<qa>  How much Lidocaine is a dose of?7. Transdermal preparation will be applied to ipsilateral wrist overlying radial pulse centered approximately 1 inch proximal to radial styloid process at least 60 minutes before procedure start time at a dose of 40mg 6 ribbons of 2 inches each of 5 Lidocaine and 30mg 8 ribbons of 2 inches each of 2 NitroglycerinePlacebo. 