EM Cases Episode 82 Emergency Radiology Controversies, pearls and pitfalls: Which patients with chest pain suspected of ACS require a CXR? What CXR findings do ED docs tend to miss? How should we workup solitary pulmonary nodules found on CXR or CT? Is the abdominal x-ray dead or are there still indications for it's use? Which x-ray views are preferred for detecting pneumoperitoneum? When should we consider ultrasound as a screening test instead of, or before, CT? What are the indications for contrast in abdominal and head CT? How should we manage the patient who has had a previous CT contrast reaction who really needs a CT with contrast? What is the truth about CT radiation for shared decision making? And much more...