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    Blood test information

    Apolipoprotein B Blood Test

    Measures plaque-forming particles in the blood to assess heart disease risk

    Result: 1-2 days Code: 82172
    505.50 

    Description of Blood Analysis: 

    Apolipoprotein B (Apo B) is the essential structural protein found in all potentially harmful cholesterol particles, including Low-Density Lipoprotein (LDL) and Very-Low-Density Lipoprotein (VLDL). Because each of these “bad” particles contains exactly one molecule of Apo B, its concentration in the blood provides a direct and accurate count of the total number of particles capable of invading the arterial wall. In modern diagnostics, Apo B is considered a more reliable predictor of cardiovascular risk than LDL cholesterol alone. It identifies individuals who may have a normal cholesterol volume but a high number of small, dense particles that are highly prone to causing heart attacks and strokes.

     

    What does the analysis represent?

    • Purpose: To measure the total number of atherogenic (plaque-forming) particles circulating in the bloodstream.
    • Primary Application: Advanced cardiovascular risk screening, especially for patients with metabolic syndrome or diabetes, and monitoring the success of lipid-lowering therapy.
    • Method: Immunoturbidimetry of a venous blood sample.

    Recommendations for the Test (General)

    • Timing: Morning collection is required for a standardized baseline.
    • Fasting: A strict 12-hour fasting period is necessary (plain water is allowed).
    • Rest: Avoid physical strain and significant stress for 24 hours prior; rest quietly for 20 minutes before the blood draw.
    • Specific Rules: Postpone the test for at least 6 weeks after a major illness, surgery, or injury, as these events can cause temporary fluctuations in lipid protein levels.

    What can affect the results?

    • Factors altering levels: Diets high in saturated fats, smoking, and untreated hypothyroidism can significantly raise Apo B levels. Conversely, certain medications and chronic liver diseases may lower them.

    When to take the test?

    • Recommendations: This analysis is highly recommended for patients with a family history of early heart disease, those with high blood pressure, or individuals whose standard lipid tests do not fully explain their cardiovascular risk.
    • Preparation: Maintain a stable, habitual diet for two weeks before the test to ensure the results reflect your true metabolic baseline.

    How to interpret the results?

    The interpretation of laboratory data is the exclusive responsibility of a qualified physician. A high Apo B level indicates an increased burden of plaque-forming particles in the blood. Your doctor will analyze this result in the context of your overall health, including age, blood pressure, and smoking status. Only a professional medical review can determine the appropriate clinical targets and whether medical therapy is required to lower the particle count.

     

    Possible further investigations

    • Apolipoprotein A1 (Apo A1) Test: To calculate the Apo B / Apo A1 ratio for precise cardiovascular risk forecasting.
    • Glycated Hemoglobin (HbA1c): To assess how blood sugar levels may be impacting vascular health.
    • Stress Test or Imaging: To evaluate the functional state of the heart and arteries if risks are high.
    • Specialist Consultation: Referral to a cardiologist for a targeted prevention plan.

    When does the next step make sense?

    If Apo B levels are elevated, the physician reviews the results to refine treatment strategies. Decisions on lifestyle modifications or the initiation of medication are made strictly on an individual basis to ensure optimal vascular health.

    👉 If necessary, you can discuss the analysis results with a specialist such as an cardiologist (Doctors – TAMC).

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      Tel Aviv Medical Clinic

      Weizman st. 14, Tel Aviv, Israel

      972-7337-46844

      972-5233-73108

      [email protected]

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