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Phlebitis

Phlebitis Overview

Phlebitis (fle-BYE-tis) means inflammation of a vein. Thrombophlebitis is the term used when a blood clot in the vein causes the inflammation. Thrombophlebitis usually occurs in leg veins, but it may occur in an arm. The thrombus (clot) in the vein causes pain and irritation and may block blood flow in the veins. Phlebitis can occur in both the surface (superficial) or deep veins.

  • Superficial phlebitis affects veins on the skin surface. The condition is rarely serious and, with proper care, usually resolves rapidly. Sometimes people with superficial phlebitis also get deep vein thrombophlebitis, so a medical evaluation is necessary.

  • Deep vein thrombophlebitis affects the larger blood vessels deep in the legs. Blood clots (thrombi) can form, which may break off and travel to the lungs. This is a potentially life-threatening condition called pulmonary embolism.


Next: Phlebitis Causes »

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Phlebitis

Pulmonary Embolism Overview

A pulmonary embolism (PE) is a blood clot in the lung. It usually comes from smaller vessels in the leg, pelvis, arms, or heart. When a clot forms in the legs or arms, it is referred to as a deep venous thrombosis (DVT).

The clot travels through the vessels of the lung continuing to reach smaller vessels until it becomes wedged in a vessel that is too small to allow it to continue farther. The clot gets wedged and prevents any further blood from traveling to that section of the lung.

When no blood reaches a section of the lung, that portion of the lung suffers an infarct, meaning it dies because no blood or oxygen is reaching it. This is referred to as a pulmonary (or lung) infarct.

Pulmonary Embolism Causes

Several factors can make someone more likely to develop a blood clot that can eventually break loose and travel to the lung.

  • Immobilization: A stroke, broken bone, or ...

Read the Pulmonary Embolism article »



Read What Your Physician is Reading on eMedicine

Thrombophelbitis, Septic »

The clinical course and severity of septic thrombophlebitis are quite variable.

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