Angina Ischemia Pericarditis 
Dr. Smith's ECG Blog
SEPTEMBER 5, 2024
This is a value typical for a large subacute MI, n ormal value 48 hours after myocardial infarction is associated with Post-Infarction Regional Pericarditis ( PIRP ). As already mentioned, this patient could have post-infarction regional pericarditis from a large completed MI. Sinus tachycardia has many potential causes. Hammill SC.
Dr. Smith's ECG Blog
JUNE 18, 2011
This rules out pericarditis, which essentially never has reciprocal ST depression. When flow is restored, wall motion may completely recover so that echocardiogram does not detect the previous ischemia. This is not pericarditis because: a. Pericarditis does not have reciprocal depression.
Dr. Smith's ECG Blog
MARCH 11, 2016
A middle-aged woman had intermittent angina for 48 hours, then onset of constant, crushing chest pain for 1.5 More likely, the patient had crescendo angina, with REVERSIBLE ischemia for 48 hours that only became potentially irreversible (STEMI) at that point in time. Myocardial Rupture and Postinfarction Pericarditis.
Dr. Smith's ECG Blog
JANUARY 28, 2012
The patient might be having cardiac ischemia, but if he is, it is unstable angina or non-STEMI, or perhaps he has not YET pseudonormalized, so serial ECGs may be important. Differential of peri-infarct pericardial fluid The differential includes 1) pericarditis with effusion or 2) hemopericardium.
Dr. Smith's ECG Blog
FEBRUARY 26, 2025
The exception is with postinfarction pericarditis , in which a completed transmural infarct results in inflammation of the subepicardial myocardium and STE in the distribution of the infarct, and which results in increased STE and large upright T-waves. These findings together are more commonly seen with pericarditis.
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