The electrocardiogram (ECG) shows a series of changes during the progression of acute pericarditis.
|
PR Segment
|
ST Segment
|
T Wave
|
Stage
|
|
depressed
|
elevated
|
upright
|
1
|
|
isoelectric
|
isoelectric
|
flat
|
2
|
|
isoelectric
|
isoelectric
|
inverted
|
3
|
|
isoelectric
|
isoelectric
|
upright
|
4
|
where:
• In Figure 7 (Hatem et al, 2001) the changes during Stage 1 are best seen in aVL, V4-V6.
