Hyperemic
Hyperemic
Hyperemic (pronounced: hi-per-ee-mic) is a medical term that refers to an increase in blood flow to different tissues in the body. The term is derived from the Greek words "hyper," meaning over or above, and "haima," meaning blood.
Definition
Hyperemia is a condition characterized by an excess of blood in the vessels supplying an organ or other part of the body. It is often a response to inflammation or infection, as the body increases blood flow to deliver immune cells and nutrients to the affected area.
Types of Hyperemia
There are two main types of hyperemia: active and passive.
- Active Hyperemia is a physiological response to increased metabolic activity. This can occur during exercise, when muscles require more oxygen and nutrients, or in response to inflammation, when the body needs to deliver immune cells to a specific area.
- Passive Hyperemia (also known as congestion) is a pathological condition where there is an increased blood volume in a body part due to obstruction of venous outflow. This can occur in conditions such as liver cirrhosis or heart failure.
Symptoms
The symptoms of hyperemia depend on the location and severity of the increased blood flow. Common symptoms can include redness, warmth, and swelling in the affected area.
Causes
Hyperemia can be caused by a variety of factors, including:
- Inflammation
- Infection
- Exercise
- Heat exposure
- Certain medical conditions, such as heart failure or liver cirrhosis
Treatment
Treatment for hyperemia typically involves addressing the underlying cause of the increased blood flow. This can include anti-inflammatory medications for inflammation, antibiotics for infection, or lifestyle changes and medications for conditions like heart failure or liver cirrhosis.
See Also
External links
- Medical encyclopedia article on Hyperemic
- Wikipedia's article - Hyperemic
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