Arterial Definitions
Flow of a liquid in which it travels smoothly in parallel layers.
What is laminar flow?
Excessive accumulation of fluid in cells, tissues, or cavities of the body.
What is edema?
_____ are the main source of resistance within the vascular system.
What are arterioles?
_____ are the capacitance vessels of the body.
In a supine patient, the hydrostatic pressure measured at the level of the knee will be _____.
What is 0 mmHg?
The stored or resting energy, in the vascular system, also known as the intravascular pressure.
What is potential energy?
The pressure within the vascular system because of the weight of a column of blood.
What is hydrostatic pressure?
The greatest impact to blood flow is the _____ of a blood vessel.
What is radius?
The hydrostatic pressure measured at the level of the head is _____.
What is -30 mmHg?
The energy of work or motion, in the vascular system, is in part represented by the velocity of blood flow.
What is kinetic energy?
The pressure exerted on the walls of a vessel.
What is transmural pressure?
Pressure and velocity are most impacted _____ to a stenosis.
What is distal?
The ____ _______ ____ help move blood from the legs back to the heart in an efficient manner.
The hydrostatic pressure measured at the level of the waist will be _____.
What is 50mmHg?
The property of a fluid that resists the force of flow.
What is viscosity?
Retrograde flow across a venous valve of an abnormal duration.
What is valvular insufficiency?
The higher the viscosity, the ____ the resistance to flow.
What is higher?
_____ varicose veins are associated with prior deep venous thrombosis.
What is secondary?
The hydrostatic pressure measured at the ankle is ____.
What is 100 mmHg?
Causes blood in the vascular system to move from one point to the next.
What are pressure gradients?
When the limb is manually compressed by the probe or by sonographer.
What is Augmentation?
Turbulence occurs when the Reynold's number meets or exceeds _____.
What is 2000?
What is decreases?
The hydrostatic pressure measured at the level of the heart is ____.
What is 0 mmHg?