DR SULAIMAN KHAN; DR LATIF ULLAH; DR MUHAMMAD WASEEM HUSSAIN. DIAGNOSTIC ACCURACY OF PROLONGED QRS COMPLEXES > 140MS ON ECG AS A PREDICTOR OF LEFT VENTRICULAR SYSTOLIC DYSFUNCTION KEEP ECHOCARDIOGRAPHY AS A GOLD STANDARD. Journal of Population Therapeutics and Clinical Pharmacology, [S. l.], v. 32, n. 1, p. 1217–1222, 2025. DOI: 10.53555/wna5en54. Disponível em: https://jptcp.com/index.php/jptcp/article/view/9362. Acesso em: 17 sep. 2025.