This issue of Critical Care Clinics, guest edited by Drs. Geno Merli, Bharat Awsare, and Michael Baram, focuses on Pulmonary Embolism in the ICU. This is one of four issues each year selected by the series consulting editor, Dr. John Kellum. Articles in this issue include, but are not limited to: Making the Diagnosis of Pulmonary Embolism: Stable Versus Unstable; Risk Stratification; Overview of Management of Sub-massive and Massive Pulmonary Embolism; Standard Therapy: Systemic Thrombolytics; IR Therapy: IVC Filter and Catheter-based Therapies; Surgical Therapy: Embolectomy; Supportive Therapy: Management of Acute RV Failure; Supportive Therapy: ECMO/RVAD; Special Considerations; Therapy in Sub-populations; and Post-ICU Follow-up.