All Heart and Cardiovascular Tests

There are many tests used to measure heart health and function. Take a look at the types of heart and cardiovascular tests to discover heart issues early.

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 The Plasma Renin Activity (PRA) test measures the activity of the enzyme renin in the blood. Renin is produced by the kidneys and plays a pivotal role in the renin-angiotensin-aldosterone system (RAAS), a hormone system that helps regulate blood pressure and fluid balance.
: Plasma-Unspecified Vial Pour

 The Plasminogen Activator Inhibitor-1 (PAI-1) test measures the level of PAI-1 in the blood. PAI-1 is a protein that plays a pivotal role in the body's fibrinolytic system, which is responsible for breaking down clots. Specifically, PAI-1 inhibits tissue plasminogen activator (tPA) and urokinase (uPA), both of which are enzymes that convert plasminogen to plasmin, an enzyme that breaks down fibrin clots. An imbalance in PAI-1 levels can thus affect the body's ability to regulate clot formation and dissolution.
: Plasma-Unspecified Vial Pour

: Plasma-Unspecified Vial Pour

The N-terminal proBNP (NT-proBNP) test is a crucial diagnostic tool used to measure the levels of N-terminal pro-brain natriuretic peptide in the blood. NT-proBNP is released by the heart in response to increased pressure and stretching of the heart muscle. This test plays a significant role in assessing cardiac health and diagnosing various heart-related conditions.
: Plasma-Unspecified Vial Pour
Also Known As: Brain Natriuretic Peptide Test, proBNP test,

 The Proinsulin test measures the amount of proinsulin in the blood. Proinsulin is a precursor molecule to insulin, a hormone produced by the pancreas' beta cells. After its production, proinsulin gets split into two parts: insulin and C-peptide. While insulin aids in glucose uptake by cells, proinsulin itself is typically present in very low levels in the blood.
: Serum

 The Protein Total 24-Hour Urine with Creatinine test is a diagnostic assessment that measures the total amount of protein and creatinine levels in urine collected over a 24-hour period. By analyzing the content of proteins and creatinine in the urine over an entire day, this test provides valuable insight into kidney function and potential abnormalities.
: Urine

: Urine

The Protein Total Random Urine with Creatinine Test measures protein and creatinine levels in a single urine sample to evaluate kidney function. Elevated protein may signal kidney disease, diabetes complications, or hypertension-related damage. Doctors order this test for patients with swelling, high blood pressure, or abnormal lab results. Results help detect proteinuria, assess renal health, and guide treatment or monitoring of chronic kidney conditions.

: Random

: Serum

: Blood

The Prothrombin Time with INR Test measures how long it takes blood to clot and calculates the international normalized ratio (INR) for accuracy. It is commonly used to monitor patients on blood-thinning medications like warfarin and to evaluate bleeding disorders, liver disease, or vitamin K deficiency. Doctors order this test to investigate easy bruising, frequent nosebleeds, or prolonged bleeding and to ensure safe and effective anticoagulant therapy.

: Blood
Also Known As: PT with INR Test

The Renal Function Panel Test measures blood urea nitrogen (BUN), creatinine, sodium, potassium, chloride, carbon dioxide, calcium, phosphorus, albumin, and glucose to evaluate kidney health. Abnormal results may indicate kidney disease, dehydration, or metabolic imbalance. Doctors use this panel to monitor chronic kidney disease (CKD), assess electrolyte balance, and guide treatment decisions. It provides vital insight into renal function and overall metabolic health.

: Serum
Also Known As: Kidney Panel Test, Kidney Function Panel Test

The Reticulocyte Count Test measures immature red blood cells (reticulocytes) to evaluate bone marrow function and red cell production. High levels may indicate blood loss, hemolytic anemia, or recovery from treatment, while low levels may suggest bone marrow failure, nutritional deficiencies, or chronic disease. Doctors use this test to assess anemia, monitor therapy, or track recovery. Results provide key insight into red blood cell health and overall hematologic function.

: Blood
Also Known As: Retic Count Reticulocyte Percent Test, Reticulocyte Index Test, Corrected Reticulocyte Test, Reticulocyte Production Index Test, RPI Test

The Rheumatoid Factor (RF) Test measures RF antibodies in blood to help diagnose rheumatoid arthritis and other autoimmune conditions. High RF levels may indicate rheumatoid arthritis, Sjögren’s syndrome, or other connective tissue diseases, though they can also appear in some infections. Doctors order this test to investigate joint pain, stiffness, or swelling. Results provide important insight into autoimmune activity, joint health, and inflammatory disease management.

: Serum
Also Known As: RF Test, Rheumatoid Arthritis Factor Test

 The Rheumatoid Factor IgG IgM IgA Antibodies Test is a diagnostic procedure designed to detect and measure the levels of Rheumatoid Factor (RF) antibodies, specifically the IgG, IgM, and IgA types, in the blood. Rheumatoid factors are proteins produced by the immune system that can attack healthy tissue in the body.

 The Rheumatoid Factor IgA Antibody test is a blood test that measures the level of IgA antibodies targeting rheumatoid factor in the blood. Rheumatoid factor is an autoantibody, which means it's produced by the body's immune system against its own tissues. Elevated levels of rheumatoid factor can indicate autoimmune conditions, particularly rheumatoid arthritis.
: Serum

The Rheumatoid Factor IgG Antibody test is a blood test used to detect the presence of Rheumatoid Factor (RF) antibodies in the blood. Rheumatoid Factor is an autoantibody produced by the immune system that targets healthy tissues, particularly the synovium (lining of joints). The test measures the level of IgG antibodies specifically targeting RF.
: Serum
Also Known As: RF Antibody Test, Rheumatoid Arthritis Factor Antibody Test, RF IgG Test, RF IgG Antibody Test, Rheumatoid Factor IgG Antibody Test

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The Sed Rate Test, also called the ESR Test, measures how quickly red blood cells settle in a sample of blood. A faster rate may signal inflammation caused by infections, autoimmune diseases, arthritis, or other chronic conditions. Doctors use this test to investigate unexplained fever, joint pain, or muscle aches, and to monitor inflammatory disorders such as lupus or rheumatoid arthritis. The Sed Rate Test provides important insight into overall inflammatory activity.

: Blood
Also Known As: Erythrocyte Sedimentation Rate Test, ESR Test, Sedimentation Rate Test, Westergren Sedimentation Rate Test

The Selenium Micronutrient Blood Test measures selenium levels in the blood to assess nutritional status and detect deficiencies or excess. Selenium is a powerful antioxidant that supports thyroid function, immune defense, and protection against oxidative stress. This test helps identify dietary insufficiency, malabsorption, or toxicity, supporting diagnosis and management of overall health and wellness.

Patient must be 18 years of age or older.
: Blood

Most Popular

The Selenium Test measures selenium levels in blood to evaluate nutritional status and overall health. Selenium is essential for thyroid function, antioxidant defense, and immune support. Low levels may cause fatigue, muscle weakness, thyroid problems, or impaired immunity, while high levels may indicate toxicity. Doctors use this test to monitor nutrition, supplementation, or suspected deficiency. Results provide key insight into metabolic health and antioxidant balance.

: Serum

Most Popular
 The Selenium RBC test measures the level of selenium in red blood cells (RBCs). Selenium is an essential trace element that plays a crucial role in various bodily functions, including antioxidant defense, thyroid hormone metabolism, and immune function. The test provides valuable information about the body's selenium status over a more extended period compared to measuring selenium levels in plasma or serum.
: Blood

The Sodium test, also known as a serum sodium test, measures the concentration of sodium in the blood. Sodium is an essential electrolyte in the body, and this test helps assess the balance of sodium levels in the bloodstream. Sodium plays a critical role in maintaining proper fluid balance, nerve function, and muscle contractions.
: Serum
Also Known As: Na Test, Sodium Serum Test

Most Popular

The T4 Total Test measures total thyroxine (T4) in blood, a combination of both bound and unbound (free) T4, to assess thyroid function. Abnormal levels may indicate hypothyroidism, hyperthyroidism, goiter, or pituitary disorders. Doctors use this test to evaluate symptoms like fatigue, weight changes, hair loss, or irregular heart rate and to monitor thyroid replacement or antithyroid therapy. The T4 Total Test provides key insight into metabolic, hormonal, and endocrine health.

Also Known As: Total T4 Test, Total Thyroxine Test, T4 Test, Bound and Unbound T4 Test

: Varied

The Trimethylamine N-Oxide (TMAO) Test measures TMAO levels in blood to assess cardiovascular and metabolic risk. TMAO is produced when gut bacteria metabolize nutrients like choline, carnitine, and betaine from foods such as red meat and eggs. Elevated levels are linked to heart disease, stroke, kidney dysfunction, and metabolic disorders. Doctors order this test to evaluate cardiovascular risk and guide lifestyle, diet, or treatment strategies.

: Serum
Also Known As: Trimethylamine N-Oxide Test

One person dies every 36 seconds in the United States from cardiovascular disease.

That may seem like a shocking statistic, but what's more surprising is that cardiovascular disease is also the leading cause of death in the US.

Thankfully, by utilizing blood testing for cardiovascular diseases, you can learn your risk factors and make changes in your life to help prevent future heart problems.

So, what is cardiovascular disease, and which heart and cardiovascular tests are used to help diagnose it? Keep reading to learn more about this deadly disease and how to prevent it.

What is Heart and Cardiovascular Disease?

Cardiovascular disease is a type of disease that affects the heart muscle or blood vessels. Heart and Cardiovascular Disease refers to several different conditions, such as heart failure, stroke, heart attack, and more. The most common type of cardiovascular disease in the US is Coronary Artery Disease.

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