Intrathecal administration of an opioid provides excellent analgesia during the first stage of labor without causing a sympathetic blockade.
In the presence of a heave the heel of the hand is lifted off the chest wall with each systole.
Right ventricle has pyramidal shape, with inflow tract in the base, and anterior and posterior walls and convex interventricular septum form its sides.
Note the right sided structures tend to be anterior and left sided structures tend to be posterior.
Note the relatively smooth walled septal surface and the papillary muscle apparatus attached to the free wall side.
The patient is suffering from cardiac failure as a result of cardiomyopathy.