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What is the PLT (Platelet) Count Blood Test?

What Is a PLT Count Blood Test?

Why Is PLT Count Needed?

When Should I Get the PLT Test?

What is the Procedure for the PLT Test?

How Should You Prepare for the PLT Test?

How is PLT Measured in Blood Tests?

How to Read Results of PLT in a Blood Test?

What Is a Normal PLT Count Range?

Normal Range Gender
150,000 - 450,000 platelets/µL Males
150,000 - 450,000 platelets/µL Females

However, individuals with a platelet count above 450,000 might suffer from thrombocytosis. On the other hand, individuals with a blood count of less than 150,000 might suffer from thrombocytopenia.

Range Status
< 150,000/µL Low
150,000 - 450,000/µL Normal
> 450,000/µL High

What Does It Mean If Your PLT Count Is High?

Symptoms of High PLT

Symptom Description
Shortness of Breath A person with higher PLTs may find breathing difficult, especially during exercise, since their blood cannot flow as effectively as before.
Weakness, Fatigue, or Dizziness Poor oxygen supply to organs due to a high platelet count causes weakness, persistent fatigue, and sometimes dizziness.
Bruising Easily A high PLT can make blood more prone to clotting irregularly, leading to easy bruising, even with minor bumps or injuries.
Excessive Bleeding From Small Cuts High PLT might cause abnormal clotting responses, resulting in bleeding from minor cuts, frequent nose bleeds, or bleeding gums.
Stroke High PLT can raise the risk of stroke due to the formation of clots that may obstruct blood flow to the brain.
Chest Pain This high thrombocyte count could result in clot buildup within arteries, resulting in chest pain because it restricts blood to the heart tissue.
Thrombosis (Causing Blood Clotting) There is a huge danger with high PLT that one can get thrombosis, the formation of unwanted blood clotting leading to fatal situations.
Leg Swelling Swollen feet often occur when deep vein clots, also called deep vein thrombosis (DVT), occur due to a raised platelet level.

What are the Causes of High PLT?

An increased platelet count signifies too much clotting in an individual’s blood vessels or might cause too much bleeding when platelets interfere with clotting. It could mean an individual might have these problems:

Cause Description
Infections In some cases, certain infections may lead to increased platelet production as part of the body’s response to inflammation and infection.
Might Cause Cancer Some tumours have been associated with increased platelet counts due to their direct effect on bone marrow.
Problems With Genes That Control Platelet Production Genetic malfunctions connected with platelet production can result in abnormal amounts – either too high numbers or insufficient ones.
Immune System Problems Disturbance in the normal regulation of platelets due to autoimmune diseases or other conditions will increase their numbers.
Chronic Inflammation Persistent inflammation from conditions like rheumatoid arthritis can stimulate excessive platelet production.
Hematologic Disorders Blood cell production, including platelets, is directly influenced by polycythemia vera or thrombocythemia.
Iron Deficiency Anaemia If you have anaemia due to iron deficiency, your bone marrow will make more platelets to compensate for the lost red blood cell count.
Recovery From Surgery or Trauma During healing after surgery or trauma, platelet count temporarily increases as part of the body’s response to injury.

What Does It Mean If Your PLT Count Is Low?

Symptoms of Low PLT

Recognising the signs of low platelet count is crucial for early diagnosis and intervention. Symptoms that an individual might see if they have a low platelet count are as follows:

Symptom Description
Severe Headaches Low levels of PLTs also cause headaches due to changes in brain pressure or internal bleeding.
Muscle or Joint Pain Low PLT also manifests as muscle or joint pain when tissues bleed internally, making them tender or swollen.
Weakness or Dizziness Reduced platelet levels can lead to poor blood circulation, causing weakness and occasional dizziness or lightheadedness.
Menorrhagia (Heavy Menstrual Bleeding) Women with low platelet counts may experience excessively heavy menstrual periods, increasing the risk of anaemia.
Blood In Urine, Bowel Movements, or Vomit The presence of blood in urine, stool, or vomit indicates bleeding in internal organs or gastrointestinal tract due to low platelets.
Bruising Easily Low platelet count impairs blood clotting, leading to easy bruising even from minor impacts or injuries.
Excessive Bleeding From Small Cuts Individuals with low platelets may experience prolonged bleeding from minor cuts, frequent nosebleeds, or bleeding gums.

What are the Causes of Low PLT?

Having a low platelet count can prevent an individual’s blood from clotting. A low PLT count could be the result of:

Cause Description
Enlarged Spleen An enlarged spleen can store away platelets, making them scarce in the bloodstream and causing low levels.
Severe Bleeding After an Injury If you have suffered significant blood loss due to injury, your body will produce fewer platelets.
Viral or Bacterial Infections Decreased production and increased destruction by infection lead to decreased counts.
Kidney Infection or Dysfunction Kidney disease disorganises production and regulation of platelets, thus resulting in reduced counts.
Cancer Such as Lymphoma or Leukaemia Certain types of cancer can affect platelets for these cells or even destroy them, thereby leading to low-level counts.
Heavy Alcohol Consumption Higher consumption of alcohol results in diminished platelets. As such, it affects blood formation through the bone marrow.
Haemolytic Uremic Syndrome Haemolytic uremic syndrome is a disease that destroys platelets and can lead to severe complications.
Thrombotic Thrombocytopenic Purpura Thrombotic thrombocytopenic purpura is a condition that forms blood clots in small blood vessels throughout an individual's body.
Immune Thrombocytopenia Immune thrombocytopenia is a condition caused by a low platelet count that causes bruising or spots of bleeding under the skin.
Bone Marrow Damage Bone marrow damage caused by cancer treatments like radiation therapy or chemotherapy.

That is all for PLT in a blood test that individuals need to know about. Having either a high platelet count or a low platelet count is hazardous for individuals. Thus, they are always advised to conduct a PLT test if they see any symptoms or signs.

What Steps to Take When PLT Levels Are Low or High in Blood?

FAQs about PLT Count in Blood Tests