Hematocrit is the volume of red blood cells present in the blood. It is a crucial measure of the overall health of a person. Hematocrit levels that are too high or too low may indicate a specific medical condition that requires immediate attention.

Several factors can affect hematocrit levels, such as blood loss, dehydration, pregnancy, and kidney disease. It is important to know when to get hematocrit levels checked and what to expect from the test. In this article, we will discuss everything you need to know about hematocrit levels and what to expect from the test.

When Should You Get Your Hematocrit Levels Checked?

There are several reasons why a doctor may suggest getting your hematocrit levels checked. One of the most common reasons is to check for conditions that may affect red blood cells’ production or lifespan.

Some of the conditions that may require hematocrit level testing include:.

Anemia
Blood loss
Kidney disease
Leukemia

Low hematocrit levels can indicate anemia. Anemia is a condition that occurs when there are not enough red blood cells present in the blood. This condition can cause symptoms such as fatigue, shortness of breath, and weakness.

Hematocrit levels that are too high, on the other hand, can indicate a condition called polycythemia. Polycythemia is a condition that occurs when there are too many red blood cells present in the blood. This condition can cause symptoms such as headaches, dizziness, and shortness of breath.

In some cases, an individual may need to get their hematocrit levels checked as part of a routine physical examination. This can help catch any underlying medical conditions early and ensure they receive proper treatment.

Preparing for a Hematocrit Test

If your doctor suggests getting a hematocrit test, there are several things you will need to do to prepare for the test. Your doctor will likely provide you with specific instructions on how to prepare for the test, but some general guidelines include:.

Avoid strenuous physical activity the day before the test
Fast for 12 hours before the test
Avoid smoking and drinking alcohol before the test
Inform your doctor of any medications you are taking

It is essential to follow these guidelines and any specific instructions from your doctor to ensure accurate results.

What to Expect During a Hematocrit Test

Hematocrit testing is a simple blood test that typically takes just a few minutes to complete. The test involves drawing a small sample of blood from a vein in the arm. The blood is then sent to a laboratory for analysis.

There is very little risk associated with the test, and most individuals experience minimal discomfort. Some of the things you may experience during the test include:.

A slight pinch or prick when the needle is inserted
Mild discomfort or bruising at the puncture site
Dizziness or lightheadedness

After the test, you can resume your normal activities, and your doctor will likely follow up with you once the results are available.

Interpreting the Results of a Hematocrit Test

The results of a hematocrit test are measured as a percentage. The normal hematocrit level for men is 38.8% to 50%, while the normal hematocrit level for women is 34.9% to 44.5%.

Hematocrit levels can vary based on several factors, such as age, sex, and altitude.

If your hematocrit levels are too low, it may indicate an underlying condition that requires medical attention. This could be caused by conditions such as anemia, blood loss, or kidney disease.

Your doctor may recommend further blood tests or imaging tests to determine the underlying cause.

If your hematocrit levels are too high, it may indicate a condition called polycythemia. This condition can be caused by factors such as smoking, dehydration, or living at high altitudes.

Your doctor may recommend further tests to determine the underlying cause and develop a treatment plan.

The Takeaway

Hematocrit levels are an important measure of overall health. If you experience symptoms of anemia or polycythemia, your doctor may suggest getting your hematocrit levels checked.

The test is simple and involves drawing a small sample of blood from a vein in the arm. If your hematocrit levels are too low or too high, it may indicate an underlying medical condition that requires further evaluation and treatment.