O volume corpuscular médio (VCM) indica o volume médio das células vermelhas do sangue no corpo. Ele é frequentemente medido como parte dos índices de glóbulos vermelhos em um exame de hemograma completo. Os resultados dos índices de glóbulos vermelhos ajudam o profissional de saúde a determinar se há anemia e, em caso afirmativo, qual é o tipo de anemia.

O Volume Plaquetário Médio (MPV) é um cálculo que indica o tamanho médio das plaquetas no sangue. Essa medição é geralmente realizada como parte de um hemograma completo. Um MPV anormal, por si só, não é um indicativo de doença ou distúrbio. Os valores do MPV são comparados com outros tipos de contagens sanguíneas para fornecer ao profissional de saúde mais informações sobre possíveis condições médicas.

Drinking more fluids can help lower your risk of kidney stones. The goal is to increase the amount of urine that flows through your kidneys and also to lower the concentrations of substances that promote stone formation. While you can vary the types of beverages you drink, sugar-sweetened beverages (such as soda and sports drinks) actually seem to increase the risk of kidney stones; they have other negative health effects as well and should therefore be avoided.

Vomitoxin (aka Deoxynivalenol or DON), a tricothecene mycotoxin, is produced by several species of Fusarium. DON has been associated with outbreaks of acute gastrointestinal illness in humans. The FDA advisory level for DON for human consumption is 1 ppm.

Vomitoxin (aka Deoxynivalenol or DON), a tricothecene mycotoxin, is produced by several species of Fusarium. DON has been associated with outbreaks of acute gastrointestinal illness in humans. The FDA advisory level for DON for human consumption is 1 ppm.

A von Willebrand factor (vWF) activity – ristocetin cofactor test lets you evaluate the functioning of the protein vWF, which helps blood to clot. A clot is a lump of blood that the body produces to prevent excessive bleeding by sealing leaks from blood vessels caused by wounds, cuts, scratches, or other conditions.

The blood’s ability to clot is a complex process involving platelets (also called thrombocytes) and proteins called clotting factors. Platelets are oval-shaped cells made in the bone marrow. Most clotting factors are made in the liver. Some, like vWF, are made in blood vessel walls.

What Is a Von Willebrand Factor Antigen Test?

Von Willebrand factor is involved in a few stages of blood clotting.

Proteins called clotting factors are needed for blood to clot properly and help prevent too much bleeding. A von Willebrand factor (vWF) antigen test measures the amount of a clotting factor called von Willebrand factor.

The body's clotting factors work together in a special order, almost like pieces of a puzzle. When the last piece is in place, the clot develops. But if there aren't enough of them, or any of them don't work as they should, it can take longer than normal for blood to clot.

Normally, when a blood vessel is damaged and bleeding begins, VWF forms an adhesive bridge between activated cell fragments called platelets and the injury site. This is followed by the clumping (aggregation) of platelets at the site and a series of actions referred to as activation of the coagulation cascade, resulting in the formation of a stable blood clot.

The von Willebrand Factor (VWF) Activity/VWF Antigen Ratio is a critical laboratory marker used in the diagnosis and evaluation of von Willebrand disease (VWD), a bleeding disorder caused by a deficiency or dysfunction of von Willebrand factor, a protein essential for blood clotting. This ratio is particularly helpful in distinguishing between different types of VWD and in assessing the severity of the condition.

The von Willebrand Factor: Collagen Binding (vWF:CB) assay is a sophisticated laboratory test that plays a crucial role in evaluating the functional capacity of von Willebrand factor (vWF), a multimeric glycoprotein essential for primary hemostasis. This test specifically assesses vWF's ability to bind to collagen, a critical step in the initial phase of blood clot formation.

WA1, also known as Babesia duncani, has been associated with symptoms similar to those caused by Babesia microti. Little, if any, crossreactivity occurs between Babesia microti and WA1.

The marker "Waking Cortisol" is an essential indicator of adrenal gland function and stress response. Cortisol, often referred to as the "stress hormone," is produced by the adrenal cortex and plays a pivotal role in numerous physiological processes, including metabolism regulation, immune response modulation, and maintenance of blood pressure. Normally, cortisol levels follow a diurnal rhythm, peaking in the early morning shortly after waking (which is why the measurement of "Waking Cortisol" is significant) and gradually declining throughout the day. This peak is part of the body's natural preparation for the day ahead, known as the cortisol awakening response (CAR).

- Walnut is one of the most common causes of allergic reactions to tree nuts.

- Walnut allergy is potentially life-threatening, increasing in prevalence, and rarely outgrown.

- The estimated prevalence of walnut allergy in the general population is as high as 0.5% and in food allergic children as high as 4%.