PTa segment
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]
Overview
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.
Below is an image of EKG depicting overt PTa depression in a patient with pericarditis.
Sources
Sources
Copyleft images obtained courtesy of ECGpedia, http://en.ecgpedia.org/index.php?title=Special:NewFiles&dir=prev&offset=20080806182927&limit=500
Looking for the patient version?
© 2026 MyEClinic – IFTM Institut für Telematik in der Medizin GmbH