The cardiovascular condition of pulmonary embolism is covered in great detail in this book. A serious and sometimes lethal cardiac condition known as a pulmonary embolism results from either partial or total blockage of the pulmonary artery bed. Significant progress has recently been made in the identification and treatment of this illness. This paper assesses the cardiopulmonary condition in light of recent developments. The risk factors for pulmonary emboli as well as a comprehensive list of systematic approaches to risk stratification management have been provided.