Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
PTa segment
Introduction
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
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Cafer Zorkun, M.D., Ph.D. [2]