HI, An Endoscopy is performed with the patient in a mild sedative state with a scope that is placed gently down your throat (you don't know it is happening and have no pain). The Dr. usually a Gastroenterologist can examine and take pictures and biopsies is necessary.
Gook Luck
NANA of 8
Thanks scarlett I will lookup mamonetry
Not the same. Barium swallow you just swallow chalky stuff, no tube down throat. Still, not best test for motility. Need a manometry for that.