what is the primary cause of the symptoms of polycythemia vera course hero

by Elta Grimes Sr. 3 min read

How does polycythemia vera affect the body?

It’s a blood cancer that begins in the marrow of your bones, the soft center where new blood cells grow. If you have polycythemia vera, your marrow makes too many red blood cells, which causes your blood to get too thick. That can make you more …

What causes polycythemia to develop?

SIGNS AND SYMPTOMS • Fatigue • Dizziness • Increase sweating • Redness in the face • Blurred vision • Itchiness (especially after a HOT shower) – due to increased basophils and mast cells Polycythemia vera occurs more often in men - Mutations (changes) to the JAK2 gene are the main cause of the disease.

What is primary polycythemia (PV)?

 · The excess red blood cells thicken the blood, slowing its flow which in turn may cause serious problems such as blood clots. The signs and symptoms of polycythemia includes dizziness, weakness, headaches, Shortness of breath and problems breathing while lying down, and feelings of pressure or fullness on the left side of the abdomen due to an enlarged spleen.

What are the symptoms of polycythemia?

Symptoms of polycythemia include symptoms related to excessive thickening of the blood, such as reddened face, bleeding of the gums, dizziness, and itchiness. Polycythemia can also affect the eyes and ears, leading to blurred vision or tinnitus. In more serious cases of polycythemia, thrombosis (clotting) can develop, ...

How common is polycythemia?

Polycythemia is more common in adults over 60 years of age, and about one in every 200,000 people is diagnosed each year with the condition (Source: NHLBI ). In the early stages of polycythemia, symptoms may be mild and include flushed face, dizziness, and impaired senses. In more severe cases, thrombosis (blood clotting) may occur, ...

What is the best way to reduce red blood cell count?

This can be performed by periodic blood draws to reduce red blood cell count. In some cases, medications may be administered to suppress the bone marrow and reduce blood cell counts, including hydroxyurea and interferon.

Can polycythemia be life threatening?

In some cases, the complications of polycythemia, including heart attack and stroke, can be life threatening. Seek immediate medical care (call 911) if you, or someone you are with, have any of these life-threatening symptoms including:

Can polycythemia cause difficulty breathing?

Polycythemia may also lead to less severe symptoms, such as difficulty breathing when lying down or excessive bleeding. Seek prompt medical care if these symptoms persist, as early diagnosis and intervention are critical to preventing more severe symptoms.

Can polycythemia cause heart problems?

While polycythemia is rare, generally treatable, and usually mild, serious complications such as heart attack or stroke can occur if left untreated. Seek immediate medical care (call 911) for any sudden symptoms of heart attack or stroke, such as sudden numbness, weakness, confusion, vision problems, or chest pain.

Does polycythemia cause blood thickening?

In secondary polycythemia, long-term oxygen deprivation, such as from chronic smoking or long periods spent at high altitudes, causes increased production of red blood cells and resultant blood thickening. This form of polycythemia often resolves once the cause of oxygen deprivation is addressed. In all cases of polycythemia, treatment by periodic blood draws or medications to reduce the number of blood cells is generally effective, although there is no cure for the condition.

How does determining the underlying type of polycythemia help doctors?

Determining the underlying type of polycythemia helps doctors know how best to treat or manage the issue. If treatment is possible, the person should make a full recovery.

What happens if you have polycythemia?

A person with polycythemia may experience headaches, dizziness, and excessive sweating.

What tests can show PV?

Blood tests. Blood tests , such as a complete blood count, will reveal any increase in red blood cells in the bloodstream, as well as any abnormal levels of platelets and white blood cells. If PV seems possible, a doctor will order more specific blood tests.

What is the color of the skin on the palms, earlobes, and nose?

reddish or purplish skin on the palms, earlobes, and nose

Is PV hereditary?

PV is not necessarily hereditary, and most people with the disease do not have a family history of PV. However, there appears to be a connection to a certain genetic mutation. The Leukemia & Lymphoma Society note that almost all individuals with PV have a mutation in the Janus kinase 2 ( JAK2) gene.

How old is PV?

The National Center for Advancing Translational Sciences note that most cases of PV appear as a person ages, usually around the age of 60 years. They also note that it is more common in men than in women. PV is not necessarily hereditary, and most people with the disease do not have a family history of PV.

What is PV in blood cancer?

PV is a rare, slow growing blood cancer that is a type of condition known as a myeloproliferative neoplasm. PV causes the bone marrow to create excess precursor blood cells that develop and function abnormally, leading to the production of too many red blood cells.

What are the different types of cerebral edema?

Understand the types of cerebral edema: vasogenic, ischemic, cytotoxic, and interstitial.

What is PKU in children?

Children with phenylketonuria (PKU) are unable to synthesize: ESSENTIAL AMINO ACID, PHENYLALANINE, TO TYROSINE. *PKU is an inborn error of metabolism characterized by the inability of the body to convert the essential amino acid, phenylalanine, to tyrosine. PKU does not affect synthesis of the other options.