Table 1.
Prior history of chest pain |
During chest pain: EKG is normal or with mild ST elevation or depression, or with terminal negative deflection of the T wave in V1 and V2 |
Cardiac enzymes are normal or mildly elevated |
No pathologic precordial Q-waves |
No loss of precordial R-waves |
Deeply inverted or biphasic T-waves in V2 and V3, possibly V1, V4, V5 and/or V6 when pain free |