what factors can affect blood pressure
â¢ As you go through this topic, keep in mind this flow chart, which outlines the factors affecting blood pressure: Factors Affecting Blood Pressure Peripheral Resistance Vessel Elasticity Blood Volume Cardiac Output Page 2. Goals â¢ To understand the factors that affect peripheral resistance, and therefore blood pressure. â¢ To understand how vessel elasticity, blood volume, and cardiac output affect blood pressure. Page 3. Sources of Peripheral Resistance â¢ One of the main factors that affects blood pressure is peripheral resistance.