Hemodynamic Effects of Bolus of Ketamine Versus Fentanyl in Patients With Septic Shock

100 mg of ketamine diluted in 10 mL saline (10 mg /mL) and patient will receive 0.1 mL/kg

100 mcg of fentanyl diluted in 10 mL saline (10 mcg /mL) and patient will receive 0.1 mL/kg