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Myocardial perfusion imaging (nuclear stress test)

A Myocardial perfusion imaging (nuclear stress test) is a nuclear medicine test of the heart. It shows blood supply to the heart muscle at rest and under stress. Typical effective dose 9 to 12 mSv, similar to about 3 to 4 years of natural background radiation (about 3 mSv a year).

सामान्य स्वास्थ्य जानकारी — यो निदान होइन। आपत्कालमा १०२ मा फोन गर्नुहोस्। सधैं योग्य स्वास्थ्यकर्मीसँग सल्लाह लिनुहोस्।

What it shows

Blood supply to the heart muscle at rest and under stress.

Why it is done

Chest pain, known heart disease.

Preparation

Avoid caffeine for 24 hours; some heart medicines may be paused on your doctor's advice.

Radiation & safety

Typical effective dose 9 to 12 mSv, similar to about 3 to 4 years of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.

How long it takes

3 to 4 hours. General information, not a diagnosis. Results must be interpreted by a qualified health worker.

Sample type

Nuclear medicine

नतिजा व्याख्या गर्न डाक्टरलाई देखाउनुहोस् — एउटै परीक्षणले निदान गर्दैन।

सम्बन्धित अवस्था

entry-health-condition-acs

यो कहाँ गर्न सकिन्छ

तपाईंनजिकको हेरचाह

नजिकका सुविधा देखाउन तपाईंको स्थान एक पटक प्रयोग गर्छ। केही सुरक्षित गरिँदैन।

सामान्य प्रश्न

What does a mpi show?
Blood supply to the heart muscle at rest and under stress.

Why is a mpi done?
Chest pain, known heart disease.

How do I prepare for a mpi?
Avoid caffeine for 24 hours; some heart medicines may be paused on your doctor's advice.

Does a mpi use radiation?
Typical effective dose 9 to 12 mSv, similar to about 3 to 4 years of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.

How long does a mpi take?
3 to 4 hours

Myocardial perfusion imaging (nuclear stress test) किन गरिन्छ?
Chest pain, known heart disease.

Myocardial perfusion imaging (nuclear stress test) का लागि कसरी तयारी गर्ने?
Avoid caffeine for 24 hours; some heart medicines may be paused on your doctor's advice.

Myocardial perfusion imaging (nuclear stress test) गर्भावस्थामा सुरक्षित छ?
Typical effective dose 9 to 12 mSv, similar to about 3 to 4 years of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.

SI text CC BY 4.0; RadiologyInfo.org (ACR/RSNA) and MedlinePlus linked as references only, no text copied.

स्रोत: SI health summary (own words); decoder imaging pack; RadiologyInfo.org and MedlinePlus as references only

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