Relationship between right atrium area and right ventricular ejection fraction on magnetic resonance imaging: comparison with other prognostic markers in patients with pulmonary arterial hypertension

Comparação da relação da área do átrio direito e fração de ejeção do ventrículo direito por ressonância magnética com outros marcadores prognósticos de pacientes com hipertensão arterial pulmonar

Marcelo M. Mello^1,2,a; Guilherme Watte^2,3,b; Stephan Altmayer^2,c; Yana L. R. Pallaoro^2,d; Fernanda B. Spilimbergo^1,e; Daniela C. Blanco^3,f; Gisela M. B. Meyer^1,g; Edson Marchiori^4,h; Bruno Hochhegger^2,i

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