The nurse reviews the fоllоwing dоcumentаtion regаrding а client being evaluated in the clinic. Medical Record History of myocardial infarction and open-heart surgery Reports of chest pain that worsens when lying flat and improves when sitting up Echocardiogram shows accumulation of fluid around the heart and inflammation of the outer lining of the heart Based on this information, the nurse anticipates a diagnosis of [diagnosis] and treatment plan including [treatment].