Hospital Acquired and Ventilator Associated Pneumonia Oncohema Key Gynecologic Oncology Postoperative Venous Thromboembolism Prophylaxis Guidelines Prisma Health Academics ASH Guidelines on Use of Anticoagulation in Patients with COVID 19 Hematology.org Health Care Associated Pneumonia Clinical Guidance Ventilator Associated Pneumonia (VAP) is a serious ICU risk but it can be prevented with the right care. Key risk factors: prolonged ventilation, poor oral hygiene, improper positioning, and contaminated equipment.