Ultimate Guide to Low Carb Sweeteners | Blood Testing | Be Sure to Avoid These 3!!



Even if you’re a or a , getting a regular check-up just makes sense. What doesn’t always make sense is the baffling list of medical terms on the blood test results that are part of nearly all routine exams. Navigating through these terms can lead you down a Google rabbit hole. What the heck is bilirubin? And if you’re , could your heart be pumping too many basophils?

Apart from the puzzling jargon, the design of bloodwork lab reports is dismal. have been envisioned, but until they’re in use, we’re stuck deciphering highly technical and administrative-looking documents that make tax forms look like an ecard from mom.

But have no fear. You can become literate in your blood test results. Our guide isn’t a comprehensive glossary of technical terms, but it provides basic definitions and a better overall visual sense of how the information on a typical blood test report is presented and organized so you can interpret your blood work with confidence.

It’s in the Blood

First, let’s back up a bit and explain why blood work is so important. It’s helpful to think of your blood as both an oxygen delivery systemThe dual roles of red blood cells in tissue oxygen delivery: oxygen carriers and regulators of local blood flow. Jensen FB. The Journal of Experimental Biology. 2009 Nov.; 212 (Pt 21): 3387-93. doi: 10.1242.and a mechanism. Certain organs in the body, such as the liver, kidney, spleen, and lungs, act as processing stations. Normal values on a lab report basically indicate healthy organ function and that these systems are fully operational.

It’s important to note that values for a test that are out of range don’t necessarily indicate imminent disease. for each test are established by testing a large population of healthy individuals. However those ranges can be influenced by a host of factors for each individual, including age, sex, weight, medical history, medicines, and lifestyle. So what’s “” for you is best determined by your doctor.

Doctor Consult

Lab Result Organization, or Lack Thereof

For a routine check-up, a blood sample is usually examined with three main tests: a complete blood count, a comprehensive metabolic panel, and a lipid panel (or profile). These tests return a number of specific results. However instead of grouping the specific results under the three main tests, many reports simply present a single column of test results under “Test Name.” To better understand your lab report, it’s helpful to recognize the inter-relationship of the test results. Here are basic descriptions of the three major tests and results that are most commonly listed under each.

Complete Blood Count (CBC)

In many reports the initial list of items under the “Test Name” column show the results of the CBC, or complete blood count. The CBC focuses on the health of the three types of blood cells—red blood cells, white blood cells, and platelets—by measuring their amounts, size, and volume, plus a few other things. It’s a broad screening tool that helps your doctor identify infections and allergies, or diagnose potential diseases and conditions such as anemia and leukemia. Items that are commonly measured in the CBC include:

White Blood Cell (WBC)

Often the first CBC test shown is the White blood cell count. White blood cells, also called leukocytes, are a major component of the body’s immune system. Your body produces more WBCs when you have an infection or allergic reaction. There are five major types of WBCs (covered below), but many lab reports list the test results for each of these at the bottom of the CBC results.

Red Blood Cell (RBC)

often appear next on the report. RBCs deliver oxygen to tissues throughout the body. High RBC counts can be the result of dehydration, kidney problems, or a heart condition. Low RBC counts can indicate anemia, nutritional deficiency, bone marrow damage, or kidney problems. Smokers, grab your gum/carrot sticks/nicotine patches because here’s another : Smoking can significantly damage your RBCs.Effects of Cigarette Smoke, Nicotine and Cotinine on Red Blood Cell Hemolysis and Their -SH Capacity. Asgary S., Naderi, G.H., Ghannady A. Experimental and Clinical Cardiology. 2005 Summer; 10(2): 116–119

Hemoglobin, Hematocrit, Mean Corpuscular Value (MCV), Mean Corpuscular Hemoglobin (MCH)

These test results often appear under the RBC section because they further examine the health and function of your red blood cells. Hemoglobin is the protein in red blood cells that carries oxygen. It’s measured to help determine if your organs and tissues are receiving enough O2. Hematocrit results show the volume of blood taken up by red blood cells, which helps determine if you have too high or too low an RBC count. Blood cells are often referred to as corpuscles, so the mean corpuscular value measures the average size of red blood cells. A vitamin B12 deficiency or anemia may be indicated by abnormal-size RBCs. Mean corpuscular hemoglobin measures the average amount of hemoglobin inside red blood cells (sadly, for would-be Jedi it does not measure your ), and it’s often evaluated in association with the mean corpuscular hemoglobin concentration (MCHC), which measures the average percentage of hemoglobin in the red blood cells.

Blood Lab

Platelets and Mean Platelet Value (MPV)

These two tests usually appear next. Platelets are fragments of blood cells. They help wounds heal and prevent excessive bleeding by forming clots. Low platelet count (below 150,000 platelets per microliter, mcL) can indicate risk for excessive bleeding, while a high count (400,000 or above) may show a risk for blood clots. The mean platelet value test measures the average amount of platelets and can reveal subtle disorders when platelet counts are normal.Use of Mean Platelet Volume Improves Detection of Platelet Disorders. Bessman, J.D., Gilmer P.R., Gardner F.H. Blood Cells. 1985; 11(1):127-35.

Basophils, Eosinophils, Neutrophils, Lymphocytes, and Monocytes

Oddly, the results for the five types of white blood cells—basophils, eosinophils, neutrophils, lymphocytes, and monocytes—often appear below the list of red blood cell results. The amounts and the health of these cells are helpful in identifying infections and allergies. For example, neutrophils are like the EMT of your blood; they’re a type of immune cell that are among the first to arrive at the site of an infection. And basophils are a type of immune cell that has small particles with enzymes that are released during allergic reactions and asthma.

Comprehensive Metabolic Panel (CMP)

The word "metabolism" makes people think of one thing: the number on the scale (and maybe dozens of diet books with the words “mega” or “blast” shouting in all caps), but this group of tests provides a much broader picture of the body’s chemical balance and metabolism. First, to clarify, “metabolism” refers to all the physical and chemical processes in the body that convert or use energy (breathing, controlling body temp, etc.). The CMP also provides information about the body’s electrolytes, which are minerals in your blood that affect the amount of water in your body, the acidity of your blood, and muscle function. Common electrolytes tested for the CMP include calcium, chloride, magnesium, phosphorous, potassium, and sodium.

In addition, the CMP often measures substances and chemicals such as bilirubin, albumin, and creatinine. Bilirubin is formed when hemoglobin breaks down. It’s found in bile and blood, and too much of it could indicate jaundice. Albumin, the main protein in blood plasma, is the clear, yellowish fluid part of the blood that carries blood cells. Low levels of albumin can indicate malnutrition, inflammation, and liver and kidney diseases. Last but not least, creatinine is a chemical waste product of creatine, which is used to supply energy to muscles. Since it can assist in crushing your weight lifting routine, creatine is a (hey, we all want ), but creatinine is removed from the body by the kidneys, so elevated levels could indicate poor kidney function.

Why So Hangry?

Another part of the CMP is often the fasting glucose test, which requires that you don’t eat for at least eight hours beforehand. Glucose is the body’s main source of energy; it’s a simple sugar the body manufactures from carbohydrates, so that stack o’ could affect the test’s outcome. (Tip: Schedule your bloodwork for first thing in the morning if you can to avoid moments of hunger rage, which is a .) Abnormal levels of glucose can be a sign of diabetes.

Blood Test Results

Lipid Panel

At Greatist, we’re not cool with body-negative “,” but talking about your lipids (a.k.a. fat in the body) in your blood work is totally fair game. And just like the fat on your plate, . Lipids are broken down and used for energy. The is a collection of tests that measures two types of fat in the blood— and . Triglycerides are one of the major forms of fat produced in the liver. If you’re wondering what affects triglyceride levels, line up the usual dietary suspects: sugar, fat, and alcohol. But triglyceride levels can also be high because of thyroid or liver disease and genetic conditions. High levels of triglycerides are related to a higher risk of heart and blood vessel disease.

There are two types of cholesterol, . HDL stands for high-density lipoprotein, which is a fat that takes extra cholesterol from the blood to the liver for removal. It’s often referred to as the "" cholesterol, as high levels of HDL cholesterol are desirable and linked to a lower risk of cardiovascular disease. LDL stands for low-density lipoprotein, which is a fat that transports cholesterol to parts of the body in need of cell repair. But it also deposits the fat on the inside of artery walls, so it’s often called the "" cholesterol. High levels of LDL cholesterol are linked to an increased risk of heart and blood vessel disease, including coronary artery disease. Maintaining a healthy number of triglycerides and the right balance between good and bad cholesterol are essential for a heart-healthy lifestyle.

The Takeaway

Often your blood work results are sent to you in the mail, and unless your doctor is concerned about particular results that fall out of range, the report will likely be accompanied by a pro-forma letter that says, in effect, “” Sure you can accept this at face-value. But being an informed patient is an important part of developing a strong doctor-patient relationship. With your newly acquired understanding of many of the terms and objectives of your blood test, you can become a more active participant in your health care and a better custodian of your body.






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Date: 08.12.2018, 02:39 / Views: 43144