A patient ingested some unknown substance and presented with myoclonic jerks seizures,tachycardia and hypotension.The ECG showed a heart rate of 120/minute with QRS interval of 0.16 seconds.The atrial blood revealed a ph of 7.25,PCO2 of 30 mmHg and HCO3 of 15mmol/L.The most likely cause of poisoning is ingesion of:

A patient ingested some unknown substance and presented with myoclonic

1.	A patient ingested some unknown substance and presented with myoclonic jerks seizures,tachycardia and hypotension.The ECG showed a heart rate of 120/minute with QRS interval of 0.16 seconds.The atrial blood revealed a ph of 7.25,PCO2 of 30 mmHg and HCO3 of 15mmol/L.The most likely cause of poisoning is ingesion of:
A.	amantia phalloides
B.	ethylene glycol
C.	imipramine
D.	phencyclidine
Answer» D. phencyclidine