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Right bundle branch block: a source of error in the Doppler assessment of right ventricular pressure in patients with
1Department of Pediatrics, Dalhousie University, Halifax, Nova Scotia.
The Canadian Journal of Cardiology
|October 21, 1998
Abstract:
A case is presented in which low right ventricular pressure was calculated erroneously from the Doppler-derived velocity of flow through a ventricular septal defect. This is thought to be due to the presence of right bundle branch block. Reasons for this error and a way to avoid errors in calculation are discussed.