PTa segment



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Overview
The PTa segment is the part between the P wave and the Q. The PTa segment is sometimes called PTA (P - atrial T) segment or PR or PQ or PTp (P - T wave of P wave) segment. ABILDSKOV JA. The atrial complex of the electrocardiogram. Am Heart J 1959 Jun; 57(6) 930-41. pmid:13649561. PubMed HubMed.

It can be depressed in pericarditis or atrial myocardial infarction.