OBJECTIVE
To define patients with left atrial mechanical failure and identify its echocardiographic, physiological, and clinical associations.
DESIGN
Prospective study with cross sectionally guided M mode and Doppler echocardiograms, and with apexcardiograms, electrocardiograms, and phonocardiograms.
SETTING
Tertiary cardiac referral centre.
PATIENTS
10 patients with left atrial mechanica...