RT Book, Section A1 Kiefer, Todd A2 Papadakis, Maxine A. A2 Rabow, Michael W. A2 McQuaid, Kenneth R. A2 Gandhi, Monica SR Print(0) ID 1209223508 T1 Pericardial Effusion & Tamponade T2 Current Medical Diagnosis & Treatment 2025 YR 2025 FD 2025 PB McGraw-Hill Education PP New York, NY SN 9781266266232 LK accessmedicine.mhmedical.com/content.aspx?aid=1209223508 RD 2024/11/06 AB ESSENTIALS OF DIAGNOSISPericardial effusionClinical impact determined by the speed of accumulation.May or may not cause pain.TamponadeTachycardia with an elevated JVP and either hypotension or a paradoxical pulse.Low voltage or electrical alternans on ECG.Echocardiography is diagnostic.