Читать книгу Manual of Equine Anesthesia and Analgesia - Группа авторов - Страница 99

 Demonstrates the relationship between current (I), resistance (R), and voltage (V) in an electrical circuit and can be expressed in three ways:

 It can also be used to describe blood flow (cardiac output, Q), resistance (R), and pressure difference across vessels (∆) in the cardiovascular system.So blood flow is directly proportional to the pressure gradient across the vessel and inversely proportional to the resistance.The absolute pressure in the vessel is therefore less important than the ∆P across the vessel determining the flow.