Table 4.

Error cases. Concepts are italicized.

1.	This was consistent with scar.
2.	Examination revealed an apicovaginal lesion consistent with recurrent tumor.
3.	Over the next several days the patient remained in the hospital to reassess for recurrent pleural effusion.
4.	When her pacemaker was in a sinus rhythm without a beta blocker, she had significant angina.
5.	The patient will have these symptoms when the eyes are closed.
6.	She could not walk a few yards without developing symptoms.
7.	A question of a SULFA allergy.