A Nuclear Cardiology Test (NCT) is a specialized imaging procedure that uses small amounts of radioactive material to assess the health and function of the heart. By evaluating blood flow to the heart muscle, it helps detect abnormalities, including areas of poor blood flow or damage from a heart attack. NCTs are safe, non-invasive, and provide detailed images to aid in the accurate diagnosis and monitoring of various heart conditions.

Why is an NCT Performed?

NCTs provide critical insights into heart function and blood flow. At NIHS Clinic, NCTs are typically performed for these purposes:

Diagnosis of Coronary Artery Disease (CAD):

• Purpose: Detects blockages or narrowing in the coronary arteries, which can reduce blood flow to the heart and cause chest pain.
• Who Needs It: Patients with chest pain, shortness of breath, or risk factors for CAD such as diabetes, hypertension, or a family history of heart disease.
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Evaluation of Blood Flow (Perfusion):

• Purpose: Measures how well blood flows through the heart muscle at rest and during exercise, identifying areas with reduced blood supply.
• Who Needs It: Individuals with known or suspected heart disease, or those experiencing symptoms during physical exertion.
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Assessment of Heart Muscle Viability:

• Purpose: Determines if damaged heart tissue can still benefit from treatments like bypass surgery or angioplasty, especially after a heart attack.
• Who Needs It: Patients with a history of heart attacks or significant heart disease needing treatment planning.
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Evaluation of Heart Function (Ejection Fraction):

• Purpose: Assesses the heart’s pumping efficiency, indicating how much blood is pumped with each heartbeat.
• Who Needs It: Individuals with symptoms of heart failure or those at risk for weakened heart function.
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Types of NCTs Offered at NIHS Clinic:

Myocardial Perfusion Imaging (MPI):

• Purpose: Evaluates blood flow to the heart muscle during rest and stress.
• Uses: Commonly used to diagnose CAD, assess exercise tolerance, and monitor heart function.
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SPECT and PET Scans:

• Purpose: Advanced imaging techniques that create 3D images of the heart, enhancing accuracy in diagnosing coronary blockages.
• Uses: Provide high-resolution views to evaluate blood flow, detect CAD, and determine heart muscle viability.
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Preparation for NCT:

General Preparation:

• Clothing: Wear comfortable, loose-fitting clothes. Patients may be asked to change into a gown for the test.
• Medications: Inform the clinic about any medications you’re taking, as some may need to be paused temporarily.
• Dietary Restrictions: Avoid caffeine, smoking, and eating for several hours before the test, as these can affect blood flow and test accuracy.
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Procedure Details:

Process:

• Injection of Tracer: A small amount of radioactive tracer is injected into the bloodstream, which highlights blood flow in the heart during imaging.
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• Imaging: The patient may undergo two sets of images—at rest and after exercise or stress (using a treadmill or a medication to mimic exercise).
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• Duration: The test usually takes 2-4 hours, as there may be a wait between rest and stress imaging.
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Safety and Risks:

• Safety: NCTs are generally safe, with minimal radiation exposure similar to a standard X-ray. The radioactive tracer used is typically excreted naturally within a few hours.
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• Risks: Rarely, patients may experience mild discomfort or an allergic reaction to the tracer, but these are usually temporary and manageable.
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Post-Procedure:

Recovery:

• Patients can usually resume normal activities immediately after the test, though drinking water can help flush the tracer from the system.
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Results:

• The NCT results are analyzed by a cardiologist who will interpret the imaging and report findings. Your doctor will discuss these results and suggest any additional treatment or lifestyle changes if necessary.
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Benefits:

• Detailed Heart Health Insight: NCT provides a comprehensive view of heart function, helping detect conditions that may not appear on a standard ECG.
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• Non-Invasive Procedure: NCT is non-surgical and minimally invasive, making it a comfortable diagnostic option.
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• Accurate Diagnosis and Treatment Planning: By precisely identifying blood flow issues, NCT aids in personalized treatment plans and risk assessment.
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• Cutting-Edge Technology and Expertise: NIHS Clinic uses advanced nuclear imaging equipment and experienced technicians, ensuring safe and accurate results.
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Trust NIHS Clinic for comprehensive NCT services to guide your heart health management. Contact us to schedule your test and gain peace of mind with accurate, expert-led diagnostics.