The role of computed tomography angiography as initial imaging tool for acute hemorrhage in the head and neck.

Michael Travis Caton Nityanand P Miskin Jeffrey P Guenette

Published in: Emergency radiology (2020)

CTA has high specificity and reasonable sensitivity for detecting arterial source of bleeding in patients presenting with AHNH. Patients with negative CTA may avoid catheter angiography in most cases; however, false-negative CTA should not preclude angiography in high-risk patients.

Keyphrases

optical coherence tomography
end stage renal disease
computed tomography
ejection fraction
prognostic factors
coronary artery
peritoneal dialysis
magnetic resonance imaging
mass spectrometry
drug induced