Answer:
Cardiac Temponade
Explanation:
Cardiac temponade is the condition where the fluid fills the pericardial space and it reduces the filling of ventricles causing issues with contraction and destabilize the blood flow. The condition can get very serious and can cause shock and even death.
The nurse should instruct the client to not lift heavy objects, if lifting something he should have bend the body with his knees, correct his posture (poor posture causes pressure and can cause degenerated discs to become more painful), exercise the back muscles ( to provide support).