A 63 year old male is brought to the emergency department by…

A 63 year old male is brought to the emergency department by EMS complaining of severe headache that began suddenly during sexual intercourse. He has a history of HTN, NIDDM, and smoking. EMS has started an IV and reports vitals of; BP 206/110, HR 110, RR 22, SaO2 96% RA. During assessment the patient has a tonic clonic seizure. What is the first drug you would give?