The clinical value of the apex beat as a marker of left atrial enlargement

The palpation of the apex beat, one of the most fundamental physical examinations, provides a clue to left ventricular (LV) dilatation and hypertrophy; however, its relation to left atrial (LA) volume has rarely been investigated.The clinical value of the apex beat, especially in relation to LA volume was studied in 138 consecutive patients. Patients were examined in the supine position for a palpable apex beat. When an apex beat was felt, the...