<qa>  What is the name of the nitroglycerine used after the vasod9. Verbal or nonverbal expression of discomfort in the forearm during cathetersheath manipulation - Absent:0; Present:1 ii. Difficulty in manipulating the catheter - Absent:0; Present:1 iii. Difficulty in sheath removal - Absent:0; Present:1 iv. Additional use of intraarterial nitroglycerine or verapamil after the initial vasodilator cocktail for suspected radial artery spasm - No:0; Yes:1 