An atrial septal aneurysm (ASA) occurs when a bulge forms in the atrial septum, the membrane separating the heart's upper left and upper right chambers (atria). The atrial septum usually is relatively ...

The diagnosis of AF was based on the presence of atrial flutter or AF on ECGs from Framingham clinic visits, outside physician or hospital charts, or Holter reports adjudicated by at least two ...

AFib causes your heart to beat abnormally, which is a type of arrhythmia, but there are treatments that can help. Atrial fibrillation (AFib) is a problem with your heart's electrical activity.

Ying-Wei Chen, M.D.; Rong Bai, M.D.; Tao Lin, M.D.; Mohamed Salim, M.D.; Cai-Hua Sang, M.D.; De-Yong Long, M.D.; Rong-Hui Yu, M.D.; Ri-Bo Tang, M.D.; Xue-Yuan Guo, M ...

These variations are seen on the ECG as you breathe in and out. Atrial fibrillation (AFib) is an irregular heart rhythm that stems from changes to the heart’s tissue or electrical signaling. It is ...

A septal defect allows blood to flow back and forth between the right and left sides of the heart. “When there’s a hole in the heart, either at the atrial or ventricular level, the heart just can’t ...

In this issue of Circulation: Arrhythmia and Electro physiology, Rajagopalan et al 10 add to the growing evidence-base on this issue by performing a randomized, double-blind, placebo-controlled trial ...