Diagnostic modalities on presentation to the emergency room (CT abd/pelvis, CT of the abdomen and pelvis with contrast; CT chest, CT of the chest with intravenous contrast; CT head, CT of the head without contrast; CCTA, computed cardiac tomographic angiogr... Diagnostic modalities on presentation to the emergency room (CT abd/pelvis, CT of the abdomen and pelvis with contrast; CT chest, CT of the chest with intravenous contrast; CT head, CT of the head without contrast; CCTA, computed cardiac tomographic angiograph; .MRI brain, MRI of the brain; TEE, transesophageal echocardiography; TTE, transthoracic echocardiography). Patricia Chavez et al. Open Heart 2015;2:e000257 ©2015 by British Cardiovascular Society