gr_calif
Forum Junior
Topics: 3
Posts: 51
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ECG findings in pericarditis.
These are divided into 4 stages
:arrow: Stage 1
Onset: Day 2-3
Duration: Up to 2 weeks
Diffuse concave upward ST segment elevation
ST segment depression in leads aVR or V1
Concordant T Wave changes
PR Segment depression in leads II, AVF, and V4-V6
:arrow: Stage 2
Duration: Days to several weeks
ST segment returns to baseline
T Wave flattens
:arrow: Stage 3
Duration: Several weeks
ST segment returns to baseline
T Wave inverts in leads II, AVF, and V4-V6
:arrow: Stage 4
Duration: Up to 3 months
Gradual resolution of T Wave inversion
.  The easiest way to remember these sequential changes is to conceptualize the four stages as follows:
Stage I
everything is UP (i.e., ST elevation in almost all leads , concave upwards- except avr v1 and 111)
Stage II
Transition ( i.e., "pseudonormalization").
Stage III
Everything is DOWN (inverted T waves).
Stage IV
Normalization.
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| usmleasr
Forum Guru
Topics: 105
Posts: 970
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:wink: great man i remembered ST segment elevation only
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| mistral92
Forum Senior
Topics: 4
Posts: 185
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[thanks gr_calif; you can find a microvoltage too...
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| gr_calif
Forum Junior
Topics: 3
Posts: 51
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THATS A BIT OF A DISCOURAGING HYPOCRYTIC STATEMENT MISTRAL92!
I WAS ONLY TRYING TO GIVE THE BEST POSSIBLE ANSWER WHICH WOULD HELP EVERYBODY! .I DO AGREE IT WAS A LITTLE MORE THAN U NEED TO KNOW, BUT STILL... 
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| mistral92
Forum Senior
Topics: 4
Posts: 185
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:lol:
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| uscan
Forum Senior
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Posts: 88
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Thanks gr_calif!
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