Brain Natriuretic Peptide in Patients with Systolic Versus Diastolic Left Ventricular Dysfunction

The study aims to: {a} Determine utility of Cardiology BNP in the diagnosis of both systolic and diastolic left ventricular dysfunction. {b} Find out, if it is differentially increased in either one of them. {C} Fest its use as a marker for stratification of left ventricular dysfunction..