100
removal of
What is ectomy
200
immediately
What is stat
200
study of
What is ology
300
stomach
What is gastr
300
not by mouth
What is NPO
400
eletrocardiogram
What is EKG
400
drug or chemical
What is chem
400
contractions
What is spasm
500
eletroencephalogram
What is EEG
500
bronchial tube
What is bronch
500
surgical opening
What is ostomy