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  • spontaneous
  • Association of Thromboembolic Risk Score with Left Atrial Thrombus and Spontaneous Echocardiographic Contrast in Non-Anticoagulated Nonvalvular Atrial Fibrillation Patients. (bioportfolio.com)
  • The aim of the study was to examine the association of CHADS2/CHA2DS2-VASc scores with left atrial thrombus (LAT) and spontaneous echocardiographic contrast (SEC) in non-anticoagulated nonvalvular atr. (bioportfolio.com)
  • Causes
  • The impulse is conducted to the top chambers (atria) which causes them to contract, pushing your blood into the lower chambers (ventricles), causing them to contract. (bupa.com.hk)