horizontal heart


hor·i·zon·tal heart

description of the heart's electrical position; recognized in the electrocardiogram when the QRS in lead aVL resembles that in V6 and QRS in aVF resembles that in V1; also, loosely, when the electrical axis lies between -30° and +30°.

hor·i·zon·tal heart

(hōr'i-zon'tăl hahrt) Description of the heart's electrical position; recognized in the electrocardiogram when the electrical axis lies between -30 and +30 degrees.