title: Implications of a prominent R wave in V1.
authors.affiliation: Rogan and O’Brien Cardiovascular Associates, Annandale, VA, USA.
authors.forename: Eric J
authors.initials: EJ
authors.lastname: Chan
authors.forename: Vijaiganesh
authors.initials: V
authors.lastname: Nagarajan
authors.forename: Donald A
authors.initials: DA
authors.lastname: Underwood
mesh_terms: D004562:Electrocardiography; D065627:Familial Primary Pulmonary Hypertension; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000150:complications / Q000175:diagnosis*; D017380:Hypertrophy, Right Ventricular / Q000175:diagnosis* / Q000209:etiology; D055815:Young Adult