Pulse Pressure The difference between systolic & diastolic blood pressure Pulse Pressure = Systolic - DiastolicNormal: 30 - 40 mmHg A typical range for healthy adults, though this can extend to 50 mmHg depending on age and fitness.Narrow: 40 mmHg Common in states of increased cardiac output or vascular changes:Septic Shock (early hyperdynamic phase)Pregnancy (due to increased cardiac output)Increased ICP (e.g., brain injury, Cushing reflex)Aortic Regurgitation (backflow into the heart)Aortic Dis