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Profile of the cardiovascular system

Known as: Heart and Vascular Studies
SKU: 1638

Original price was: ₾239.00.Current price is: ₾201.00.

Research material: blood
Response time (working day): 1
The test is done on an empty stomach: Yes
Home call service: Yes
Country: Georgia

General Information

 

Cardiovascular system profile includes 11 studies:

 

creatine kinase

Potassium K

High sensitivity C reactive protein

lactate dehydrogenase

Sodium Na

Triglycerides

Total cholesterol

high density lipoproteins

low density lipoproteins 

Very low density lipoproteins

Atherogenicity index

 

creatine kinase (CK)

Or creatine phosphokinase (CRK) is an enzyme that is actively involved in the energy processes of the cell.

Creatine kinase is found in high concentrations in the myocardium and skeletal muscle and in much lower concentrations in the brain. CK has a dimeric structure and is presented in 4 forms: mitochondrial isoenzyme and 3 fractions of cytosolic isoenzymes: CK-MM (muscular), CK-MB (myocardial), CK-BB (cerebral).

In healthy people, total creatine kinase levels are almost entirely represented by the isoenzyme MM (muscle creatine kinase).

When should we take a test for creatinine kinase?

Determination of creatinine kinase is recommended in all cases of muscle tissue breakdown. Of particular importance is the MB fraction, which is strictly specific to the heart muscle and is positive for all types of heart damage.

The most common cases when research is conducted are:

  • Muscular dystrophies;
  • Myocardial infarction;
  • Trauma;
  • Intoxication;
  • Malignant hyperthermia.

How to prepare for the test?

It is preferable to do the test on an empty stomach.

Prior to the test, the patient should avoid strenuous physical activity.

Research material

Venous blood

Creatine kinase concentration increases:

  • Acute myocardial infarction (4-6 hours after onset);
  • Severe myocarditis;
  • After open heart surgery and electrical defibrillation;
  • Duchenne muscular dystrophy, polymyositis / dermatomyositis, muscle trauma;
  • Rhabdomyolysis during cocaine poisoning;
  • Myalgia-eosinophilia syndrome;
  • Malignant hyperthermia;
  • Convulsions;
  • Ischemia;
  • Subarachnoid hemorrhage;
  • Ray Syndrome.

Decreased creatine kinase concentration:

It usually reflects a decrease in muscle mass associated with metastatic tumors, corticosteroid therapy, alcoholic liver disease, and collagenosis.

 

 

Potassium (K) 

Is the main electrolyte (cation) and an important component of the intracellular buffer system. 90% of potassium is concentrated inside the cell and only a small amount is present in the extracellular space. The vast majority of potassium (90%) is in ionic form, the rest is associated with proteins.

Potassium plays an important role in physiological processes of muscle contraction, functional activity of the heart, conduction of nerve impulses, enzymatic processes, metabolism, maintenance of acid-base balance, osmotic pressure, protein anabolism and glycogen formation. Anabolic processes are accompanied by K+ fixation in the cell, and catabolic processes are accompanied by its release.

When should we take the test?

Potassium is one of the important indicators of water-electrolyte and acid-base balance.

  • Disorders of renal function;
  • Pathology of the cardiovascular system;
  • Adrenal insufficiency;
  • When prescribing diuretics, cardiac glycosides to control potassium in the blood.

Potassium concentration increases:

  • Decreased excretion of potassium by the kidneys: acute renal failure, chronic renal failure, oliguria, anuria;
  • Diseases associated with cell damage: hemolysis of erythrocytes, disseminated intravascular coagulation syndrome, burns, severe muscle damage, rhabdomyolysis, tissue hypoxia, tumor lysis syndrome;
  • Massive parenteral administration of potassium;
  • Severe metabolic acidosis and shock;
  • Dehydration;
  • Chronic adrenal insufficiency (hypoaldosteronism);
  • Diabetic coma prior to insulin therapy, decompensated diabetes mellitus;
  • Pseudohypoaldosteronism;
  • Thrombocytosis in some chronic myeloproliferative syndromes;
  • Intake of potassium-sparing diuretics.

Potassium concentration decreases:

  • Decreased K + excretion and metabolic acidosis or alkalosis (extrarenal K + loss): diarrhea, vomiting, fistulas, laxatives, profuse sweating, severe burns;
  • Decreased K + excretion without metabolic acidosis or alkalosis: parenteral therapy without potassium supplementation, fasting, anorexia, malabsorption, chronic alcoholism, treatment of anemia with iron, vitamin B12 or folic acid;
  • Increased K + excretion and metabolic acidosis: renal tubular, diabetic or alcoholic ketoacidosis;
  • Increased excretion of K + and normal pH level (usually of renal origin): healing process of obstructive nephropathy, hypomagnesemia, periodic hypokalemic paralysis, monocytic leukemia;
  • Congenital hyperplasia of the adrenal gland (associated with metabolic alkalosis);
  • Infectious mononucleosis;
  • Intense physical activity;
  • Glucose injections associated with increased insulin levels;
  • Stress;
  • decrease in body temperature

 

lactate dehydrogenase (LDH)

Is an intracellular enzyme that is important for the production of energy in almost every cell in the body.

The highest concentrations of LDH are found in the heart, liver, muscles, kidneys, and lungs.

The test determines the concentration of LDH in the blood and in some body fluids. Only small amounts of LDH may be detected in the blood because the enzyme is secreted into the bloodstream during cell damage and death. Thus, serum lactate dehydrogenase is a nonspecific marker of tissue damage in the body.

Although the increase in LDH is nonspecific, this test is useful for confirming the diagnostics of myocardial infarction or pulmonary infarction. During myocardial infarction, elevated levels of LDH persist longer than those of other enzymes.

Determining LDH alone can not help us determine the exact cause of the injury, so its test is always combined with other tests.

Determination of blood lactate dehydrogenase:

  • Detecting tissue damage in the body;
  • Diagnosis and follow-up of hemolytic or megaloblastic anemias;
  • Monitoring and prognosis of some cancers, such as lymphoma, leukemia, melanoma, and germ cell tumors.

Determination of tissue lactate dehydrogenase:

  • Determination of LDH in cerebrospinal fluid - to distinguish between bacterial and viral meningitis;
  • Determination of LDH in pleural, pericardial, and peritoneal fluids to differentiate exudate from transudate. Exudate occurs during inflammation or tissue damage, while transudate formation is caused by intravascular pressure and an increase in protein in the blood.

How to prepare for the test?

The test should be performed on an empty stomach.

Research material

Venous blood

LDH concentration increases:

  • In myocardial infarction, the level of LDH increases 36-55 hours after the onset of the process and its elevated level is maintained for 3-10 days;
  • An increase in LDH during pulmonary infarction is observed within 24 hours of the onset of chest pain.

Other conditions associated with elevated LDH levels:

  • Congestive heart failure;
  • Liver disease (cirrhosis, alcoholism, acute viral hepatitis);
  • Tumors - leukemia, lymphoma;
  • Hypothyroidism;
  • Muscle disorders (dystrophies, trauma);
  • Megaloblastic and hemolytic anemias;
  • Shock;
  • Hypoxia;
  • Hypotension;
  • Hyperthermia;
  • Renal infarction;
  • Acute pancreatitis;
  • Fractures;
  • Intestinal obstruction;
  • Infectious mononucleosis.

LDH concentration decreases:

Adequate response to cytostatic therapy.

Sodium is one of the important indicators of water-electrolyte and acid-base balance.

  • Assessing the condition when selecting treatment tactics for dehydration and monitoring the condition of patients on infusion therapy;
  • Patients with impaired consciousness, behavior, and signs of CNS excessive excitability;
  • Pathological conditions accompanied by edema;
  • Conditions associated with deficiency or excess of mineralocorticoids;
  • Pathology of the cardiovascular system;
  • Renal dysfunction

 

sodium (Na+)

Is the main cation of the extracellular space, found in all body fluids (blood plasma, gastric, pancreatic juice, bile, intestinal juice, sweat, cerebrospinal fluid, etc.) in ionized state. Relatively large amounts of sodium are found in cartilage and slightly less in bones and make up 15-30% of the total amount of sodium in the body.

Sodium is one of the important indicators of water-electrolyte and acid-base balance.

  • Assessing the condition when selecting treatment tactics for dehydration and monitoring the condition of patients on infusion therapy;
  • Patients with impaired consciousness, behavior, and signs of CNS excessive excitability;
  • Pathological conditions accompanied by edema;
  • Conditions associated with deficiency or excess of mineralocorticoids;
  • Pathology of the cardiovascular system;
  • Impaired renal function.

Increase in sodium concentration:

  • Hypertensive dehydration syndrome (increased sweating, diarrhea, vomiting, overdose of diuretics, fever, prolonged shortness of breath);
  • Insufficient water intake;
  • Excessive intake of sodium salts;
  • Impaired renal sodium excretion (nephrogenic diabetes mellitus, primary and secondary hyperaldosteronism, Itzenko-Cushing syndrome);
  • Certain medications (ACTH, anabolic steroids, androgens, corticosteroids, estrogens, methyldopa, oral contraceptives, sodium bicarbonate).

Reduction of sodium concentration:

1. Reduction of extracellular fluid volume and total sodium:

  • Diuretics;
  • Loss of salt;
  • Addison's disease;
  • Glucocorticoid deficiency;
  • Osmotic diuresis (diabetes mellitus, condition after urinary tract obstruction);
  • Renal tubular acidosis, metabolic alkalosis;
  • Extrarenal loss of Na + and water (pancreatitis, peritonitis, intestinal obstruction, heartburn, severe diarrhea, vomiting, sweating);
  • Is ketonic.

2. Moderately elevated extracellular fluid volume and normal total sodium levels:

  • Syndrome of inadequate secretion of antidiuretic hormone;
  • Hypothyroidism;
  • Psychogenic polydipsia;
  • Pain, stress, emotions;
  • Postoperative conditions (5% of patients);
  • Medications

3. Increased extracellular fluid volume and increased total sodium levels. (Edema-related diseases):

  • Congestive heart failure;
  • Nephrotic syndrome, renal failure;
  • cirrhosis of the liver;
  • Cachexia;
  • Hypoproteinemia

 

Triglycerides

Plasma lipids are mainly represented by fatty acids, triglycerides, cholesterol and phospholipids.

Triglycerides are lipids that are absorbed by the body through food, synthesized in the liver, intestines and adipose tissue and circulated as part of protein complexes - lipoproteins. Triglycerides are the most important reserves among the body's energy reserves, essential lipids for body fat and food, a key source of energy for cells, and an essential component of cell membranes.

Triglycerides accumulate in adipocytes, break down by hydrolysis to glycerol and fatty acids, and are excreted into the circulatory system.

In adipose tissue, they are deposited in the form of glycerol, fatty acids, and monoglycerides, which are subsequently converted in the liver to triglycerides, which are composed of VLDL (80%) (very low-density lipoprotein) and LDL (15%) (low-density lipoprotein).

When should we take the test?

  • Assess the risk of developing atherosclerosis (along with cholesterol and its fractions);
  • Myocardial infarction;
  • Acute pancreatitis;
  • Gout;
  • Hereditary disorders of lipid metabolism.

Elevated triglyceride levels: 

  • Hereditary hyperlipidemia (types I, II-B, III, IV, V, apo C-II deficiency) and secondary hyperlipidemia;
  • Gout;
  • Pancreatitis;
  • Liver disease, alcoholism;
  • Nephrotic syndrome;
  • Kidney disease;
  • Hypothyroidism, diabetes mellitus;
  • Glycogenosis (Von Gierke disease);
  • Down syndrome;
  • Anorexia nervosa;
  • Fatty food intake and alcohol consumption (transient increase);
  • Pregnancy;
  • Obesity;
  • Lack of physical activity;
  • smoke.

Reduced triglyceride levels:

  • Abetalipoproteinemia;
  • Malnutrition, malabsorption;
  • Hyperthyroidism, hyperparathyroidism;
  • COPD (chronic obstructive pulmonary disease);
  • Physical activity (transient reduction);
  • Nutrition changes;
  • Weight loss (permanent loss).

How to prepare for the test?

  • Follow an unchanged diet for 3 weeks before testing;
  • Maintain a constant weight;
  • Do not eat for 12-14 hours before testing. You can only get water and black coffee without sugar;
  • Do not drink alcohol for 72 hours before testing;

 

Cholesterol

Is a fat-like substance found in every cell of the body. It is found in blood and body tissues in free and esterified form. Free cholesterol is a component of plasma cell membranes, as well as mitochondria and endoplasmic reticulum membranes, and is a precursor to sex hormones, corticosteroids, bile acids, and vitamin D. Up to 80% of cholesterol is synthesized in the liver, while the rest enters the body through products of animal origin (fatty meat, butter, eggs). Cholesterol is insoluble in water, it is transported between tissues and organs through lipoprotein complexes. Distinguish between cholesterol fractions: low-density lipoprotein (LDL) and high-density lipoprotein (HDL), which differ in composition and function.

Estrogens lower and androgens increase total cholesterol. Cholesterol buildup is one of the major risk factors for developing cardiovascular disease (atherosclerosis and coronary heart disease). Adults have a higher risk of developing coronary artery disease when their blood cholesterol levels are above 5,22 mmol / L.

A total cholesterol test is always advisable in conjunction with the determination of triglycerides, HDL and LDL cholesterol.

When should we take the test?

Determining cholesterol levels gives us an idea of ​​lipid status and metabolic disorders and determines the risk of developing atherosclerosis, coronary stenosis and myocardial infarction.

  • Monitoring of risk factors for coronary heart disease;
  • Screening for primary and secondary dyslipidemia;
  • Monitoring of dyslipidemia therapy

 

HDL 

high-density lipoprotein (so-called "good cholesterol"), Synthesized when it enters the liver and bloodstream, it is mainly composed of apoprotein (a protein on the surface of lipoprotein that regulates lipoprotein metabolism). The main function of HDL is to bind and transport excess cholesterol from extrahepatic (outer liver) tissues to the liver for further excretion into the bile. Along with LDL, HDL is involved in maintaining cellular cholesterol levels. Because of its ability to bind and remove cholesterol, HDL is called an anti-atherogenic factor because it prevents the development of atherosclerosis, hence patients with high levels of HDL have a lower risk of developing atherosclerosis.

When should we take the test?

  • Atherosclerosis and diseases of the cardiovascular system;
  • Liver disease.

The test is prescribed by a doctor.

Elevated HDL levels:

  • Hyper-alpha lipoproteinemia;
  • Hypo-beta lipoproteinemia;
  • Chronic liver disease;
  • Prolonged and intense physical activity;
  • Moderate alcohol consumption;
  • Insulin treatment.

Reduced HDL levels:

  • Hereditary hypo-alpha lipoproteinemia;
  • Apo AI and Apo C-III deficiency;
  • Hypertriglyceridemia
  • Hereditary hypertriglyceridemia;
  • Hepatocellular pathology, cholestasis;
  • Chronic kidney disease, uremia, nephrotic syndrome;
  • Anemias and chronic myeloproliferative diseases;
  • diabetes;
  • Hunger and anorexia;
  • Smoking; V
  • Stress;
  • Acute myocardial infarction, stroke;
  • surgery;
  • Trauma;
  • Obesity.

 

LDL

 Low-density lipoprotein (so-called "bad" cholesterol) - Consists of proteins and lipids, mainly - cholesterol. It contains the most cholesterol (60-70% of total cholesterol in serum) and is mainly produced by the degradation of VLDL (a very low-density lipoprotein), a major transporter of triglycerides.

LDL is involved in the transport of cholesterol to tissues and the arterial system, which explains the increased risk of developing atherosclerosis and coronary heart disease in patients with elevated serum lipoprotein levels. Thus, the determination of LDL is specific for assessing the risk of cardiovascular disease and for making therapeutic decisions;

When should we take the test?

  • Risk assessment for ischemic heart disease;
  • Hyperlipoproteinemia;
  • Atherosclerosis and diseases of the cardiovascular system;
  • Liver disease.

The test is prescribed by a doctor.

 

VLDL (very low density lipoprotein) Synthesized in the liver. Circulating free fatty acids in the liver produce triglycerides that bind to apoproteins and cholesterol and then pass into the bloodstream as VLDL. Their main function is to transport triglycerides synthesized in the liver to fat and muscle cells. They act as Precursors of LDL (low density lipoproteins). LDL Contains 60-70% of total serum cholesterol, formed as a result of the breakdown of VLDL. The major LDL protein is apoprotein B (apo-B). Although the half-life of LDL is longer (3-4 days) than that of its predecessor or VLDL, it is more abundant in circulation than VLDL. LDL cholesterol is involved in the transport of cholesterol to tissues, primarily the arterial system, which explains the high risk of developing atherosclerosis and coronary heart disease in patients with elevated levels of this lipoprotein. Thus, the determination of LDL is a specific test to assess the risk of cardiovascular disease and to determine therapeutic procedures.

When should we test for very low density lipoproteins?

  • Risk assessment for ischemic heart disease;
  • Diagnosis of hyperlipoproteinemia;
  • Atherosclerosis and diseases of the cardiovascular system;
  • Liver disease;
  • In the ages;
  • Obesity;
  • arterial hypertension;
  • diabetes.

VLDL 

Cholesterol screening is mainly done by examining the following parameters: total cholesterol, LDL Cholesterol, HDL Cholesterol and triglycerides.

How to prepare for the test?

Blood sampling is required for analysis (at least 12 hours after the last meal).

Some medications can affect test results, so it is important to consult your doctor and get detailed instructions to prepare for the test.

Research material

Venous blood

 

Atherogenic index (coefficient)

Reflects the ratio of atherogenic lipoproteins (LDL) to the content of antiatherogenic lipoproteins (HDL) in the blood plasma, or more accurately reflects the favorable and unfavorable combination of lipoproteins in terms of the risk of coronary artery disease.

The Plasma Atherogenic Index (AIP) is a strong marker for predicting the risk of atherosclerosis and coronary heart disease.

AIP is related to the particle size of pre- and anti-atherogenic lipoproteins. It is calculated according to the following formula – log(TG/HDL-C). An AIP value of less than 0.11 has been suggested to be associated with a lower risk of cardiovascular disease (CVD); Values ​​between 0.11 and 0.21 and greater than 0.21 are associated with intermediate and increased risks, respectively.

The atherogenic index correlates with other risk factors for CVD. The most important risk factors are dyslipidemia, hypertension, obesity, physical inactivity, poor diet and smoking. Among them, the plasma lipid profile is a major risk factor for CVD.

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