Conditions that can mimic infarction by producing either pathologic Q waves, ST segment elevation or loss of R wave height, in the absence of infarction, are listed below.

Condition	Pseudoinfarct location
WPW pattern	Any, most commonly infero-posterior
Hypertrophic cardiomyopathy	Lateral-apical (18%), inferior (11%)
LBBB	Anteroseptal, anterolateral, inferior
RBBB	Inferior, posterior, anterior
LVH	Anterior, inferior
LAFB	Anterior (may cause a tiny q in V2)
COPD	Inferior, posterior, anterior
RVH	Inferior, posterior, anterior, or apical
Acute cor pulmonale	Inferior, possibly anterior
Cardiomyopathy (non-ischemic)	Any, most commonly inferior (with IVCD pattern); less commonly anterior
Chest deformity	Any
Left pneumothorax	Anterior, anterolateral
Hyperkalemia	Any
Normal hearts	Posterior, anterior

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