Portal venous pressure is the blood pressure in the hepatic portal vein, and is normally between 5-10 mmHg. Raised portal venous pressure is termed portal...

Portal hypertension is defined as increased portal venous pressure, with a hepatic venous pressure gradient greater than 5 mmHg. Normal portal pressure...

hepatic portal system, one of three portal venous systems in the human body; the others being the hypophyseal and renal portal systems. The portal vein is...

lung disease. The portal venous pressure is the blood pressure in the portal vein. It is normally 5–10 mmHg Normally, the pressure in the pulmonary artery...

(unidirectional) venous valves to prevent backflow. In the lower limbs this is also aided by muscle pumps, also known as venous pumps that exert pressure on intramuscular...

venous disease, based on venous duplex ultrasound testing." Venous ulcers are wounds that are thought to occur due to improper functioning of venous valves...

hepatic portal system or portal venous system is the system of veins comprising the portal vein and its tributaries. The other portal venous systems in...

reduced pressure drop across the liver and a decreased portal venous pressure. Decreased portal venous pressure in turn lessens congestive pressures along...

include an increased portal venous pressure gradient and decreased hepatic blood flow. Biopsies of the stomach in patients with portal hypertensive gastropathy...

the United States. There are several types of vascular disease, including venous diseases, and arterial diseases, and signs and symptoms vary depending on...

Cerebral venous sinus thrombosis (CVST), cerebral venous and sinus thrombosis or cerebral venous thrombosis (CVT), is the presence of a blood clot in...

portocaval anastomosis. In portal hypertension, as in the case of cirrhosis of the liver, the anastomoses become congested and form venous dilatations. Such dilatation...

place central venous lines. Such a line may be inserted for several reasons, such as to accurately measure the central venous pressure or to administer...

develop more commonly during pregnancy. Occasionally they result from chronic venous insufficiency. Underlying causes include weak or damaged valves in the veins...

intravascular ultrasound, and ambulatory venous pressures, which provides a global assessment of venous competence. Venous plethysmography can assess for reflux...

in chronic PVT, also known as portal cavernoma, can cause an increase in the hepatic venous pressure gradient (portal hypertension) and increased blood...

peripheral venous compliance which may increase venous return, increase cardiac preload and, ultimately, cause diastolic dysfunction. Pulse pressure (the difference...

Venous thrombosis is the blockage of a vein caused by a thrombus (blood clot). A common form of venous thrombosis is deep vein thrombosis (DVT), when a...

pulmonary component of the second heart sound, and/or raised jugular venous pressure. A low-grade fever may be present, particularly if there is associated...

an embolus. Thrombosis may occur in veins (venous thrombosis) or in arteries (arterial thrombosis). Venous thrombosis (sometimes called DVT, deep vein...

also known as low blood pressure, is a cardiovascular condition characterized by abnormally reduced blood pressure. Blood pressure is the force of blood...

to portal hypertension (increased portal venous pressure), increased pressure of the splenic vein, and subsequent enlargement of the spleen. Portal hypertension...

insufficient venous return; the alternative name of varicose eczema comes from a common cause of this being varicose veins. Insufficient venous return results...

(34%) Progressive neurologic deficit (21%) May be caused by mass effect or venous dilatations. Presence and nature of the deficit depend on location of lesion...

slower-onset form of Budd–Chiari syndrome. This can be painless. A system of venous collaterals may form around the occlusion which may be seen on imaging as...

the venous circulation can cause cardiac problems by obstructing the pulmonary circulation or forming an air-lock which raises central venous pressure and...

stockings are elastic garments that apply a gradient of pressure to the lower limbs, reducing venous stasis and improving blood flow, still these stockings...

which in turn compromises venous return, resulting in decreased cardiac output and subsequent lowering of arterial pressure. For example, changing from...

Deep vein thrombosis (DVT) is a type of venous thrombosis involving the formation of a blood clot in a deep vein, most commonly in the legs or pelvis....

telangiectasia were caused by high venous pressure or "venous hypertension". However it is now understood that venous reflux disease is usually the cause...