this patient? 
Select and explain. 
A. Aspirin + clopidogrel, B. IV Lorazepam, C. IV Sodium bicarbonate, D. IV Haloperidol
C: IV Sodium bicarbonate
Answer: C: IV Sodium bicarbonate 
Explanation: The above symptoms suggests of TCA toxicity in a patient of depression and NaHCO3 remains as the main stay of treating TCA toxicity and metabolic acidosis associated with it.