Hyperemia and congestion
What is hyperemia and its symptoms?
Hyperemia occurs when excess blood builds up inside the vascular system, which is the system of blood vessels in the body. When excess blood occurs outside the vascular system, due to a broken blood vessel or injury, this is known as hemorrhage. The buildup of blood may present as a red, warm, painful, swollen area.
What is blood congestion?
Passive hyperemia is when blood can't properly exit an organ, so it builds up in the blood vessels. This type of hyperemia is also known as congestion.
What hyperemia means?
Hyperemia is when your blood adjusts to support different tissues throughout your body. It can be caused by a variety of conditions. There are two types of hyperemia: active and passive. Active hyperemia is quite common and not a medical concern. Passive hyperemia is usually caused by disease and is more serious.
What is congestion pathology?
Congestion is a pathological term referring to reduced blood flow out from tissues, which may be localized or systemic 1.
What is the cause of hyperemia?
Hyperemia is the increase of blood to your organs. There are two types of hyperemia. The causes of hyperemia include exercise, digestion, fever, hot flashes, injury and infection, heart failure, and thrombosis. Hyperemia is the increase of blood to your organs.
Why congestion is passive process?
Hyperemia 2-CONGESTION: Congestion is a passive process resulting from impaired outflow of blood in a tissue. It occurs systemically as in cardiac failure or locally as in isolated venous obstruction. Affected tissue appears blue-red due to accumulation of deoxygenated blood.
How is lung congestion created?
lung congestion, distention of blood vessels in the lungs and filling of the alveoli with blood as a result of an infection, high blood pressure, or cardiac insufficiencies (i.e., inability of the heart to function adequately).