The Unmasking Effect: Propofol-Induced Brugada Pattern in a Critically Ill Patient

Table 2

Patterns of ST abnormalities in leads V1-V3.

Feature	Type 1	Type 2	Type 3
wave amplitude	≥2 mm	≥2 mm	≥2 mm
wave	Negative	Positive or biphasic	Negative, positive, or biphasic
ST-T configuration	Coved	Saddle-back	Coved or saddle-back
Terminal portion of ST segment	Gradually descending	Elevated ≥1 mm	Gradually descending or elevated ≥1 mm