Several methods have been proposed to reach the ventricle by massage. They are all more or less dangerous, and we mention one of them only, for the completeness of the system.

Position

The patient is lying flat on his back, as described on page 37, Fig. 17.

1. The operator sits at his side, and quietly placing his right hand, with abducted thumb, about two inches below the ribs of the left side, he performs strokings and frictions of the organ, from left to right. Friction with the tips of the fingers is the most convenient form to use.

2. Kneading with the two thumbs may also be used, but the operator should always remember that he has to deal with very sensitive parts, consequently his pressure should be moderate. 3. Vibration with the tips of the fingers.