Inclusion Criteria:  1st time STEMI within 24 hours undergoing PPCI. (Chest pain > 30 minutes and ST segment elevation in more than one lead, include the definition of MI with a reference: Third universal definition of MI. (published at ESC Clinical Practice Guidelines 2012). LVEF less than 50%. eGFR ≥20 mL/min/1.73 m2.  Exclusion Criteria:  Patients less than 18 years old. T1D (Type I diabetes mellitus). Hemodynamically unstable. Cardiogenic shock (clinical syndrome of tissue hypoperfusion resulting from cardiac dysfunction). History of chronic symptomatic HF with a prior hHF within last year Patients on dialysis. Serious hypersensitivity to dapagliflozin (eg, anaphylaxis, angioedema). Pregnant or lactating women. Sever hepatic impairment.